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2001 INFINITI Q45 FY33 Series Service Manual PDF DOWNLOAD
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2001 INFINITI Q45 FY33 Series Service Manual PDF DOWNLOAD
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2001 INFINITI Q45 FY33 Series Service Manual PDF DOWNLOAD
Language : English
Pages : 2186
Downloadable : Yes
File Type : PDF
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2001 INFINITI Q45 FY33 Series Service Manual PDF DOWNLOAD
fwd............................................................................................................................................................... 1 QUICK REFERENCE INDEX......................................................................................................................................... 1 FOREWORD...................................................................................................................................................... 2 GI - General Information...................................................................................................................................... 0 MA - Maintenance.............................................................................................................................................. 0 EM - Engine Mechanical........................................................................................................................................ 0 LC - Engine Lubrication & Cooling Systems..................................................................................................................... 0 EC - Engine Control System.................................................................................................................................... 0 FE - Accelerator Control, Fuel & Exhaust Systems.............................................................................................................. 0 AT - Automatic Transmission................................................................................................................................... 0 PD - Propeller Shaft & Differential Carrier................................................................................................................... 0 FA - Front Axle & Front Suspension............................................................................................................................ 0 RA - Rear Axle & Rear Suspension.............................................................................................................................. 0 BR - Brake system............................................................................................................................................. 0 ST - Steerring System......................................................................................................................................... 0 RS - Restraint System......................................................................................................................................... 0 BT - Body & Trim.............................................................................................................................................. 0 HA - Heater & Air Conditioner................................................................................................................................. 0 EL - Electrical System........................................................................................................................................ 0 IDX - Alphabetical Index...................................................................................................................................... 1 SUPER MULTIPLE JUNCTION (SMJ)................................................................................................................................. 0 FUSE BLOCK - JUNCTION BOX (J/B)............................................................................................................................... 4 FUSE AND FUSIBLE LINK BOX..................................................................................................................................... 5 ELECTRICAL UNITS.............................................................................................................................................. 6 JOINT CONNECTOR (J/C)......................................................................................................................................... 7 QUICK REFERENCE CHART......................................................................................................................................... 8 Comment Sheet................................................................................................................................................. 3 Inch to Metric Conversion Table............................................................................................................................... 4 GST Mode 6 - Test Value & Test Limit Chart.................................................................................................................... 5 at................................................................................................................................................................ 6 QUICK REFERENCE INDEX......................................................................................................................................... 0 Table of Contents............................................................................................................................................. 6 DIAGNOSTIC TROUBLE CODE INDEX................................................................................................................................. 8 Alphabetical & P No. Index for DTC........................................................................................................................ 8 PRECAUTIONS AND PREPARATION................................................................................................................................... 9 Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"............................................................... 9 Precautions for On Board Diagnostic (OBD) System of A/T and Engine........................................................................................ 9 Precautions............................................................................................................................................... 10 Service Notice or Precautions............................................................................................................................. 11 Special Service Tools..................................................................................................................................... 13 OVERALL SYSTEM................................................................................................................................................ 15 A/T Electrical Parts Location............................................................................................................................. 15 Circuit Diagram........................................................................................................................................... 16 Wiring Diagram............................................................................................................................................ 17 Cross-sectional View...................................................................................................................................... 23 Hydraulic Control Circuits................................................................................................................................ 24 Shift Mechanism........................................................................................................................................... 25 Control System............................................................................................................................................ 34 Control Mechanism......................................................................................................................................... 36 Control Valve............................................................................................................................................. 41 ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION........................................................................................................................ 43 Introduction.............................................................................................................................................. 43 OBD-II Function for A/T System............................................................................................................................ 43 One or Two Trip Detection Logic of OBD-II................................................................................................................. 43 OBD-II Diagnostic Trouble Code (DTC)...................................................................................................................... 43 Malfunction Indicator Lamp (MIL).......................................................................................................................... 47 CONSULT-II................................................................................................................................................ 47 Diagnostic Procedure without CONSULT-II................................................................................................................... 54 TROUBLE DIAGNOSIS - Introduction.............................................................................................................................. 59 Introduction.............................................................................................................................................. 59 Diagnostic Worksheet...................................................................................................................................... 60 Work Flow................................................................................................................................................. 63 TROUBLE DIAGNOSIS - Basic Inspection.......................................................................................................................... 64 A/T Fluid Check........................................................................................................................................... 64 Stall Test................................................................................................................................................ 64 Line Pressure Test........................................................................................................................................ 67 Road Test................................................................................................................................................. 69 TROUBLE DIAGNOSIS - General Description....................................................................................................................... 79 Symptom Chart............................................................................................................................................. 79 TCM Terminals and Reference Value......................................................................................................................... 82 TROUBLE DIAGNOSIS FOR DTC P0705............................................................................................................................... 86 Park/Neutral Position (PNP) Switch........................................................................................................................ 86 TROUBLE DIAGNOSIS FOR DTC P0710............................................................................................................................... 90 A/T Fluid Temperature Sensor.............................................................................................................................. 90 TROUBLE DIAGNOSIS FOR DTC P0720............................................................................................................................... 94 Vehicle Speed Sensor・A/T (Revolution sensor).............................................................................................................. 94 TROUBLE DIAGNOSIS FOR DTC P0725............................................................................................................................... 97 Engine Speed Signal....................................................................................................................................... 97 TROUBLE DIAGNOSIS FOR DTC P0731............................................................................................................................... 100 A/T 1st Gear Function..................................................................................................................................... 100 TROUBLE DIAGNOSIS FOR DTC P0732............................................................................................................................... 105 A/T 2nd Gear Function..................................................................................................................................... 105 TROUBLE DIAGNOSIS FOR DTC P0733............................................................................................................................... 109 A/T 3rd Gear Function..................................................................................................................................... 109 TROUBLE DIAGNOSIS FOR DTC P0734............................................................................................................................... 113 A/T 4th Gear Function..................................................................................................................................... 113 TROUBLE DIAGNOSIS FOR DTC P0740............................................................................................................................... 119 Torque Converter Clutch Solenoid Valve.................................................................................................................... 119 TROUBLE DIAGNOSIS FOR DTC P0744............................................................................................................................... 123 A/T TCC S/V Function (Lock-up)............................................................................................................................ 123 TROUBLE DIAGNOSIS FOR DTC P0745............................................................................................................................... 130 Line Pressure Solenoid Valve.............................................................................................................................. 130 TROUBLE DIAGNOSIS FOR DTC P0750............................................................................................................................... 134 Shift Solenoid Valve A.................................................................................................................................... 134 TROUBLE DIAGNOSIS FOR DTC P0755............................................................................................................................... 138 Shift Solenoid Valve B.................................................................................................................................... 138 TROUBLE DIAGNOSIS FOR DTC P1705............................................................................................................................... 142 Throttle Position Sensor.................................................................................................................................. 142 TROUBLE DIAGNOSIS FOR DTC P1760............................................................................................................................... 148 Overrun Clutch Solenoid Valve............................................................................................................................. 148 TROUBLE DIAGNOSIS FOR BATT/FLUID TEMP SEN..................................................................................................................... 152 A/T Fluid Temperature Sensor Circuit and TCM Power Source................................................................................................. 152 TROUBLE DIAGNOSIS FOR VHCL SPEED SEN・MTR...................................................................................................................... 156 Vehicle Speed Sensor・MTR.................................................................................................................................. 156 TROUBLE DIAGNOSIS FOR TURBINE REV............................................................................................................................. 159 Turbine Revolution Sensor................................................................................................................................. 159 TROUBLE DIAGNOSIS FOR A/T COMM LINE........................................................................................................................... 162 A/T Communication Line.................................................................................................................................... 162 CONTROL UNIT (RAM), CONTROL UNIT (ROM)........................................................................................................................ 165 TCM (Transmission Control Module)......................................................................................................................... 165 TROUBLE DIAGNOSES FOR SYMPTOMS................................................................................................................................ 167 1. O/D OFF Indicator Lamp Does Not Come On................................................................................................................ 167 2. Engine Cannot Be Started In "P" and "N" Position....................................................................................................... 168 3. In "P" Position, Vehicle Moves Forward Or Backward When Pushed......................................................................................... 168 4. In "N" Position, Vehicle Moves......................................................................................................................... 169 5. Large Shock. "N" -> "R" Position....................................................................................................................... 170 6. Vehicle Does Not Creep Backward In "R" Position........................................................................................................ 171 7. Vehicle Does Not Creep Forward In "D", "2" Or "1" Position............................................................................................. 172 8. Vehicle Cannot Be Started From D1...................................................................................................................... 173 9. A/T Does Not Shift: D1 -> D2 Or Does Not Kickdown: D4 -> D2............................................................................................ 174 10. A/T Does Not Shift: D2 -> D3.......................................................................................................................... 175 11. A/T Does Not Shift: D3 -> D4.......................................................................................................................... 176 12. A/T Does Not Perform Lock-up.......................................................................................................................... 177 13. A/T Does Not Hold Lock-up Condition................................................................................................................... 178 14. Lock-up Is Not Released............................................................................................................................... 178 15. Engine Speed Does Not Return To Idle (Light Braking D4 -> D3)......................................................................................... 179 16. Vehicle Does Not Start From D1........................................................................................................................ 180 17. A/T Does Not Shift: D4 -> D3, When Overdrive Control Switch "ON" -> "OFF"............................................................................. 180 18. A/T Does Not Shift: D3 -> 22, When Selector Lever "D" -> "2" Position................................................................................. 181 19. A/T Does Not Shift: 22 -> 11, When Selector Lever "2" -> "1" Position................................................................................. 181 20. Vehicle Does Not Decelerate By Engine Brake........................................................................................................... 182 21. TCM Self-diagnosis Does Not Activate (Park/Neutral Position, Overdrive Control and Throttle Position Switch Circuit Checks)........................... 182 TROUBLE DIAGNOSES - A/T Shift Lock System..................................................................................................................... 188 A/T Shift Lock System..................................................................................................................................... 188 Wiring Diagram............................................................................................................................................ 189 Diagnostic Procedure 1.................................................................................................................................... 190 Diagnostic Procedure 2.................................................................................................................................... 194 Shift Lock Control Unit Inspection........................................................................................................................ 197 Shift Lock Control Unit Inspection Table.................................................................................................................. 197 Component Check........................................................................................................................................... 198 ON-VEHICLE SERVICE............................................................................................................................................ 200 Control Valve Assembly and Accumulators................................................................................................................... 200 Turbine Revolution Sensor Replacement..................................................................................................................... 200 Revolution Sensor Replacement............................................................................................................................. 201 Rear Oil Seal Replacement................................................................................................................................. 201 Parking Pawl Components Inspection........................................................................................................................ 201 Park/Neutral Position (PNP) Switch Adjustment............................................................................................................. 202 Manual Control Linkage Adjustment......................................................................................................................... 202 REMOVAL AND INSTALLATION...................................................................................................................................... 203 Removal................................................................................................................................................... 203 Installation.............................................................................................................................................. 204 MAJOR OVERHAUL................................................................................................................................................ 206 Oil Channel............................................................................................................................................... 208 Locations of Needle Bearings, Thrust Washers and Snap Rings............................................................................................... 209 DISASSEMBLY................................................................................................................................................... 210 REPAIR FOR COMPONENT PARTS.................................................................................................................................... 222 Oil Pump.................................................................................................................................................. 222 Control Valve Assembly.................................................................................................................................... 226 Control Valve Upper Body.................................................................................................................................. 232 Control Valve Lower Body.................................................................................................................................. 237 Reverse Clutch............................................................................................................................................ 239 High Clutch............................................................................................................................................... 243 Forward and Overrun Clutches.............................................................................................................................. 245 Low & Reverse Brake....................................................................................................................................... 249 Forward Clutch Drum Assembly.............................................................................................................................. 253 Rear Internal Gear and Forward Clutch Hub................................................................................................................. 255 Band Servo Piston Assembly................................................................................................................................ 257 Parking Pawl Components................................................................................................................................... 261 ASSEMBLY...................................................................................................................................................... 263 Assembly (1).............................................................................................................................................. 263 Adjustment................................................................................................................................................ 271 Assembly (2).............................................................................................................................................. 273 SERVICE DATA AND SPECIFICATIONS (SDS)......................................................................................................................... 281 General Specifications.................................................................................................................................... 281 Specifications and Adjustment............................................................................................................................. 281 Shift Solenoid Valves..................................................................................................................................... 285 Solenoid Valves........................................................................................................................................... 