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1998 INFINITI Q45 FY33 Series Service Manual PDF DOWNLOAD
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Description
1998 INFINITI Q45 FY33 Series Service Manual PDF DOWNLOAD
FILE DETAILS:
1998 INFINITI Q45 FY33 Series Service Manual PDF DOWNLOAD
Language : English
Pages : 1903
Downloadable : Yes
File Type : PDF
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TABLE OF CONTENTS:
1998 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 - Steering System...................................................................................................................... 0 RS - Restraint System..................................................................................................................... 0 BT - Body & Trim.......................................................................................................................... 0 HA - Heater & Air Conditioner............................................................................................................. 0 EL - Electrical System.................................................................................................................... 0 IDX - Alphabetical Index.................................................................................................................. 1 Foldout................................................................................................................................... 0 Comment Sheet............................................................................................................................. 3 Inch to Metric Conversion Table........................................................................................................... 4 Quick Reference Chart..................................................................................................................... 5 GST Mode 6 - Test Value & Test Limit Chart................................................................................................ 6 at............................................................................................................................................ 7 QUICK REFERENCE INDEX..................................................................................................................... 0 TABLE OF CONTENTS......................................................................................................................... 7 DIAGNOSTIC TROUBLE CODE INDEX............................................................................................................. 9 Alphabetical & P No. Index for DTC.................................................................................................... 9 PRECAUTIONS AND PREPARATION............................................................................................................... 10 Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"........................................... 10 Precautions for On Board Diagnostic (OBD) System of A/T and Engine.................................................................... 10 Precautions........................................................................................................................... 11 Service Notice or Precautions......................................................................................................... 12 Special Service Tools................................................................................................................. 14 OVERALL SYSTEM............................................................................................................................ 16 A/T Electrical Parts Location......................................................................................................... 16 Circuit Diagram....................................................................................................................... 17 Wiring Diagram........................................................................................................................ 18 Cross-sectional View.................................................................................................................. 24 Hydraulic Control Circuits............................................................................................................ 25 Shift Mechanism....................................................................................................................... 26 Control System........................................................................................................................ 35 Control Mechanism..................................................................................................................... 37 Control Valve......................................................................................................................... 42 ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION.................................................................................................... 44 Introduction.......................................................................................................................... 44 OBD-II Function for A/T System........................................................................................................ 44 One or Two Trip Detection Logic of OBD-II............................................................................................. 44 OBD-II Diagnostic Trouble Code (DTC).................................................................................................. 44 Malfunction Indicator Lamp (MIL)...................................................................................................... 48 CONSULT............................................................................................................................... 48 Diagnostic Procedure without CONSULT.................................................................................................. 55 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 Pressure Test......................................................................................................................... 67 Road Test............................................................................................................................. 69 TROUBLE DIAGNOSIS - General Description................................................................................................... 79 Symptom Chart......................................................................................................................... 79 TCM Terminals and Reference Value..................................................................................................... 82 DTC P0705, Inhibitor Switch............................................................................................................... 86 DTC P0710, A/T Fluid Temperature Sensor................................................................................................... 90 DTC P0720, Vehicle speed Sensor A/T (Revolution sensor)................................................................................... 94 DTC P0725, Engine Speed Signal........................................................................................................... 97 DTC P0731, A/T 1st Gear Function.......................................................................................................... 100 DTC P0732, A/T 2nd Gear Function.......................................................................................................... 105 DTC P0733, A/T 3rd Gear Function.......................................................................................................... 109 DTC P0734, A/T 4th Gear Function.......................................................................................................... 113 DTC P0740, Torque Converter Clutch Solenoid Valve......................................................................................... 121 DTC P0744, A/T TCC S/V Function (Lock-up)................................................................................................. 125 DTC P0745, Line Pressure Solenoid Valve................................................................................................... 132 DTC P0750, Shift Solenoid Valve A......................................................................................................... 136 DTC P0755, Shift Solenoid Valve B......................................................................................................... 140 DTC P1705, Throttle Position Sensor....................................................................................................... 144 DTC P1760, Overrun Clutch Solenoid Valve.................................................................................................. 150 TROUBLE DIAGNOSIS FOR BATT/FLUID TEMP SEN................................................................................................. 154 A/T Fluid Temperature Sensor Circuit and TCM Power Source............................................................................. 154 TROUBLE DIAGNOSIS FOR VHCL SPEED SEN-MTR.................................................................................................. 158 Vehicle Speed Sensor - MTR............................................................................................................ 158 TROUBLE DIAGNOSIS FOR TURVINE REV......................................................................................................... 161 Turbine Revolution Sensor............................................................................................................. 