285 A/T Fluid Temperature Sensor.............................................................................................................................. 285 Turbine Revolution Sensor................................................................................................................................. 285 Revolution Sensor......................................................................................................................................... 285 Dropping Resistor......................................................................................................................................... 285 SUPER MULTIPLE JUNCTION (SMJ)................................................................................................................................. 0 FUSE BLOCK - JUNCTION BOX (J/B)............................................................................................................................... 4 FUSE AND FUSIBLE LINK BOX..................................................................................................................................... 5 ELECTRICAL UNITS.............................................................................................................................................. 6 JOINT CONNECTOR (J/C)......................................................................................................................................... 7 br................................................................................................................................................................ 286 QUICK REFERENCE INDEX......................................................................................................................................... 0 Table of Contents............................................................................................................................................. 286 PRECAUTIONS AND PREPARATION................................................................................................................................... 288 Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"............................................................................... 288 Precautions for Brake System.............................................................................................................................. 288 Commercial Service Tools.................................................................................................................................. 289 NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING.......................................................................................................... 290 NVH Troubleshooting Chart................................................................................................................................. 290 ON-VEHICLE SERVICE............................................................................................................................................ 291 Checking Brake Fluid Level................................................................................................................................ 291 Checking Brake Line....................................................................................................................................... 291 Changing Brake Fluid...................................................................................................................................... 291 Brake Burnishing Procedure................................................................................................................................ 291 Bleeding Brake System..................................................................................................................................... 292 BRAKE HYDRAULIC LINE.......................................................................................................................................... 293 Removal................................................................................................................................................... 293 Inspection................................................................................................................................................ 293 Installation.............................................................................................................................................. 293 CONTROL VALVE................................................................................................................................................. 294 Proportioning Valve....................................................................................................................................... 294 BRAKE PEDAL AND BRACKET....................................................................................................................................... 295 Removal and Installation.................................................................................................................................. 295 Inspection................................................................................................................................................ 295 Adjustment................................................................................................................................................ 295 MASTER CYLINDER............................................................................................................................................... 297 Removal................................................................................................................................................... 297 Disassembly............................................................................................................................................... 297 Inspection................................................................................................................................................ 298 Assembly.................................................................................................................................................. 298 Installation.............................................................................................................................................. 299 BRAKE BOOSTER................................................................................................................................................. 300 On-vehicle Service........................................................................................................................................ 300 Removal................................................................................................................................................... 300 Inspection................................................................................................................................................ 300 Installation.............................................................................................................................................. 300 VACUUM HOSE................................................................................................................................................... 302 Removal and Installation.................................................................................................................................. 302 Inspection................................................................................................................................................ 302 FRONT DISC BRAKE.............................................................................................................................................. 303 Pad Replacement........................................................................................................................................... 303 Components................................................................................................................................................ 304 Removal................................................................................................................................................... 304 Disassembly............................................................................................................................................... 305 Inspection - Caliper...................................................................................................................................... 305 Inspection - Rotor........................................................................................................................................ 305 Assembly.................................................................................................................................................. 306 Installation.............................................................................................................................................. 306 REAR DISC BRAKE............................................................................................................................................... 307 Pad Replacement........................................................................................................................................... 307 Components................................................................................................................................................ 308 Removal................................................................................................................................................... 308 Disassembly............................................................................................................................................... 309 Inspection - Caliper...................................................................................................................................... 309 Inspection - Rotor........................................................................................................................................ 309 Assembly.................................................................................................................................................. 310 Installation.............................................................................................................................................. 310 REAR DISC BRAKE - Parking Drum Brake.......................................................................................................................... 311 Removal................................................................................................................................................... 311 Inspection - Drum......................................................................................................................................... 312 Inspection - Lining....................................................................................................................................... 313 Installation.............................................................................................................................................. 313 Shoe Clearance Adjustment................................................................................................................................. 314 Breaking in Drum and Lining............................................................................................................................... 314 PARKING BRAKE CONTROL......................................................................................................................................... 315 Removal and Installation.................................................................................................................................. 315 Inspection................................................................................................................................................ 316 Adjustment................................................................................................................................................ 316 TRACTION CONTROL SYSTEM - TCS -............................................................................................................................... 317 Purpose................................................................................................................................................... 317 System Components......................................................................................................................................... 318 ABS (Anti-lock brake system) Operation.................................................................................................................... 319 ABS Hydraulic Circuit..................................................................................................................................... 319 TCS (Traction Control System) Operation................................................................................................................... 320 Throttle Control + Engine Control TCS System Configuration (Tandem Throttle System)....................................................................... 320 Secondary Throttle Fully-closed Position Self-learning Control............................................................................................ 321 Removal and Installation.................................................................................................................................. 322 TROUBLE DIAGNOSES............................................................................................................................................. 326 How to Perform Trouble Diagnoses for Quick and Accurate Repair............................................................................................ 326 Symptom Chart............................................................................................................................................. 330 Preliminary Check (Check brake fluid level in reservoir tank and brake line for leakage.)................................................................. 333 Component Parts and Harness Connector Location............................................................................................................ 334 Schematic................................................................................................................................................. 335 Wiring Diagram - TCS -.................................................................................................................................... 336 Self-diagnosis for ABS/TCS Control Unit................................................................................................................... 344 CONSULT-II for ABS/TCS Control Unit....................................................................................................................... 347 CONSULT-II Inspection Procedure for ABS/TCS Control Unit.................................................................................................. 348 Self-diagnosis for TAC Module............................................................................................................................. 355 CONSULT-II for TAC Module................................................................................................................................. 357 CONSULT-II Inspection Procedure for TAC Module............................................................................................................ 358 Ground Circuit Check...................................................................................................................................... 364 TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMS................................................................................................................... 365 Diagnostic Procedure 1 (Engine system).................................................................................................................... 365 Diagnostic Procedure 2 (TCM COMM: TAC module communication)............................................................................................... 365 Diagnostic Procedure 3 (Engine speed signal).............................................................................................................. 368 Diagnostic Procedure 4 (LAN SIGNAL 1: LAN monitoring)..................................................................................................... 369 Diagnostic Procedure 5 (LAN SIGNAL 2: LAN communication start procedures incomplete)...................................................................... 370 Diagnostic Procedure 6 (LAN CIRCUIT 1/LAN CIRCUIT 2: LAN communication system failure).................................................................... 371 Diagnostic Procedure 7 (Wheel sensor or rotor)............................................................................................................ 372 Diagnostic Procedure 8 (ABS actuator solenoid valve)...................................................................................................... 374 Diagnostic Procedure 9 (Solenoid valve relay)............................................................................................................. 375 Diagnostic Procedure 10 (Motor relay or motor)............................................................................................................ 378 Diagnostic Procedure 11 (BATTERY VOLT: Low voltage)....................................................................................................... 381 Diagnostic Procedure 12 (Control unit).................................................................................................................... 382 Diagnostic Procedure 13 (Power supply and ground circuit for TAC module).................................................................................. 383 Diagnostic Procedure 14 (THROTTLE POSI SEN: Throttle position sensor signal input circuit)................................................................ 385 Diagnostic Procedure 15 (THROTTLE POSI SEN2: Secondary throttle position sensor signal input circuit)..................................................... 386 Diagnostic Procedure 16 (THRTL POS/S-2 SIG:Secondary throttle valve operating signal circuitand throttle valve opening signal circuit).................... 387 Diagnostic Procedure 17 (THROTTLE ACTUATOR/THROTTLE MOTOR: Throttle motor circuit)........................................................................ 389 Diagnostic Procedure 18 (THROTTLE MOTORRLY [SHORT] (-a)/THROTTLE MOTOR RLY[OPEN] (-b): Throttle motor relay circuit for opencircuit and short circuit).... 390 Diagnostic Procedure 19 (TH P/S PWR SUPPLY: Power supply circuit for sensor).............................................................................. 393 Diagnostic Procedure 20 (THRTL/V RETURN SPR: Secondary throttle return spring)............................................................................ 393 Diagnostic Procedure 21 (ENGINE START SIG: Start signal circuit).......................................................................................... 394 Diagnostic Procedure 22 (NEUTRAL POSI SW: Park/Neutral position (PNP) switch circuit)..................................................................... 395 TROUBLE DIAGNOSES FOR SYMPTOMS................................................................................................................................ 397 Diagnostic Procedure 23 (SLIP indicator does not come on when ignition switch is turned on.).............................................................. 397 Diagnostic Procedure 24 (TCS OFF indicator does not come on when ignition switch is turned on.)........................................................... 398 Diagnostic Procedure 25 (ABS warning lamp does not come on when ignition switch is turned on.)............................................................ 399 Diagnostic Procedure 26 (ABS warning lamp stays on when ignition switch is turned on.).................................................................... 401 Diagnostic Procedure 27 (TCS OFF switch is inoperative.).................................................................................................. 404 Diagnostic Procedure 28 (ABS works frequently.)........................................................................................................... 405 Diagnostic Procedure 29 (Unexpected pedal action)......................................................................................................... 406 Diagnostic Procedure 30 (Long stopping distance).......................................................................................................... 406 Diagnostic Procedure 31 (ABS does not work.).............................................................................................................. 407 Diagnostic Procedure 32 (Pedal vibration and noise)....................................................................................................... 407 Electrical Component Inspection........................................................................................................................... 408 TROUBLE DIAGNOSES FOR TCS..................................................................................................................................... 410 Electrical Component Inspection........................................................................................................................... 410 SERVICE DATA AND SPECIFICATIONS (SDS)......................................................................................................................... 413 General Specifications.................................................................................................................................... 413 Inspection and Adjustment................................................................................................................................. 413 SUPER MULTIPLE JUNCTION (SMJ)................................................................................................................................. 0 FUSE BLOCK - JUNCTION BOX (J/B)............................................................................................................................... 4 FUSE AND FUSIBLE LINK BOX..................................................................................................................................... 5 ELECTRICAL UNITS.............................................................................................................................................. 6 JOINT CONNECTOR (J/C)......................................................................................................................................... 7 bt................................................................................................................................................................ 414 QUICK REFERENCE INDEX......................................................................................................................................... 0 Table of Contents............................................................................................................................................. 414 PRECAUTIONS................................................................................................................................................... 415 Service Notice............................................................................................................................................ 415 Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"............................................................................... 415 PREPARATION................................................................................................................................................... 416 Special Service Tools..................................................................................................................................... 416 Commercial Service Tools.................................................................................................................................. 416 SQUEAK AND RATTLE TROUBLE DIAGNOSES........................................................................................................................... 417 Work Flow................................................................................................................................................. 417 Generic Squeak and Rattle Troubleshooting................................................................................................................. 419 Diagnostic Worksheet...................................................................................................................................... 421 GENERAL SERVICING............................................................................................................................................. 423 Clip and Fastener......................................................................................................................................... 423 BODY END...................................................................................................................................................... 426 Body Front End............................................................................................................................................ 426 Body Rear End and Opener.................................................................................................................................. 429 DOOR.......................................................................................................................................................... 432 Front Door................................................................................................................................................ 432 Front Door Limit Switch Reset............................................................................................................................. 433 Rear Door................................................................................................................................................. 434 INSTRUMENT PANEL.............................................................................................................................................. 435 INTERIOR TRIM................................................................................................................................................. 439 Side and Floor Trim....................................................................................................................................... 439 Door Trim................................................................................................................................................. 441 Roof Trim................................................................................................................................................. 443 Trunk Room Trim........................................................................................................................................... 445 EXTERIOR...................................................................................................................................................... 446 SEAT.......................................................................................................................................................... 455 Front Seat................................................................................................................................................ 455 Heated Seat............................................................................................................................................... 456 Active Head Restraint..................................................................................................................................... 456 Rear Seat................................................................................................................................................. 457 SUNROOF....................................................................................................................................................... 458 Adjustment................................................................................................................................................ 458 Removal................................................................................................................................................... 458 Trouble Diagnoses......................................................................................................................................... 462 WINDSHIELD AND WINDOWS........................................................................................................................................ 466 Windshield and Rear Window................................................................................................................................ 467 MIRROR........................................................................................................................................................ 468 Door Mirror............................................................................................................................................... 468 BODY ALIGNMENT................................................................................................................................................ 469 Engine Compartment........................................................................................................................................ 469 Underbody................................................................................................................................................. 471 ec................................................................................................................................................................ 474 QUICK REFERENCE INDEX......................................................................................................................................... 0 Table of Contents............................................................................................................................................. 474 DIAGNOSTIC TROUBLE CODE INDEX................................................................................................................................. 477 Alphabetical & P No. Index for DTC........................................................................................................................ 477 PRECAUTIONS AND PREPARATION................................................................................................................................... 481 Special Service Tool...................................................................................................................................... 481 Commercial Service Tools.................................................................................................................................. 481 Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"............................................................................... 483 Precautions for On Board Diagnostic (OBD) System of Engine and A/T........................................................................................ 483 Engine Fuel & Emission Control System..................................................................................................................... 484 Precautions............................................................................................................................................... 485 ENGINE AND EMISSION CONTROL OVERALL SYSTEM.................................................................................................................... 487 Circuit Diagram........................................................................................................................................... 487 System Diagram............................................................................................................................................ 489 Engine Control Component Parts Location................................................................................................................... 490 Vacuum Hose Drawing....................................................................................................................................... 492 System Chart.............................................................................................................................................. 493 ENGINE AND EMISSION BASIC CONTROL SYSTEM DESCRIPTION.......................................................................................................... 494 Multiport Fuel Injection (MFI) System..................................................................................................................... 494 Electronic Ignition (EI) System........................................................................................................................... 496 Air Conditioning Cut Control.............................................................................................................................. 497 Fuel Cut Control (at no load & high engine speed)......................................................................................................... 498 EVAPORATIVE EMISSION SYSTEM................................................................................................................................... 499 Description............................................................................................................................................... 499 Inspection................................................................................................................................................ 499 Evaporative Emission Line Drawing......................................................................................................................... 502 On Board Refueling Vapor Recovery (ORVR).................................................................................................................. 504 POSITIVE CRANKCASE VENTILATION................................................................................................................................ 509 Description............................................................................................................................................... 509 Inspection................................................................................................................................................ 509 BASIC SERVICE PROCEDURE....................................................................................................................................... 510 Fuel Pressure Release..................................................................................................................................... 510 Fuel Pressure Check....................................................................................................................................... 510 Injector Removal and Installation......................................................................................................................... 511 Throttle Opener........................................................................................................................................... 512 Fast Idle Cam (FIC) Inspection and Adjustment............................................................................................................. 513 Direct Ignition System - How to Check Idle Speed and Ignition Timing...................................................................................... 513 Idle Speed/Ignition Timing/Idle Mixture Ratio Adjustment.................................................................................................. 515 ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION........................................................................................................................ 522 Introduction.............................................................................................................................................. 522 Two Trip Detection Logic.................................................................................................................................. 522 Emission-related Diagnostic Information................................................................................................................... 523 Malfunction Indicator Lamp (MIL).......................................................................................................................... 538 OBD System Operation Chart................................................................................................................................ 542 CONSULT-II................................................................................................................................................ 547 Generic Scan Tool (GST)................................................................................................................................... 558 TROUBLE DIAGNOSIS - Introduction.............................................................................................................................. 560 Introduction.............................................................................................................................................. 560 Diagnostic Worksheet...................................................................................................................................... 560 TROUBLE DIAGNOSIS - Work Flow................................................................................................................................. 562 Work Flow................................................................................................................................................. 562 Description for Work Flow................................................................................................................................. 563 TROUBLE DIAGNOSIS - Basic Inspection.......................................................................................................................... 564 Basic Inspection.......................................................................................................................................... 564 TROUBLE DIAGNOSIS - General Description....................................................................................................................... 570 Diagnostic Trouble Code (DTC) Inspection Priority Chart................................................................................................... 570 Fail-Safe Chart........................................................................................................................................... 571 Symptom Matrix Chart...................................................................................................................................... 572 CONSULT-II Reference Value in Data Monitor Mode........................................................................................................... 575 Major Sensor Reference Graph in Data Monitor Mode......................................................................................................... 578 ECM Terminals and Reference Value......................................................................................................................... 580 TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT................................................................................................................... 590 Description............................................................................................................................................... 590 Common I/I Report Situations.............................................................................................................................. 590 Diagnostic Procedure...................................................................................................................................... 590 TROUBLE DIAGNOSIS FOR POWER SUPPLY............................................................................................................................ 591 Main Power Supply and Ground Circuit...................................................................................................................... 591 TROUBLE DIAGNOSIS FOR DTC P0100............................................................................................................................... 597 Mass Air Flow Sensor (MAFS)............................................................................................................................... 597 TROUBLE DIAGNOSIS FOR DTC P0105............................................................................................................................... 605 Absolute Pressure Sensor.................................................................................................................................. 605 TROUBLE DIAGNOSIS FOR DTC P0110............................................................................................................................... 613 Intake Air Temperature Sensor............................................................................................................................. 613 TROUBLE DIAGNOSIS FOR DTC P0115............................................................................................................................... 618 Engine Coolant Temperature Sensor (ECTS).................................................................................................................. 618 TROUBLE DIAGNOSIS FOR DTC P0120............................................................................................................................... 623 Throttle Position Sensor.................................................................................................................................. 623 TROUBLE DIAGNOSIS FOR DTC P0125............................................................................................................................... 634 Engine Coolant Temperature (ECT) Sensor................................................................................................................... 634 TROUBLE DIAGNOSIS FOR DTC P0130 (B1), P0150 (B2).............................................................................................................. 639 Heated Oxygen Sensor 1 (Front) (P0130: Bank 1), (P0150: Bank 2) (Circuit)................................................................................. 639 TROUBLE DIAGNOSIS FOR DTC P0131 (B1), P0151 (B2).............................................................................................................. 647 Heated Oxygen Sensor 1 (Front) (P0131: Bank 1), (P0151: Bank 2) (Lean shift monitoring)................................................................... 647 TROUBLE DIAGNOSIS FOR DTC P0132 (B1), P0152 (B2).............................................................................................................. 653 Heated Oxygen Sensor 1 (Front) (P0132: Bank 1), (P0152: Bank 2) (Rich Shift Monitoring)................................................................... 653 TROUBLE DIAGNOSIS FOR DTC P0133 (B1), P0153 (B2).............................................................................................................. 660 Heated Oxygen Sensor 1 (Front) (P0133: Bank 1), (P0153: Bank 2) (Response monitoring)..................................................................... 660 TROUBLE DIAGNOSIS FOR DTC P0134 (B1), P0154 (B2).............................................................................................................. 669 Heated Oxygen Sensor 1 (Front) (P0134: Bank 1), (P0154: Bank 2)........................................................................................... 669 TROUBLE DIAGNOSIS FOR DTC P0135 (B1), P0155 (B2).............................................................................................................. 677 Heated Oxygen Sensor 1 Heater (Front) (P0135: Bank 1), (P0155: Bank 2).................................................................................... 677 TROUBLE DIAGNOSIS FOR DTC P0137 (B1), P0157 (B2).............................................................................................................. 683 Heated Oxygen Sensor 2 (Rear) (P0137: Bank 1), (P0157: Bank 2) (Min. Voltage Monitoring).................................................................. 683 TROUBLE DIAGNOSIS FOR DTC P0138 (B1), P0158 (B2).............................................................................................................. 691 Heated Oxygen Sensor 2 (Rear) (P0138: Bank 1), (P0158: Bank 2) (Max. Voltage Monitoring).................................................................. 691 TROUBLE DIAGNOSIS FOR DTC P0139 (B1), P0159 (B2).............................................................................................................. 699 Heated Oxygen Sensor 2 (Rear) (P0139: Bank 1), (P0159: Bank 2) (Response Monitoring)...................................................................... 699 TROUBLE DIAGNOSIS FOR DTC P0140 (B1), P0160 (B2).............................................................................................................. 706 Heated Oxygen Sensor 2 (Rear) (P0140: Bank 1), (P0160: Bank 2) (High voltage)............................................................................. 706 TROUBLE DIAGNOSIS FOR DTC P0141 (B1), P0161 (B2).............................................................................................................. 712 Heated Oxygen Sensor 2 Heaters (Rear) (P0141: Bank 1), (P0161: Bank 2).................................................................................... 712 TROUBLE DIAGNOSIS FOR DTC P0171 (B1), P0174 (B2).............................................................................................................. 718 Fuel Injection System Function (Lean side) (P0171: Bank 1), (P0174: Bank 2)............................................................................... 718 TROUBLE DIAGNOSIS FOR DTC P0172 (B1), P0175 (B2).............................................................................................................. 724 Fuel Injection System Function (Rich side) (P0172: Left bank), (P0175: Right bank)........................................................................ 724 TROUBLE DIAGNOSIS FOR DTC P0180............................................................................................................................... 730 Fuel Tank Temperature Sensor.............................................................................................................................. 730 TROUBLE DIAGNOSIS FOR DTC P0300 - P0308....................................................................................................................... 735 No. 1 - 8 Cylinder Misfire, Multiple Cylinder Misfire..................................................................................................... 735 TROUBLE DIAGNOSIS FOR DTC P0325 (B1), P0330 (B2).............................................................................................................. 740 Knock Sensor (KS) (P0325: Left bank), (P0330: Right bank)................................................................................................. 740 TROUBLE DIAGNOSIS FOR DTC P0335............................................................................................................................... 743 Crankshaft Position Sensor (CKPS) (OBD)................................................................................................................... 743 TROUBLE DIAGNOSIS FOR DTC P0340............................................................................................................................... 748 Camshaft Position Sensor (CMPS)........................................................................................................................... 748 TROUBLE DIAGNOSIS FOR DTC P0400............................................................................................................................... 754 EGR Function (Close)...................................................................................................................................... 754 TROUBLE DIAGNOSIS FOR DTC P0402............................................................................................................................... 763 EGRC-BPT Valve Function................................................................................................................................... 763 TROUBLE DIAGNOSIS FOR DTC P0420 (B1), P0430 (B2).............................................................................................................. 768 Three Way Catalyst Function (P0420: Left bank), (P0430: Right bank)....................................................................................... 768 TROUBLE DIAGNOSIS FOR DTC P0440............................................................................................................................... 771 Evaporative Emission (EVAP) Control System (Small Leak) (Negative Pressure)............................................................................... 771 TROUBLE DIAGNOSIS FOR DTC P0443............................................................................................................................... 782 Evaporative Emission (EVAP) Canister Purge Volume Control Valve (Circuit)................................................................................. 782 TROUBLE DIAGNOSIS FOR DTC P0446............................................................................................................................... 788 Evaporative Emission (EVAP) Canister Vent Control Valve (Circuit)......................................................................................... 788 TROUBLE DIAGNOSIS FOR DTC P0450............................................................................................................................... 793 Evaporative Emission (EVAP) Control System Pressure Sensor................................................................................................ 793 TROUBLE DIAGNOSIS FOR DTC P0455............................................................................................................................... 799 Evaporative Emission (EVAP) Control System (Gross Leak)................................................................................................... 799 TROUBLE DIAGNOSIS FOR DTC P0500............................................................................................................................... 808 Vehicle Speed Sensor (VSS)................................................................................................................................ 808 TROUBLE DIAGNOSIS FOR DTC P0505............................................................................................................................... 813 Idle Air Control Valve (IACV) - Auxiliary Air Control (AAC) Valve......................................................................................... 813 TROUBLE DIAGNOSIS FOR DTC P0510............................................................................................................................... 819 Closed Throttle Position Switch........................................................................................................................... 819 TROUBLE DIAGNOSIS FOR DTC P0600, P1605........................................................................................................................ 825 A/T Communication Line (P0600) and A/T Diagnostic Communication Line (P1605).............................................................................. 825 TROUBLE DIAGNOSIS FOR DTC P0605............................................................................................................................... 828 Engine Control Module (ECM)............................................................................................................................... 828 TROUBLE DIAGNOSIS FOR DTC P1105............................................................................................................................... 831 Manifold Absolute Pressure (MAP)/Barometric Pressure (BARO) Switch Solenoid Valve......................................................................... 831 TROUBLE DIAGNOSIS FOR DTC P1110 (B1), P1135 (B2).............................................................................................................. 840 Intake Valve Timing Control (P1110: Left bank), (P1135: Right bank)....................................................................................... 840 TROUBLE DIAGNOSIS FOR DTC P1120............................................................................................................................... 848 Secondary Throttle Position Sensor (STPS)................................................................................................................. 848 TROUBLE DIAGNOSIS FOR DTC P1125............................................................................................................................... 854 Tandem Throttle Position Sensor........................................................................................................................... 854 TROUBLE DIAGNOSIS FOR DTC P1140 (B1), P1145 (B2).............................................................................................................. 855 Intake Valve Timing Control Position Sensor (P1140: Left bank), (P1145: Right bank)....................................................................... 855 TROUBLE DIAGNOSIS FOR DTC P1148 (B1), P1168 (B2).............................................................................................................. 861 Closed Loop Control (P1148: Left bank), (P1168: Right bank)............................................................................................... 861 TROUBLE DIAGNOSIS FOR DTC P1210............................................................................................................................... 863 Traction Control System (TCS) Signal Circuit.............................................................................................................. 863 TROUBLE DIAGNOSIS FOR DTC P1220............................................................................................................................... 866 Fuel Pump Control Module (FPCM)........................................................................................................................... 866 TROUBLE DIAGNOSIS FOR DTC P1320............................................................................................................................... 872 Ignition Signal........................................................................................................................................... 872 TROUBLE DIAGNOSIS FOR DTC P1336............................................................................................................................... 880 Crankshaft Position Sensor (CKPS) (OBD) (COG)............................................................................................................. 880 TROUBLE DIAGNOSIS FOR DTC P1400............................................................................................................................... 885 EGRC-solenoid Valve ...................................................................................................................................... 885 TROUBLE DIAGNOSIS FOR DTC P1401............................................................................................................................... 890 EGR Temperature Sensor.................................................................................................................................... 890 TROUBLE DIAGNOSIS FOR DTC P1402............................................................................................................................... 896 EGR Function (Open)....................................................................................................................................... 