161 TROUBLE DIAGNOSIS FOR A/T COMM LINE....................................................................................................... 164 A/T Communication Line................................................................................................................ 164 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 Nof Shift: D4 - D3, When Overdrive Control Switch "ON" - "OFF"........................................................... 180 18. A/T Does Not Shift: D3 - 22, When Selector Lever "2" - "1" 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 (Inhibitor, Overdrive Control and Throttle Position Switch Circuit Checks)................... 182 TROUBLE DIAGNOSIS - A/T Shift Lock System................................................................................................. 188 A/T Shift Lock System................................................................................................................. 188 Wiring Diagram........................................................................................................................ 189 Diagnostic Procedure 1................................................................................................................ 191 Diagnostic Procedure 2................................................................................................................ 195 Shift Lock Control Unit Inspection.................................................................................................... 199 Shift Lock Control Unit Inspection Table.............................................................................................. 199 Component Check....................................................................................................................... 200 ON-VEHICLE SERVICE........................................................................................................................ 202 Control Valve Assembly and Accumulators............................................................................................... 202 Turbine Revolution Sensor Replacement................................................................................................. 202 Revolution Sensor Replacement......................................................................................................... 203 Rear Oil Seal Replacement............................................................................................................. 203 Parking Pawl Components Inspection.................................................................................................... 203 Inhibitor Switch Adjustment........................................................................................................... 204 Manual Control Linkage Adjustment..................................................................................................... 204 REMOVAL AND INSTALLATION.................................................................................................................. 205 Removal............................................................................................................................... 205 Installation.......................................................................................................................... 206 MAJOR OVERHAUL............................................................................................................................ 208 Oil Channel........................................................................................................................... 210 Locations of Needle Bearings, Thrust Washers and Snap Rings........................................................................... 211 REPAIR FOR COMPONENT PARTS................................................................................................................ 224 Oil Pump.............................................................................................................................. 224 Control Valve Assembly................................................................................................................ 228 Control Valve Upper Body.............................................................................................................. 234 Control Valve Lower Body.............................................................................................................. 239 Reverse Clutch........................................................................................................................ 241 High Clutch........................................................................................................................... 245 Forward and Overrun Clutches.......................................................................................................... 247 Low & Reverse Brake................................................................................................................... 251 Forward Clutch Drum Assembly.......................................................................................................... 255 Rear Internal Gear and Forward Clutch Hub............................................................................................. 257 Band Servo Piston Assembly............................................................................................................ 259 Parking Pawl Components............................................................................................................... 263 ASSEMBLY.................................................................................................................................. 265 Assembly (1).......................................................................................................................... 265 Adjustment............................................................................................................................ 270 Assembly (2).......................................................................................................................... 274 SERVICE DATA AND SPECIFICATIONS (SDS)..................................................................................................... 284 General Specifications................................................................................................................ 284 Specifications and Adjustment......................................................................................................... 284 br............................................................................................................................................ 288 QUICK REFERENCE INDEX..................................................................................................................... 0 TABLE OF CONTENTS......................................................................................................................... 288 PRECAUTIONS AND PREPARATION............................................................................................................... 290 Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"........................................................... 290 Precautions for Brake System.......................................................................................................... 290 Commercial Service Tools.............................................................................................................. 291 NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING...................................................................................... 292 NVH Troubleshooting Chart............................................................................................................. 292 CHECK AND ADJUSTMENT...................................................................................................................... 293 Checking Brake Fluid Level............................................................................................................ 293 Checking Brake Line................................................................................................................... 293 Changing Brake Fluid.................................................................................................................. 293 Bleeding Brake System................................................................................................................. 294 BRAKE HYDRAULIC LINE...................................................................................................................... 295 Removal............................................................................................................................... 295 Inspection............................................................................................................................ 295 Installation.......................................................................................................................... 295 CONTROL VALVE............................................................................................................................. 296 Proportioning Valve................................................................................................................... 296 BRAKE PEDAL AND BRACKET................................................................................................................... 297 Removal and Installation.............................................................................................................. 297 Inspection............................................................................................................................ 297 Adjustment............................................................................................................................ 297 MASTER CYLINDER........................................................................................................................... 299 Removal............................................................................................................................... 