896 TROUBLE DIAGNOSIS FOR DTC P1440............................................................................................................................... 905 Evaporative Emission (EVAP) Control System (Small Leak) (Positive Pressure)............................................................................... 905 TROUBLE DIAGNOSIS FOR DTC P1444............................................................................................................................... 917 Evaporative Emission (EVAP) Canister Purge Volume Control Valve........................................................................................... 917 TROUBLE DIAGNOSIS FOR DTC P1446............................................................................................................................... 925 Evaporative Emission (EVAP) Canister Vent Control Valve (Close)........................................................................................... 925 TROUBLE DIAGNOSIS FOR DTC P1447............................................................................................................................... 930 Evaporative Emission (EVAP) Control System Purge Flow Monitoring.......................................................................................... 930 TROUBLE DIAGNOSIS FOR DTC P1448............................................................................................................................... 937 Evaporative Emission (EVAP) Canister Vent Control Valve (Open)............................................................................................ 937 TROUBLE DIAGNOSIS FOR DTC P1490............................................................................................................................... 943 Vacuum Cut Valve Bypass Valve (Circuit)................................................................................................................... 943 TROUBLE DIAGNOSIS FOR DTC P1491............................................................................................................................... 948 Vacuum Cut Valve Bypass Valve............................................................................................................................. 948 TROUBLE DIAGNOSIS FOR DTC P1492............................................................................................................................... 954 Evaporative Emission (EVAP) Canister Purge Control Valve/Solenoid Valve (Circuit)......................................................................... 954 TROUBLE DIAGNOSIS FOR DTC P1493............................................................................................................................... 960 Evaporative Emission (EVAP) Canister Purge Control Valve/Solenoid Valve................................................................................... 960 TROUBLE DIAGNOSIS FOR DTC P1706............................................................................................................................... 967 Park/Neutral Position (PNP) Switch........................................................................................................................ 967 TROUBLE DIAGNOSIS FOR ABS/TCS C/U SIGNAL...................................................................................................................... 972 ABS/TCS Control Unit...................................................................................................................................... 972 TROUBLE DIAGNOSIS FOR ECM - ABS/TCS COMM NG................................................................................................................... 973 ABS/TCS Communication Line................................................................................................................................ 973 TROUBLE DIAGNOSIS FOR OVERHEAT................................................................................................................................ 976 Overheat.................................................................................................................................................. 976 TROUBLE DIAGNOSIS FOR NON-DETECTABLE ITEMS.................................................................................................................... 988 Injector.................................................................................................................................................. 988 Start Signal.............................................................................................................................................. 994 Fuel Pump Control......................................................................................................................................... 996 Power Steering Oil Pressure Switch........................................................................................................................1000 Electrical Load Signal....................................................................................................................................1005 MIL & Data Link Connectors................................................................................................................................1008 SERVICE DATA AND SPECIFICATIONS (SDS).........................................................................................................................1009 General Specifications....................................................................................................................................1009 Inspection and Adjustment.................................................................................................................................1009 SUPER MULTIPLE JUNCTION (SMJ)................................................................................................................................. 0 FUSE BLOCK - JUNCTION BOX (J/B)............................................................................................................................... 4 FUSE AND FUSIBLE LINK BOX..................................................................................................................................... 5 ELECTRICAL UNITS.............................................................................................................................................. 6 JOINT CONNECTOR (J/C)......................................................................................................................................... 7 el................................................................................................................................................................1012 QUICK REFERENCE INDEX......................................................................................................................................... 0 Table of Contents.............................................................................................................................................1012 PRECAUTIONS...................................................................................................................................................1017 Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"...............................................................................1017 PREPARATION...................................................................................................................................................1018 Special Service Tool......................................................................................................................................1018 HARNESS CONNECTOR.............................................................................................................................................1019 Description...............................................................................................................................................1019 STANDARDIZED RELAY............................................................................................................................................1021 Description...............................................................................................................................................1021 POWER SUPPLY ROUTING..........................................................................................................................................1023 Schematic.................................................................................................................................................1023 Wiring Diagram - POWER -..................................................................................................................................1024 Fuse......................................................................................................................................................1033 Fusible Link..............................................................................................................................................1033 Circuit Breaker Inspection................................................................................................................................1033 GROUND DISTRIBUTION...........................................................................................................................................1034 Engine Room Harness.......................................................................................................................................1034 Main Harness..............................................................................................................................................1036 Engine Control Harness....................................................................................................................................1040 Engine Harness............................................................................................................................................1042 Body Harness..............................................................................................................................................1043 Body No. 2 Harness........................................................................................................................................1045 BATTERY.......................................................................................................................................................1046 How to Handle Battery.....................................................................................................................................1046 Service Data and Specifications (SDS).....................................................................................................................1048 Trouble Diagnoses with Battery/Starting/Charging System Tester............................................................................................1049 STARTING SYSTEM...............................................................................................................................................1052 System Description........................................................................................................................................1052 Wiring Diagram - START -..................................................................................................................................1053 Trouble Diagnoses with Battery/Starting/Charging System Tester............................................................................................1054 Trouble Diagnoses.........................................................................................................................................1056 Construction..............................................................................................................................................1058 Removal and Installation..................................................................................................................................1058 Pinion/Clutch Check.......................................................................................................................................1059 Service Data and Specifications (SDS).....................................................................................................................1059 CHARGING SYSTEM...............................................................................................................................................1060 System Description........................................................................................................................................1060 Wiring Diagram - CHARGE -.................................................................................................................................1061 Trouble Diagnoses with Battery/Starting/Charging System Tester............................................................................................1062 Removal and Installation..................................................................................................................................1067 Construction..............................................................................................................................................1068 Service Data and Specifications (SDS).....................................................................................................................1068 COMBINATION SWITCH............................................................................................................................................1069 Check.....................................................................................................................................................1069 Replacement...............................................................................................................................................1070 STEERING SWITCH...............................................................................................................................................1071 Check.....................................................................................................................................................1071 HEADLAMP (FOR U.S.A.) - CONVENTIONAL TYPE -...................................................................................................................1073 Component Parts and Harness Connector Location............................................................................................................1073 System Description........................................................................................................................................1073 Schematic.................................................................................................................................................1075 Wiring Diagram - H/LAMP -.................................................................................................................................1076 CONSULT-II (For auto light operation).....................................................................................................................1079 Trouble Diagnoses/Auto Light Operation....................................................................................................................1080 Trouble Diagnoses/Headlamp (Conventional Type)............................................................................................................1086 Bulb Replacement/Conventional Type........................................................................................................................1087 Bulb Specifications/Conventional Type.....................................................................................................................1087 Aiming Adjustment/Conventional Type.......................................................................................................................1087 HEADLAMP (FOR U.S.A.) - XENON TYPE -..........................................................................................................................1089 Component Parts and Harness Connector Location............................................................................................................1089 System Description........................................................................................................................................1089 Schematic.................................................................................................................................................1092 Wiring Diagram - H/LAMP -.................................................................................................................................1093 Trouble Diagnoses/Headlamp (Xenon Type)...................................................................................................................1096 Bulb Replacement/Xenon Type...............................................................................................................................1098 Aiming Adjustment/Xenon Type..............................................................................................................................1099 HEADLAMP (FOR CANADA) - CONVENTIONAL TYPE -...................................................................................................................1101 Component Parts and Harness Connector Location............................................................................................................1101 Daytime Light System/System Description...................................................................................................................1101 Operation (Daytime light system with conventional headlamp)...............................................................................................1103 Schematic.................................................................................................................................................1104 Wiring Diagram - DTRL -...................................................................................................................................1105 Trouble Diagnoses.........................................................................................................................................1109 Bulb Replacement/Conventional Type........................................................................................................................1110 Bulb Specifications/Conventional Type.....................................................................................................................1110 Aiming Adjustment/Conventional Type.......................................................................................................................1110 HEADLAMP (FOR CANADA) - XENON TYPE -..........................................................................................................................1111 Component Parts and Harness Connector Location............................................................................................................1111 Daytime Light System/System Description...................................................................................................................1111 Operation (Daytime light system with xenon headlamp)......................................................................................................1113 Schematic.................................................................................................................................................1114 Wiring Diagram - DTRL -...................................................................................................................................1115 Trouble Diagnoses.........................................................................................................................................1119 Bulb Replacement/Xenon Type...............................................................................................................................1120 Aiming Adjustment/Xenon Type..............................................................................................................................1120 HEADLAMP - Headlamp Aiming Control -..........................................................................................................................1121 Wiring Diagram - H/AIM -..................................................................................................................................1121 PARKING, LICENSE AND TAIL LAMPS...............................................................................................................................1122 System Description........................................................................................................................................1122 Wiring Diagram - TAIL/L -.................................................................................................................................1123 Trouble Diagnoses.........................................................................................................................................1125 STOP LAMP.....................................................................................................................................................1126 Wiring Diagram - STOP/L -.................................................................................................................................1126 BACK-UP LAMP..................................................................................................................................................1127 Wiring Diagram - BACK/L -.................................................................................................................................1127 FRONT FOG LAMP................................................................................................................................................1128 System Description........................................................................................................................................1128 Wiring Diagram - F/FOG -..................................................................................................................................1129 Aiming Adjustment.........................................................................................................................................1131 Bulb Specifications.......................................................................................................................................1131 TURN SIGNAL AND HAZARD WARNING LAMPS..........................................................................................................................1132 System Description........................................................................................................................................1132 Schematic.................................................................................................................................................1134 Wiring Diagram - TURN -...................................................................................................................................1135 Trouble Diagnoses.........................................................................................................................................1138 Electrical Components Inspection..........................................................................................................................1138 ILLUMINATION..................................................................................................................................................1139 System Description........................................................................................................................................1139 Schematic.................................................................................................................................................1140 Wiring Diagram - ILL -....................................................................................................................................1142 TRUNK ROOM AND VANITY MIRROR LAMP.............................................................................................................................1152 Wiring Diagram - INT/L -..................................................................................................................................1152 METER AND GAUGES..............................................................................................................................................1153 Component Parts and Harness Connector Location............................................................................................................1153 System Description........................................................................................................................................1153 Combination Meter.........................................................................................................................................1155 Wiring Diagram - METER -..................................................................................................................................1156 Meter/Gauge Operation and Odo/Trip Meter Segment Check in Diagnosis Mode..................................................................................1158 Flexible Print Circuit (FPC)..............................................................................................................................1159 Trouble Diagnoses.........................................................................................................................................1160 Electrical Components Inspection..........................................................................................................................1164 WARNING LAMPS.................................................................................................................................................1167 System Description........................................................................................................................................1167 Schematic.................................................................................................................................................1170 Wiring Diagram - WARN -...................................................................................................................................1171 CONSULT-II (For door warning lamp)........................................................................................................................1175 Trouble Diagnoses/Door Warning Lamp.......................................................................................................................1176 Trouble Diagnoses/Stop and Tail Lamp Sensor...............................................................................................................1178 Electrical Components Inspection..........................................................................................................................1179 A/T INDICATOR.................................................................................................................................................1180 Schematic.................................................................................................................................................1180 Wiring Diagram - AT/IND -.................................................................................................................................1181 WARNING CHIME.................................................................................................................................................1184 Component Parts and Harness Connector Location............................................................................................................1184 System Description........................................................................................................................................1184 Wiring Diagram - CHIME -..................................................................................................................................1186 CONSULT-II................................................................................................................................................1188 Trouble Diagnoses.........................................................................................................................................1189 Electrical Components Inspection..........................................................................................................................1193 WIPER AND WASHER..............................................................................................................................................1194 Component Parts and Harness Connector Location............................................................................................................1194 System Description........................................................................................................................................1194 Schematic.................................................................................................................................................1196 Wiring Diagram - WIPER -..................................................................................................................................1197 CONSULT-II................................................................................................................................................1200 Trouble Diagnoses.........................................................................................................................................1203 Removal and Installation..................................................................................................................................1209 Washer Nozzle Adjustment..................................................................................................................................1210 Washer Tube Layout........................................................................................................................................1211 HORN..........................................................................................................................................................1212 Wiring Diagram - HORN -...................................................................................................................................1212 CIGARETTE LIGHTER.............................................................................................................................................1213 Wiring Diagram - CIGAR -..................................................................................................................................1213 CLOCK.........................................................................................................................................................1214 Wiring Diagram - CLOCK -..................................................................................................................................1214 REAR WINDOW DEFOGGER..........................................................................................................................................1215 Component Parts and Harness Connector Location............................................................................................................1215 System Description........................................................................................................................................1215 Wiring Diagram - DEF -....................................................................................................................................1217 CONSULT-II................................................................................................................................................1221 Trouble Diagnoses.........................................................................................................................................1222 Filament Check............................................................................................................................................1225 Filament Repair...........................................................................................................................................1226 AUDIO.........................................................................................................................................................1227 System Description........................................................................................................................................1227 Schematic.................................................................................................................................................1228 Wiring Diagram - AUDIO -..................................................................................................................................1229 Trouble Diagnoses.........................................................................................................................................1236 Wiring Diagram - REMOTE -.................................................................................................................................1238 AUDIO ANTENNA.................................................................................................................................................1239 System Description........................................................................................................................................1239 Wiring Diagram - P/ANT -..................................................................................................................................1240 Trouble Diagnoses.........................................................................................................................................1241 Location of Antenna.......................................................................................................................................1241 Antenna Rod Replacement...................................................................................................................................1241 Window Antenna Repair.....................................................................................................................................1242 TELEPHONE (Pre wire)..........................................................................................................................................1243 Wiring Diagram - PHONE -..................................................................................................................................1243 TRUNK LID AND FUEL FILLER LID OPENER..........................................................................................................................1245 Wiring Diagram - T&FLID -.................................................................................................................................1245 TRUNK CLOSURE.................................................................................................................................................1247 Component Parts and Harness Connector Location............................................................................................................1247 System Description........................................................................................................................................1247 Wiring Diagram - T/CLOS -.................................................................................................................................1248 Trouble Diagnosis.........................................................................................................................................1250 ELECTRIC SUNROOF..............................................................................................................................................1253 Component Parts and Harness Connector Location............................................................................................................1253 System Description........................................................................................................................................1253 Wiring Diagram - SROOF -..................................................................................................................................1254 CONSULT-II................................................................................................................................................1256 Trouble Diagnoses.........................................................................................................................................1257 DOOR MIRROR...................................................................................................................................................1258 Wiring Diagram - MIRROR -.................................................................................................................................1258 AUTO ANTI-DAZZLING INSIDE MIRROR..............................................................................................................................1259 Wiring Diagram - I/MIRR -.................................................................................................................................1259 POWER SEAT (Passenger side)...................................................................................................................................1260 Schematic.................................................................................................................................................1260 Wiring Diagram - SEAT -...................................................................................................................................1261 HEATED SEAT...................................................................................................................................................1265 Wiring Diagram - HSEAT -..................................................................................................................................1265 REAR SUNSHADE.................................................................................................................................................1267 Component Parts and Harness Connector Location............................................................................................................1267 System Description........................................................................................................................................1268 Wiring Diagram - SHADE -..................................................................................................................................1269 Trouble Diagnoses.........................................................................................................................................1271 AUTOMATIC SPEED CONTROL DEVICE (ASCD).........................................................................................................................1273 Component Parts and Harness Connector Location............................................................................................................1273 System Description........................................................................................................................................1274 Schematic.................................................................................................................................................1276 Wiring Diagram - ASCD -...................................................................................................................................1277 CONSULT-II................................................................................................................................................1282 Fail-safe System Description..............................................................................................................................1284 Fail-safe System Check....................................................................................................................................1285 Trouble Diagnoses.........................................................................................................................................1286 Electrical Components Inspection..........................................................................................................................1294 ASCD Wire Adjustment......................................................................................................................................1295 IVMS (LAN)....................................................................................................................................................1296 Overall Description.......................................................................................................................................1296 Component Parts Location..................................................................................................................................1297 System Diagram............................................................................................................................................1298 Sleep/Wake-up Control.....................................................................................................................................1299 Fail-safe System..........................................................................................................................................1299 CONSULT-II................................................................................................................................................1300 On board Diagnosis........................................................................................................................................1307 On board Diagnosis - Mode I (IVMS communication diagnosis)................................................................................................1308 On board Diagnosis - Mode II (Switch monitor).............................................................................................................1310 Schematic.................................................................................................................................................1312 Wiring Diagram - COMM -...................................................................................................................................1313 Trouble Diagnoses.........................................................................................................................................1317 BCM (Body Control Module).....................................................................................................................................1321 Schematic.................................................................................................................................................1321 LOCAL CONTROL UNITS (LCUs)....................................................................................................................................1323 Schematic.................................................................................................................................................1323 POWER WINDOW - IVMS...........................................................................................................................................1327 Component Parts and Harness Connector Location............................................................................................................1327 System Description........................................................................................................................................1328 Schematic.................................................................................................................................................1329 Wiring Diagram - WINDOW -.................................................................................................................................1330 CONSULT-II................................................................................................................................................1334 Trouble Diagnoses.........................................................................................................................................1335 POWER DOOR LOCK - IVMS........................................................................................................................................1343 Component Parts and Harness Connector Location............................................................................................................1343 System Description........................................................................................................................................1344 Schematic.................................................................................................................................................1345 Wiring Diagram - D/LOCK -.................................................................................................................................1346 CONSULT-II................................................................................................................................................1350 On board Diagnosis - Mode III (Power door lock operation).................................................................................................1353 Trouble Diagnoses.........................................................................................................................................1355 MULTI-REMOTE CONTROL SYSTEM - IVMS............................................................................................................................1364 Component Parts and Harness Connector Location............................................................................................................1364 System Description........................................................................................................................................1365 Schematic.................................................................................................................................................1367 Wiring Diagram - MULTI -..................................................................................................................................1368 CONSULT-II................................................................................................................................................1374 Trouble Diagnoses.........................................................................................................................................1375 Electrical Components Inspection..........................................................................................................................1384 ID Code Entry Procedure...................................................................................................................................1385 INTERIOR ILLUMINATION CONTROL - IVMS..........................................................................................................................1388 System Description........................................................................................................................................1388 Schematic.................................................................................................................................................1392 Wiring Diagram - ROOM/L -.................................................................................................................................1393 CONSULT-II................................................................................................................................................1400 Trouble Diagnoses.........................................................................................................................................1401 STEP LAMP - IVMS..............................................................................................................................................1410 Component Parts and Harness Connector Locations...........................................................................................................1410 System Description........................................................................................................................................1411 Schematic.................................................................................................................................................1412 Wiring Diagram - STEP/L -.................................................................................................................................1413 CONSULT-II................................................................................................................................................1418 Trouble Diagnoses.........................................................................................................................................1419 REAR POWER WINDOW SWITCH ILLUMINATION - IVMS..................................................................................................................1421 System Description........................................................................................................................................1421 Wiring Diagram - SW/ILL -.................................................................................................................................1422 CONSULT-II................................................................................................................................................1424 Trouble Diagnoses.........................................................................................................................................1425 VEHICLE SECURITY (THEFT WARNING) SYSTEM - IVMS................................................................................................................1426 Component Parts Harness Connector Location................................................................................................................1426 System Description........................................................................................................................................1427 Schematic.................................................................................................................................................1429 Wiring Diagram - VEHSEC -.................................................................................................................................1430 CONSULT-II................................................................................................................................................1438 Trouble Diagnoses.........................................................................................................................................1439 AUTOMATIC DRIVE POSITIONER - IVMS.............................................................................................................................1452 Component Parts and Harness Connector Location............................................................................................................1452 System Description........................................................................................................................................1453 Schematic.................................................................................................................................................1457 Wiring Diagram - AUT/DP -.................................................................................................................................1458 CONSULT-II................................................................................................................................................1465 On board Diagnosis - Mode IV (Automatic drive positioner operation).......................................................................................1469 Trouble Diagnoses.........................................................................................................................................1471 IVIS (Infiniti Vehicle Immobilizer System - NATS).............................................................................................................1497 Component Parts and Harness Connector Location............................................................................................................1497 System Description........................................................................................................................................1498 System Composition........................................................................................................................................1498 Wiring Diagram - NATS -...................................................................................................................................1499 CONSULT-II................................................................................................................................................1500 Trouble Diagnoses.........................................................................................................................................1502 How to Replace IVIS (NATS) Antenna Amp....................................................................................................................1514 INTEGRATED HOMELINK TRANSMITTER...............................................................................................................................1515 Wiring Diagram - TRNSMT -.................................................................................................................................1515 Trouble Diagnoses.........................................................................................................................................1516 INFINITI COMMUNICATOR (IVCS)..................................................................................................................................1517 Precaution................................................................................................................................................1517 Communicator Response Center Telephone Number for Technicians.............................................................................................1517 Component Parts and Harness Connector Location............................................................................................................1518 System Description........................................................................................................................................1519 Schematic.................................................................................................................................................1525 Wiring Diagram - IVCS -...................................................................................................................................1526 CONSULT-II................................................................................................................................................1530 Trouble Diagnoses.........................................................................................................................................1534 Trouble Diagnoses for Intermittent Incident...............................................................................................................1544 Demonstration Mode........................................................................................................................................1545 System Setting (When IVCS unit is replaced)...............................................................................................................1547 NAVIGATION SYSTEM.............................................................................................................................................1551 Precautions...............................................................................................................................................1551 System Description........................................................................................................................................1552 Schematic.................................................................................................................................................1559 