299 Disassembly........................................................................................................................... 299 Inspection............................................................................................................................ 300 Assembly.............................................................................................................................. 300 Installation.......................................................................................................................... 301 BRAKE BOOSTER............................................................................................................................. 302 On-vehicle Service.................................................................................................................... 302 Removal............................................................................................................................... 302 Inspection............................................................................................................................ 302 Installation.......................................................................................................................... 302 VACUUM HOSE............................................................................................................................... 304 Removal and Installation.............................................................................................................. 304 Inspection............................................................................................................................ 304 FRONT DISC BRAKE.......................................................................................................................... 305 Pad Replacement....................................................................................................................... 305 Components............................................................................................................................ 306 Removal............................................................................................................................... 306 Disassembly........................................................................................................................... 307 Inspection - Caliper.................................................................................................................. 307 Inspection - Rotor.................................................................................................................... 307 Assembly.............................................................................................................................. 308 Installation.......................................................................................................................... 308 Brake Burnishing Procedure............................................................................................................ 308 REAR DISC BRAKE........................................................................................................................... 309 Pad Replacement....................................................................................................................... 309 Components............................................................................................................................ 310 Removal............................................................................................................................... 310 Disassembly........................................................................................................................... 311 Inspection - Caliper.................................................................................................................. 311 Inspection - Rotor.................................................................................................................... 311 Assembly.............................................................................................................................. 312 Installation.......................................................................................................................... 312 REAR DISC BRAKE - Parking Drum Brake...................................................................................................... 313 Removal............................................................................................................................... 313 Inspection - Drum..................................................................................................................... 314 Inspection - Lining................................................................................................................... 315 Installation.......................................................................................................................... 315 Shoe Clearance Adjustment............................................................................................................. 316 Breaking in Drum and Lining........................................................................................................... 316 PARKING BRAKE CONTROL..................................................................................................................... 317 Removal and Installation.............................................................................................................. 317 Inspection............................................................................................................................ 318 Adjustment............................................................................................................................ 318 TRACTION CONTROL SYSTEM - TCS -........................................................................................................... 319 Purpose............................................................................................................................... 319 System Components..................................................................................................................... 320 ABS (Anti-lock brake system) Operation................................................................................................ 321 ABS Hydraulic Circuit................................................................................................................. 321 TCS (Traction Control system) Operation............................................................................................... 322 Throttle Control + Engine Control TCS System Configuration (Tandem Throttle System)................................................... 322 Secondary Throttle Fully-closed Position Self-learning Control........................................................................ 323 Removal and Installation.............................................................................................................. 324 TROUBLE DIAGNOSES......................................................................................................................... 328 How to Perform Trouble Diagnoses for Quick and Accurate Repair........................................................................ 328 Symptom Chart......................................................................................................................... 332 Preliminary Check (check brake fluid level in reservoir tank and brake line for leakage).............................................. 334 Component Parts and Harness Connector Location ....................................................................................... 335 Circuit Diagram for Quick Pinpoint Check.............................................................................................. 336 Wiring Diagram - TCS -................................................................................................................ 337 Self-diagnosis for ABS/TCS Control Unit............................................................................................... 347 CONSULT for ABS/TCS Control Unit...................................................................................................... 350 CONSULT Inspection Procedure for ABS/TCS Control Unit................................................................................. 351 Self-diagnosis for TAC Module......................................................................................................... 358 CONSULT for TAC Module................................................................................................................ 360 CONSULT Inspection Procedure for TAC Module........................................................................................... 361 Ground Circuit Check.................................................................................................................. 367 TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMS............................................................................................... 368 Diagnostic Procedure 1 (Engine system)................................................................................................ 368 Diagnostic Procedure 2 (TAC module communication)..................................................................................... 368 Diagnostic Procedure 3 (Engine speed signal).......................................................................................... 371 Diagnostic Procedure 4 (LAN monitoring)............................................................................................... 372 Diagnostic Procedure 5 (LAN communication start procedures incomplete)................................................................ 