Wiring Diagram - NAVI -...................................................................................................................................1560 Self-diagnosis Mode.......................................................................................................................................1564 Setting Mode..............................................................................................................................................1576 Trouble Diagnoses.........................................................................................................................................1584 This Condition Is Not Abnormal............................................................................................................................1589 Program Loading...........................................................................................................................................1597 Initialize Location.......................................................................................................................................1598 LOCATION OF ELECTRICAL UNITS..................................................................................................................................1601 Engine Compartment........................................................................................................................................1601 Luggage Compartment.......................................................................................................................................1602 Passenger Compartment.....................................................................................................................................1603 HARNESS LAYOUT................................................................................................................................................1605 Outline...................................................................................................................................................1605 How to Read Harness Layout................................................................................................................................1606 Engine Room Harness.......................................................................................................................................1607 Instrument Harness........................................................................................................................................1610 Main Harness..............................................................................................................................................1613 Engine Control Harness....................................................................................................................................1615 Body Harness and Tail Harness.............................................................................................................................1617 Body No. 2 Harness........................................................................................................................................1619 Engine Harness............................................................................................................................................1621 Room Lamp Harness.........................................................................................................................................1622 Air Bag Harness...........................................................................................................................................1623 Front Door Harness........................................................................................................................................1624 Rear Door Harness.........................................................................................................................................1625 SPLICE LOCATION...............................................................................................................................................1626 How to Read Splice Location...............................................................................................................................1626 Engine Room Harness.......................................................................................................................................1627 Main Harness..............................................................................................................................................1629 Instrument Harness........................................................................................................................................1630 Engine Control Harness....................................................................................................................................1632 Engine Harness............................................................................................................................................1633 Body Harness and Tail Harness.............................................................................................................................1634 Body No. 2 Harness........................................................................................................................................1635 Room Lamp Harness.........................................................................................................................................1636 Front Door Harness........................................................................................................................................1637 Rear Door Harness.........................................................................................................................................1638 BULB SPECIFICATIONS...........................................................................................................................................1639 Headlamp..................................................................................................................................................1639 Exterior Lamp.............................................................................................................................................1639 Interior Lamp.............................................................................................................................................1639 WIRING DIAGRAM CODES (Cell codes).............................................................................................................................1640 SUPER MULTIPLE JUNCTION (SMJ)................................................................................................................................. 0 FUSE BLOCK - JUNCTION BOX (J/B)............................................................................................................................... 4 FUSE AND FUSIBLE LINK BOX..................................................................................................................................... 5 ELECTRICAL UNITS.............................................................................................................................................. 6 JOINT CONNECTOR (J/C)......................................................................................................................................... 7 em................................................................................................................................................................1642 QUICK REFERENCE INDEX......................................................................................................................................... 0 Table of Contents.............................................................................................................................................1642 PRECAUTIONS...................................................................................................................................................1643 Parts Requiring Angular Tightening........................................................................................................................1643 Liquid Gasket Application Procedure.......................................................................................................................1643 PREPARATION...................................................................................................................................................1644 Special Service Tools.....................................................................................................................................1644 Commercial Service Tools..................................................................................................................................1645 NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING..........................................................................................................1647 NVH Troubleshooting - Engine Noise........................................................................................................................1648 OUTER COMPONENT PARTS.........................................................................................................................................1649 COMPRESSION PRESSURE..........................................................................................................................................1651 Measurement of Compression Pressure.......................................................................................................................1651 OIL PAN.......................................................................................................................................................1652 Removal...................................................................................................................................................1652 Installation..............................................................................................................................................1653 TIMING CHAIN..................................................................................................................................................1654 Removal...................................................................................................................................................1656 Inspection................................................................................................................................................1659 Installation..............................................................................................................................................1660 OIL SEAL REPLACEMENT..........................................................................................................................................1668 CYLINDER HEAD.................................................................................................................................................1670 Removal...................................................................................................................................................1671 Camshaft Removal..........................................................................................................................................1671 Camshaft Installation.....................................................................................................................................1672 Cylinder Head Assembly Removal............................................................................................................................1673 Disassembly...............................................................................................................................................1674 Inspection................................................................................................................................................1676 Assembly..................................................................................................................................................1681 Installation..............................................................................................................................................1681 ENGINE REMOVAL................................................................................................................................................1684 Removal...................................................................................................................................................1685 CYLINDER BLOCK................................................................................................................................................1686 Disassembly...............................................................................................................................................1687 Inspection................................................................................................................................................1688 Assembly..................................................................................................................................................1693 SERVICE DATA AND SPECIFICATIONS (SDS).........................................................................................................................1697 General Specifications....................................................................................................................................1697 Inspection and Adjustment.................................................................................................................................1697 fa................................................................................................................................................................1704 QUICK REFERENCE INDEX......................................................................................................................................... 0 Table of Contents.............................................................................................................................................1704 PRECAUTIONS AND PREPARATION...................................................................................................................................1705 Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"...............................................................................1705 Precautions for Brake System..............................................................................................................................1705 Special Service Tools.....................................................................................................................................1706 Commercial Service Tools..................................................................................................................................1707 NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING..........................................................................................................1708 NVH Troubleshooting Chart.................................................................................................................................1708 FRONT SUSPENSION SYSTEM.......................................................................................................................................1709 ON-VEHICLE SERVICE............................................................................................................................................1710 Front Axle and Front Suspension Parts.....................................................................................................................1710 Front Wheel Bearing.......................................................................................................................................1711 Front Wheel Alignment.....................................................................................................................................1712 FRONT AXLE....................................................................................................................................................1715 Wheel Hub and Knuckle.....................................................................................................................................1715 ABS Sensor Rotor..........................................................................................................................................1718 FRONT SUSPENSION..............................................................................................................................................1719 Coil Spring and Strut Assembly............................................................................................................................1720 Tension Rod and Stabilizer Bar............................................................................................................................1724 Transverse Link Assembly..................................................................................................................................1725 ACTIVE DAMPER SUSPENSION......................................................................................................................................1726 System Components.........................................................................................................................................1726 Component Description.....................................................................................................................................1726 Active Damper Suspension Configuration....................................................................................................................1728 Active Damper.............................................................................................................................................1729 Removal and Installation..................................................................................................................................1730 TROUBLE DIAGNOSES.............................................................................................................................................1731 How to Perform Trouble Diagnoses for Quick and Accurate Repair............................................................................................1731 Symptom Chart.............................................................................................................................................1732 Fail-safe Remarks.........................................................................................................................................1733 Preliminary Check.........................................................................................................................................1734 Component Parts and Harness Connector Locations...........................................................................................................1735 Schematic.................................................................................................................................................1736 Wiring Diagram............................................................................................................................................1737 Self-diagnoses............................................................................................................................................1742 CONSULT-II Inspection Procedure...........................................................................................................................1744 TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMS...................................................................................................................1750 Diagnostic Procedure 1 (Vehicle speed sensor).............................................................................................................1750 Diagnostic Procedure 2 (Steering angle sensor)............................................................................................................1751 Diagnostic Procedure 3 (Stop lamp switch).................................................................................................................1752 Diagnostic Procedure 4 (Vertical G sensor)................................................................................................................1753 TROUBLE DIAGNOSES FOR SYMPTOMS................................................................................................................................1754 Diagnostic Procedure 5 (SPORT indicator does not come on when ignition switch is turned on.)..............................................................1754 Diagnostic procedure 6 (Hard or soft feel)................................................................................................................1756 Diagnostic Procedure 7 (Heavy steering operation during stationary turns).................................................................................1759 Diagnostic Procedure 8 (Light steering during high-speed operation).......................................................................................1760 TROUBLE DIAGNOSES FOR ACTIVE DAMPER SUSPENSION................................................................................................................1761 Electrical Component Inspection...........................................................................................................................1761 SERVICE DATA AND SPECIFICATIONS (SDS).........................................................................................................................1763 General Specifications....................................................................................................................................1763 Inspection and Adjustment.................................................................................................................................1763 SUPER MULTIPLE JUNCTION (SMJ)................................................................................................................................. 0 FUSE BLOCK - JUNCTION BOX (J/B)............................................................................................................................... 4 FUSE AND FUSIBLE LINK BOX..................................................................................................................................... 5 ELECTRICAL UNITS.............................................................................................................................................. 6 JOINT CONNECTOR (J/C)......................................................................................................................................... 7 fe................................................................................................................................................................1766 QUICK REFERENCE INDEX......................................................................................................................................... 0 Table of Contents.............................................................................................................................................1766 PREPARATION...................................................................................................................................................1767 Special Service Tool......................................................................................................................................1767 Commercial Service Tools..................................................................................................................................1767 ACCELERATOR CONTROL SYSTEM....................................................................................................................................1768 Adjusting Accelerator Wire................................................................................................................................1769 FUEL SYSTEM...................................................................................................................................................1770 Fuel Tank.................................................................................................................................................1771 EXHAUST SYSTEM................................................................................................................................................1772 foldout...........................................................................................................................................................1774 QUICK REFERENCE INDEX......................................................................................................................................... 0 SUPER MULTIPLE JUNCTION (SMJ).................................................................................................................................1774 FUSE BLOCK - JUNCTION BOX (J/B)...............................................................................................................................1778 FUSE AND FUSIBLE LINK BOX.....................................................................................................................................1779 ELECTRICAL UNITS..............................................................................................................................................1780 JOINT CONNECTOR (J/C).........................................................................................................................................1781 QUICK REFERENCE CHART.........................................................................................................................................1782 gi................................................................................................................................................................1783 QUICK REFERENCE INDEX......................................................................................................................................... 0 Table of Contents.............................................................................................................................................1783 PRECAUTIONS...................................................................................................................................................1784 Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"...............................................................1784 Precautions for IVIS (Infiniti Vehicle Immobilizer System - NATS).........................................................................................1784 Precautions for INFINITI Communicator (IVCS)..............................................................................................................1785 General Precautions.......................................................................................................................................1785 Precautions for Multiport Fuel Injection System or Engine Control System..................................................................................1787 Precautions for Three Way Catalyst........................................................................................................................1787 Precautions for Engine Oils...............................................................................................................................1788 Precautions for Fuel......................................................................................................................................1789 Precautions for Air Conditioning..........................................................................................................................1789 HOW TO USE THIS MANUAL........................................................................................................................................1790 HOW TO READ WIRING DIAGRAMS...................................................................................................................................1792 Sample/Wiring Diagram - EXAMPL -..........................................................................................................................1792 Description...............................................................................................................................................1794 HOW TO CHECK TERMINAL.........................................................................................................................................1802 Connector and Terminal Pin Kit............................................................................................................................1802 How to Probe Connectors...................................................................................................................................1802 How to Check Enlarged Contact Spring of Terminal..........................................................................................................1803 Waterproof Connector Inspection...........................................................................................................................1804 Terminal Lock Inspection..................................................................................................................................1804 HOW TO PERFORM EFFICIENT DIAGNOSIS FOR AN ELECTRICAL INCIDENT.................................................................................................1805 Work Flow.................................................................................................................................................1805 Incident Simulation Tests.................................................................................................................................1806 Circuit Inspection........................................................................................................................................1809 HOW TO FOLLOW FLOW CHART IN TROUBLE DIAGNOSES.................................................................................................................1815 How to Follow This Flow Chart.............................................................................................................................1816 CONSULT-II CHECKING SYSTEM....................................................................................................................................1818 Function and System Application...........................................................................................................................1818 Nickel Metal Hydride Battery Replacement..................................................................................................................1818 Checking Equipment........................................................................................................................................1819 CONSULT-II Data Link Connector (DLC) Circuit..............................................................................................................1819 IDENTIFICATION INFORMATION....................................................................................................................................1820 Model Variation...........................................................................................................................................1820 Identification Number.....................................................................................................................................1821 Dimensions................................................................................................................................................1822 Wheels and Tires..........................................................................................................................................1822 LIFTING POINTS AND TOW TRUCK TOWING...........................................................................................................................1823 Preparation...............................................................................................................................................1823 Board-on Lift.............................................................................................................................................1823 Garage Jack and Safety Stand..............................................................................................................................1824 2-pole Lift...............................................................................................................................................1825 Tow Truck Towing..........................................................................................................................................1825 TIGHTENING TORQUE OF STANDARD BOLTS...........................................................................................................................1827 SAE J1930 TERMINOLOGY LIST....................................................................................................................................1828 SAE J1930 Terminology List................................................................................................................................1828 ha................................................................................................................................................................1833 QUICK REFERENCE INDEX......................................................................................................................................... 0 Table of Contents.............................................................................................................................................1833 PRECAUTIONS AND PREPARATION...................................................................................................................................1835 Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"...............................................................................1835 Precautions for Working with HFC-134a (R-134a)............................................................................................................1835 General Refrigerant Precautions...........................................................................................................................1836 Precautions for Leak Detection Dye........................................................................................................................1836 A/C Identification Label..................................................................................................................................1837 Precautions for Refrigerant Connection....................................................................................................................1837 Precautions for Servicing Compressor......................................................................................................................1840 Special Service Tools.....................................................................................................................................1841 HFC-134a (R-134a) Service Tools and Equipment.............................................................................................................1842 Precautions for Service Equipment.........................................................................................................................1846 DESCRIPTION...................................................................................................................................................1848 Refrigeration Cycle.......................................................................................................................................1848 V-6 Variable Displacement Compressor......................................................................................................................1849 Component Layout..........................................................................................................................................1852 Air Conditioner LAN System................................................................................................................................1853 Automatic Temperature Control (ATC) System................................................................................................................1855 Overview of Control System................................................................................................................................1856 Control Operation.........................................................................................................................................1856 Discharge Air Flow........................................................................................................................................1859 TROUBLE DIAGNOSES.............................................................................................................................................1861 How to Perform Trouble Diagnoses for Quick and Accurate Repair............................................................................................1861 Operational Check.........................................................................................................................................1862 Symptom Chart.............................................................................................................................................1868 Self-diagnosis............................................................................................................................................1869 Preliminary Check.........................................................................................................................................1887 Performance Test Diagnoses................................................................................................................................1895 Performance Chart.........................................................................................................................................1897 Trouble Diagnoses for Abnormal Pressure...................................................................................................................1898 Component Location........................................................................................................................................1901 Circuit Diagram/Without Navigation System.................................................................................................................1903 Wiring Diagram - A/C -/Without Navigation System..........................................................................................................1904 Circuit Diagram/With Navigation System....................................................................................................................1909 Wiring Diagram - A/C, A -/With Navigation System..........................................................................................................1910 Auto Amp. Terminals and Reference Value...................................................................................................................1915 Main Power Supply and Ground Circuit Check................................................................................................................1918 Self-diagnosis Circuit....................................................................................................................................1920 Multiplex Communication Circuit...........................................................................................................................1921 Ambient Sensor Circuit....................................................................................................................................1922 In-vehicle Sensor Circuit.................................................................................................................................1925 Intake Sensor Circuit.....................................................................................................................................1928 Sunload Sensor Circuit....................................................................................................................................1929 Mode Door Motor Circuit (LAN).............................................................................................................................1932 Air Mix Door Motor Circuit (LAN)..........................................................................................................................1934 Bi-level Door Motor Circuit (LAN).........................................................................................................................1936 LAN System Circuit........................................................................................................................................1938 Intake Door Motor Circuit.................................................................................................................................1941 Blower Motor Circuit......................................................................................................................................1945 Magnet Clutch Circuit.....................................................................................................................................1950 Rear Vent Door Motor Circuit..............................................................................................................................1954 Control Linkage Adjustment................................................................................................................................1955 SERVICE PROCEDURES............................................................................................................................................1957 HFC-134a (R-134a) Service Procedure.......................................................................................................................1957 Maintenance of Lubricant Quantity in Compressor...........................................................................................................1960 Refrigerant Lines.........................................................................................................................................1962 Checking Refrigerant Leaks................................................................................................................................1963 Electronic Refrigerant Leak Detector......................................................................................................................1963 Fluorescent Dye Leak Detector.............................................................................................................................1966 Compressor Mounting.......................................................................................................................................1967 Belt Tension..............................................................................................................................................1967 Fast Idle Control Device (FICD)...........................................................................................................................1967 Compressor................................................................................................................................................1968 Compressor Clutch.........................................................................................................................................1968 Ventilation Air Filter....................................................................................................................................1971 SERVICE DATA AND SPECIFICATIONS (SDS).........................................................................................................................1972 General Specifications....................................................................................................................................1972 Inspection and Adjustment.................................................................................................................................1972 SUPER MULTIPLE JUNCTION (SMJ)................................................................................................................................. 0 FUSE BLOCK - JUNCTION BOX (J/B)............................................................................................................................... 4 FUSE AND FUSIBLE LINK BOX..................................................................................................................................... 5 ELECTRICAL UNITS.............................................................................................................................................. 6 JOINT CONNECTOR (J/C)......................................................................................................................................... 7 idx...............................................................................................................................................................1973 QUICK REFERENCE INDEX......................................................................................................................................... 0 GI - General Information...................................................................................................................................... 0 MA - Maintenance.............................................................................................................................................. 0 EM - Engine Mechanical........................................................................................................................................ 0 LC - Engine Lubrication & Cooling Systems..................................................................................................................... 0 EC - Engine Control System.................................................................................................................................... 0 FE - Accelerator Control, Fuel & Exhaust Systems.............................................................................................................. 0 AT - Automatic Transmission................................................................................................................................... 0 PD - Propeller Shaft & Differential Carrier................................................................................................................... 0 FA - Front Axle & Front Suspension............................................................................................................................ 0 RA - Rear Axle & Rear Suspension.............................................................................................................................. 0 BR - Brake system............................................................................................................................................. 0 ST - Steerring System......................................................................................................................................... 0 RS - Restraint System......................................................................................................................................... 0 BT - Body & Trim.............................................................................................................................................. 0 HA - Heater & Air Conditioner................................................................................................................................. 0 EL - Electrical System........................................................................................................................................ 0 lc................................................................................................................................................................1981 QUICK REFERENCE INDEX......................................................................................................................................... 0 Table of Contents.............................................................................................................................................1981 PRECAUTIONS AND PREPARATION...................................................................................................................................1982 Liquid Gasket Application Procedure.......................................................................................................................1982 Special Service Tools.....................................................................................................................................1982 ENGINE LUBRICATION SYSTEM.....................................................................................................................................1983 Lubrication Circuit.......................................................................................................................................1983 Oil Pressure Check........................................................................................................................................1984 Oil Pump..................................................................................................................................................1985 ENGINE COOLING SYSTEM.........................................................................................................................................1988 Cooling Circuit...........................................................................................................................................1988 System Check..............................................................................................................................................1988 Water Pump................................................................................................................................................1989 Thermostat................................................................................................................................................1991 Radiator..................................................................................................................................................1993 Cooling Fan (Crankshaft driven)...........................................................................................................................1997 Cooling Fan (Motor driven)................................................................................................................................1997 Overheating Cause Analysis................................................................................................................................1998 SERVICE DATA AND SPECIFICATIONS (SDS).........................................................................................................................1999 Engine Lubrication System.................................................................................................................................1999 Engine Cooling System.....................................................................................................................................1999 ma................................................................................................................................................................2001 QUICK REFERENCE INDEX......................................................................................................................................... 0 Table of Contents.............................................................................................................................................2001 PRECAUTIONS AND PREPARATION...................................................................................................................................2002 Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"...............................................................................2002 Special Service Tool......................................................................................................................................2002 Commercial Service Tool...................................................................................................................................2002 GENERAL MAINTENANCE...........................................................................................................................................2003 PERIODIC MAINTENANCE..........................................................................................................................................2005 Schedule 1................................................................................................................................................2006 Schedule 2................................................................................................................................................2007 RECOMMENDED FLUIDS AND LUBRICANTS.............................................................................................................................2008 Fluids and Lubricants.....................................................................................................................................2008 SAE Viscosity Number......................................................................................................................................2008 Anti-freeze Coolant Mixture Ratio.........................................................................................................................2009 ENGINE MAINTENANCE............................................................................................................................................2010 Checking Drive Belts......................................................................................................................................2010 Changing Engine Coolant...................................................................................................................................2011 Checking Fuel Lines.......................................................................................................................................2012 Changing Fuel Filter......................................................................................................................................2013 Changing Air Cleaner Filter...............................................................................................................................2013 Changing Engine Oil.......................................................................................................................................2014 Changing Oil Filter.......................................................................................................................................2014 Changing Spark Plugs......................................................................................................................................2015 Checking EVAP Vapor Purge Lines...........................................................................................................................2016 CHASSIS AND BODY MAINTENANCE..................................................................................................................................2017 Checking Exhaust System...................................................................................................................................2017 Checking A/T Fluid........................................................................................................................................2017 Changing A/T Fluid........................................................................................................................................2018 Checking Differential Gear Oil............................................................................................................................2018 Changing Differential Gear Oil............................................................................................................................2018 Balancing Wheels (Bonding Weight Type)....................................................................................................................2018 Tire Rotation.............................................................................................................................................2019 Checking Brake Fluid Level and Leaks......................................................................................................................2019 Checking Brake Lines and Cables...........................................................................................................................2020 Changing Brake Fluid......................................................................................................................................2020 Checking Disc Brake.......................................................................................................................................2020 Checking Steering Gear and Linkage........................................................................................................................2021 Checking Power Steering Fluid and Lines...................................................................................................................2021 Lubricating Locks, Hinges and Hood Latches................................................................................................................2022 Checking Seat Belts, Buckles, Retractors, Anchors and Adjusters...........................................................................................2022 SERVICE DATA AND SPECIFICATIONS (SDS).........................................................................................................................2023 Engine Maintenance........................................................................................................................................2023 Chassis and Body Maintenance..............................................................................................................................2023 pd................................................................................................................................................................2025 QUICK REFERENCE INDEX......................................................................................................................................... 