373 Diagnostic Procedure 6 (LAN communication system failure)............................................................................. 374 Diagnostic Procedure 7 (Wheel sensor or rotor)........................................................................................ 375 Diagnostic Procedure 8 (ABS actuator solenoid valve).................................................................................. 377 Diagnostic Procedure 9 (Solenoid valve relay)......................................................................................... 378 Diagnostic Procedure 10 (Motor relay or motor)........................................................................................ 381 Diagnostic Procedure 11 (Low voltage) ................................................................................................ 384 Diagnostic Procedure 12 (Control unit)................................................................................................ 385 Diagnostic Procedure 13 (Power supply and ground circuit for TAC module).............................................................. 386 Diagnostic Procedure 14 (Throttle position sensor signal input circuit)............................................................... 388 Diagnostic Procedure 15 (Secondary throttle posiiton sensor signal input circuit)..................................................... 389 Diagnostic Procedure 16 (Secondary throttle valve operating signal circuit and throttle valve opening signal circuit)................. 390 Diagnostic Procedure 17 (Throttle motor circuit)...................................................................................... 392 Diagnostic Procedure 18 (Throttle motor relay circuit for open circuit and short circuit)............................................. 393 Diagnostic Procedure 19 (Power supply circuit for sensor)............................................................................. 396 Diagnostic Procedure 20 (Secondary throttle return spring)............................................................................ 396 Diagnostic Procedure 21 (Start signal circuit)........................................................................................ 397 Diagnostic Procedure 22 (Inhibitor switch circuit).................................................................................... 398 TROUBLE DIAGNOSES FOR SYMPTOMS............................................................................................................ 400 Diagnostic Procedure 23 (SLIP indicator does not come on when ignition switch is turned on)........................................... 400 Diagnostic Procedure 24 (TCS OFF indicator does not come on when ignition switch is turned on)........................................ 401 Diagnostic Procedure 25 (ABS warning lamp does not come on when ignition switch is turned on)......................................... 402 Diagnostic Procedure 26 (ABS warning lamp stays on when ignition switch is turned on)................................................. 404 Diagnostic Procedure 27 (TCS OFF switch is inoperative)............................................................................... 407 Diagnostic Procedure 28 (ABS works frequently)........................................................................................ 408 Diagnostic Procedure 29 (Unexpected pedal action)..................................................................................... 409 Diagnostic Procedure 30 (Long stopping distance)...................................................................................... 409 Diagnostic Procedure 31 (ABS does not work.).......................................................................................... 410 Diagnostic Procedure 32 (Pedal vibration and noise)................................................................................... 410 Electrical Component Inspection....................................................................................................... 411 SERVICE DATA AND SPECIFICATIONS (SDS)..................................................................................................... 416 General Specifications................................................................................................................ 416 Inspection and Adjustment............................................................................................................. 416 bt............................................................................................................................................ 417 QUICK REFERENCE INDEX..................................................................................................................... 0 TABLE OF CONTENTS......................................................................................................................... 417 PRECAUTIONS............................................................................................................................... 418 Service Notice........................................................................................................................ 418 Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"........................................................... 418 GENERAL SERVICING......................................................................................................................... 419 Clip and Fastener..................................................................................................................... 419 BODY END.................................................................................................................................. 421 Body Front End........................................................................................................................ 421 Body Rear End and Opener.............................................................................................................. 424 DOOR...................................................................................................................................... 427 Front Door............................................................................................................................ 427 Rear Door............................................................................................................................. 428 INSTRUMENT PANEL.......................................................................................................................... 429 INTERIOR TRIM............................................................................................................................. 433 Side and Floor Trim................................................................................................................... 433 Door Trim............................................................................................................................. 435 Roof Trim............................................................................................................................. 437 Trunk Room Trim....................................................................................................................... 439 EXTERIOR.................................................................................................................................. 440 SEAT...................................................................................................................................... 448 Front Seat............................................................................................................................ 448 Heated Seat........................................................................................................................... 450 Rear Seat............................................................................................................................. 451 SUNROOF................................................................................................................................... 452 Trouble Diagnoses..................................................................................................................... 456 WINDSHIELD AND WINDOWS.................................................................................................................... 460 Windshield and Rear Window............................................................................................................ 461 MIRROR.................................................................................................................................... 462 Door Mirror........................................................................................................................... 462 BODY ALIGNMENT............................................................................................................................ 463 Engine Compartment.................................................................................................................... 463 Underbody............................................................................................................................. 465 ec............................................................................................................................................ 467 QUICK REFERENCE INDEX..................................................................................................................... 0 TABLE OF CONTENTS......................................................................................................................... 467 DIAGNOSTIC TROUBLE CODE INDEX............................................................................................................. 470 Alphabetical & P No. Index for DTC.................................................................................................... 470 PRECAUTIONS AND PREPARATION............................................................................................................... 