0 Table of Contents.............................................................................................................................................2025 PREPARATION...................................................................................................................................................2026 Special Service Tools.....................................................................................................................................2026 Commercial Service Tool...................................................................................................................................2028 NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING..........................................................................................................2029 NVH Troubleshooting Chart.................................................................................................................................2029 PROPELLER SHAFT...............................................................................................................................................2030 On-vehicle Service........................................................................................................................................2030 Removal...................................................................................................................................................2030 Installation..............................................................................................................................................2031 Inspection................................................................................................................................................2032 Disassembly...............................................................................................................................................2032 Assembly..................................................................................................................................................2033 ON-VEHICLE SERVICE/REMOVAL AND INSTALLATION...................................................................................................................2035 Front Oil Seal Replacement................................................................................................................................2035 Side Oil Seal Replacement.................................................................................................................................2035 Removal...................................................................................................................................................2036 Installation..............................................................................................................................................2036 FINAL DRIVE...................................................................................................................................................2037 DISASSEMBLY...................................................................................................................................................2038 Pre-inspection............................................................................................................................................2038 Differential Carrier......................................................................................................................................2038 Differential Case.........................................................................................................................................2040 INSPECTION....................................................................................................................................................2042 Contact Surfaces..........................................................................................................................................2042 Bearing...................................................................................................................................................2042 ADJUSTMENT....................................................................................................................................................2043 Differential Case.........................................................................................................................................2043 Side Bearing Preload......................................................................................................................................2044 Pinion Gear Height and Pinion Bearing Preload.............................................................................................................2045 Tooth Contact.............................................................................................................................................2050 ASSEMBLY......................................................................................................................................................2051 SERVICE DATA AND SPECIFICATIONS (SDS).........................................................................................................................2055 Propeller Shaft...........................................................................................................................................2055 Final Drive...............................................................................................................................................2055 ra................................................................................................................................................................2057 QUICK REFERENCE INDEX......................................................................................................................................... 0 Table of Contents.............................................................................................................................................2057 PRECAUTIONS AND PREPARATION...................................................................................................................................2058 Precautions...............................................................................................................................................2058 Special Service Tools.....................................................................................................................................2058 Commercial Service Tools..................................................................................................................................2059 NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING..........................................................................................................2060 NVH Troubleshooting Chart.................................................................................................................................2060 REAR SUSPENSION SYSTEM........................................................................................................................................2061 ON-VEHICLE SERVICE............................................................................................................................................2062 Rear Axle and Rear Suspension Parts.......................................................................................................................2062 Rear Wheel Bearing........................................................................................................................................2063 Rear Wheel Alignment......................................................................................................................................2063 Drive Shaft...............................................................................................................................................2064 REAR AXLE.....................................................................................................................................................2065 Wheel Hub and Axle Housing................................................................................................................................2065 Drive Shaft...............................................................................................................................................2071 REAR SUSPENSION...............................................................................................................................................2075 Removal and Installation..................................................................................................................................2076 Coil Spring and Shock Absorber............................................................................................................................2077 Multi-link and Lower Ball Joint...........................................................................................................................2078 Stabilizer Bar............................................................................................................................................2081 SERVICE DATA AND SPECIFICATIONS (SDS).........................................................................................................................2082 General Specifications....................................................................................................................................2082 Inspection and Adjustment.................................................................................................................................2082 rs................................................................................................................................................................2083 QUICK REFERENCE INDEX......................................................................................................................................... 0 Table of Contents.............................................................................................................................................2083 PRECAUTION....................................................................................................................................................2084 Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"...............................................................................2084 SEAT BELTS....................................................................................................................................................2085 Front Seat Belt...........................................................................................................................................2086 Rear Seat Belt............................................................................................................................................2087 Seat Belt Inspection......................................................................................................................................2089 Tether Anchor Plate.......................................................................................................................................2092 SUPPLEMENTAL RESTRAINT SYSTEM (SRS)...........................................................................................................................2093 Precautions for SRS "AIR BAG" and "SEAT BELT PRE-TENSIONER" Service.......................................................................................2093 Special Service Tools.....................................................................................................................................2093 Description...............................................................................................................................................2094 Seat Belt Pre-tensioner with Load Limiter.................................................................................................................2095 Built-in Type Side Air Bag................................................................................................................................2095 SRS Component Parts Location..............................................................................................................................2096 Maintenance Items.........................................................................................................................................2096 Removal and Installation - Diagnosis Sensor Unit, Seat Belt Pre-tensioner and Satellite Sensor............................................................2098 Removal - Driver Air Bag Module and Spiral Cable..........................................................................................................2100 Removal - Front Passenger Air Bag Module..................................................................................................................2101 Removal - Side Air Bag Module (Built-in type).............................................................................................................2102 Installation - Driver Air Bag Module and Spiral Cable.....................................................................................................2104 Installation - Front Passenger Air Bag Module.............................................................................................................2105 Installation - Side Air Bag Module (Built-in type)........................................................................................................2105 Disposal of Air Bag Module and Seat Belt Pre-tensioner....................................................................................................2106 TROUBLE DIAGNOSES - Supplemental Restraint System (SRS).......................................................................................................2112 Trouble Diagnoses Introduction............................................................................................................................2112 How to Perform Trouble Diagnoses for Quick and Accurate Repair............................................................................................2114 Schematic.................................................................................................................................................2116 Wiring Diagram - SRS -....................................................................................................................................2117 Self-diagnosis............................................................................................................................................2120 Trouble Diagnoses for Air Bag Warning Lamp................................................................................................................2138 Trouble Diagnosis for Seat Belt Pre-tensioner Warning Lamp................................................................................................2140 COLLISION DIAGNOSIS...........................................................................................................................................2142 SUPER MULTIPLE JUNCTION (SMJ)................................................................................................................................. 0 FUSE BLOCK - JUNCTION BOX (J/B)............................................................................................................................... 4 FUSE AND FUSIBLE LINK BOX..................................................................................................................................... 5 ELECTRICAL UNITS.............................................................................................................................................. 6 JOINT CONNECTOR (J/C)......................................................................................................................................... 7 st................................................................................................................................................................2147 QUICK REFERENCE INDEX......................................................................................................................................... 0 Table of Contents.............................................................................................................................................2147 PRECAUTIONS AND PREPARATION...................................................................................................................................2148 Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"...............................................................................2148 Precautions for Steering System...........................................................................................................................2148 Special Service Tools.....................................................................................................................................2149 Commercial Service Tools..................................................................................................................................2150 NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING..........................................................................................................2151 NVH Troubleshooting Chart.................................................................................................................................2151 ON-VEHICLE SERVICE............................................................................................................................................2152 Checking Steering Wheel Play..............................................................................................................................2152 Checking Neutral Position on Steering Wheel...............................................................................................................2152 Front Wheel Turning Angle.................................................................................................................................2152 Checking Gear Housing Movement............................................................................................................................2153 Adjusting Rack Retainer...................................................................................................................................2153 Checking and Adjusting Drive Belts (For power steering)...................................................................................................2153 Checking Fluid Level......................................................................................................................................2153 Checking Fluid Leakage....................................................................................................................................2154 Bleeding Hydraulic System.................................................................................................................................2154 Checking Steering Wheel Turning Force (For power steering)................................................................................................2155 Checking Hydraulic System.................................................................................................................................2155 STEERING WHEEL AND STEERING COLUMN............................................................................................................................2157 Removal...................................................................................................................................................2157 Installation..............................................................................................................................................2158 Disassembly and Assembly..................................................................................................................................2159 Inspection................................................................................................................................................2160 POWER STEERING GEAR AND LINKAGE...............................................................................................................................2161 Removal and Installation..................................................................................................................................2161 Disassembly...............................................................................................................................................2164 Inspection................................................................................................................................................2164 Assembly..................................................................................................................................................2166 Adjustment................................................................................................................................................2171 POWER STEERING OIL PUMP.......................................................................................................................................2173 Pre-disassembly Inspection................................................................................................................................2173 Disassembly...............................................................................................................................................2173 Inspection................................................................................................................................................2174 Assembly..................................................................................................................................................2174 TWIN ORIFICE POWER STEERING SYSTEM............................................................................................................................2176 Hydraulic Circuit.........................................................................................................................................2176 Wiring Diagram............................................................................................................................................2177 TWIN ORIFICE POWER STEERING SYSTEM - Trouble Diagnoses........................................................................................................2179 Precautions...............................................................................................................................................2179 Diagnostic Procedure......................................................................................................................................2180 Control Unit Inspection Table.............................................................................................................................2183 SERVICE DATA AND SPECIFICATIONS (SDS).........................................................................................................................2184 General Specifications....................................................................................................................................2184 Inspection and Adjustment.................................................................................................................................2184 SUPER MULTIPLE JUNCTION (SMJ)................................................................................................................................. 0 FUSE BLOCK - JUNCTION BOX (J/B)............................................................................................................................... 4 FUSE AND FUSIBLE LINK BOX..................................................................................................................................... 5 ELECTRICAL UNITS.............................................................................................................................................. 6 JOINT CONNECTOR (J/C)......................................................................................................................................... 7
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DESCRIPTION:
2001 INFINITI Q45 FY33 Series Service Manual PDF DOWNLOAD
FOREWORD
- This manual contains maintenance and repair procedures for the 2001 INFINITI Q45.
- In order to assure your safety and the efficient functioning of the vehicle, this manual should be read thoroughly.
- It is especially important that the PRECAUTIONS in the GI section be completely understood before starting any repair task.
- All information in this manual is based on the latest product information at the time of publication. The right is reserved to make changes in specifications and methods at any time without notice.
Important Safety Notice:
- The proper performance of service is essential for both the safety of the technician and the efficient functioning of the vehicle.
- The service methods in this Service Manual are described in such a manner that the service may be performed safely and accurately.
- Service varies with the procedures used, the skills of the technician and the tools and parts available.
- Accordingly, anyone using service procedures, tools or parts which are not specifically recommended by INFINITI must first completely satisfy himself that neither his safety nor the vehicle’s safety will be jeopardized by the service method selected.
PLEASE NOTE:
- This is the same manual used by the dealers to diagnose and troubleshoot your vehicle
- You will be directed to the download page as soon as the purchase is completed. The whole payment and downloading process will take anywhere between 2-5 minutes
- Need any other service / repair / parts manual, please feel free to contact [email protected] . We still have 50,000 manuals unlisted
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