474 Commercial Service Tools.............................................................................................................. 474 Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"........................................................... 475 Precautions for On Board Diagnostic (OBD) System of Engine and A/T.................................................................... 475 Engine Fuel & Emission Control System................................................................................................. 476 Precautions........................................................................................................................... 477 System Chart.......................................................................................................................... 479 ENGINE AND EMISSION CONTROL OVERALL SYSTEM................................................................................................ 480 Circuit Diagram....................................................................................................................... 480 System Diagram........................................................................................................................ 482 ECCS Component Parts Location......................................................................................................... 484 Vacuum Hose Drrawing.................................................................................................................. 486 ENGINE AND EMISSION BASIC CONTROL SYSTEM DESCRIPTION..................................................................................... 488 Multiport Fuel Injection (MFI) system................................................................................................. 488 Electronic Ignition (EI) system....................................................................................................... 490 Air Conditioning Cut Control.......................................................................................................... 491 Fuel Cut Control (at no load & high engine speed)..................................................................................... 492 EVAPORATIVE EMISSION SYSTEM............................................................................................................... 493 Description........................................................................................................................... 494 Inspection............................................................................................................................ 494 Evaporative Emission Line Drawing (For California).................................................................................... 497 POSITIVE CRANKCASE VENTILATION............................................................................................................ 499 Description........................................................................................................................... 499 Inspection............................................................................................................................ 499 BASIC SERVICE PROCEDURE................................................................................................................... 500 Fuel Pressure Release................................................................................................................. 500 Fuel Pressure Check................................................................................................................... 500 Injector Removal and Installation..................................................................................................... 501 Fast Idle Cam (FIC) Inspection and Adjustment......................................................................................... 502 Direct Ignition System - How to Check Idle Speed and Ignition Timing.................................................................. 502 Idle Speed/Ignition Timing/Idle Mixture Ratio Adjustment.............................................................................. 504 ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION.................................................................................................... 511 Introduction.......................................................................................................................... 511 Two Trip Detection Logic.............................................................................................................. 511 Emission-related Diagnostic Information............................................................................................... 512 Malfunction Indicator Lamp (MIL)...................................................................................................... 525 OBD System Operation Chart............................................................................................................ 529 CONSULT............................................................................................................................... 534 Generic Scan Tool (GST)............................................................................................................... 547 TROUBLE DIAGNOSIS - Introduction.......................................................................................................... 549 Introduction.......................................................................................................................... 549 Diagnostic Worksheet.................................................................................................................. 549 TROUBLE DIAGNOSIS - Work Flow............................................................................................................. 551 Work Flow............................................................................................................................. 551 Description for Work Flow............................................................................................................. 552 TROUBLE DIAGNOSIS - Basic Inspection...................................................................................................... 553 Basic Inspection...................................................................................................................... 553 TROUBLE DIAGNOSIS - General Description................................................................................................... 555 Diagnostic Trouble Code (DTC) Inspection Priority Chart............................................................................... 555 Fail-Safe Chart....................................................................................................................... 556 Symptom Matrix Chart.................................................................................................................. 557 CONSULT Reference Value in Data Monitor Mode.......................................................................................... 560 Major Sensor Reference Graph in Data Monitor Mode..................................................................................... 563 ECM Terminals and Reference Value..................................................................................................... 565 TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT............................................................................................... 575 Description........................................................................................................................... 575 Common I/I Report Situations.......................................................................................................... 575 Diagnostic Procedure.................................................................................................................. 575 TROUBLE DIAGNOSIS FOR POWER SUPPLY........................................................................................................ 576 Main Power Supply and Ground Circuit.................................................................................................. 576 DTC P0100, Mass Air Flow Sensor (MAFS).................................................................................................... 581 DTC P0105, Absolute Pressure Sensor (For California)...................................................................................... 589 DTC P0110, Intake Air Temperature Sensor.................................................................................................. 598 DTC P0115, Engine Coolant Temperature Sensor (ECTS)....................................................................................... 604 DTC P0120, Throttle Position Sensor....................................................................................................... 609 DTC P0125, Engine Coolant Temperature (ECT) Sensor........................................................................................ 619 DTC P0130 (-B1), P0150 (-B2), Front Heated Oxygen Sensors (Front HO2S) (Circuit) (P0130: Left bank), (P0150: Right bank).................. 624 DTC P0131 (-B1), P0151 (-B2), Front Heated Oxygen Sensor (Lean shift monitoring) (Front HO2S) (P0131: Left bank), (P0151: Right bank)..... 631 DTC P0132 (-B1), P0152 (-B2), Front Heated Oxygen Sensor (Right shift monitoring) (Front HO2S) (P0132: Left bank), (P0152: Right bank).... 637 DTC P0133 (-B1), P0153 (-B2), Front Heated Oxygen Sensor (Response monitoring) (Front HO2S) (P0133: Left bank), (P0153: Right bank)....... 643 DTC P0134 (-B1), P0154 (-B2), Front Heated Oxygen Sensor (High voltage) (Front HO2S) (P0134: Left bank), (P015: Right bank)............... 652 DTC P0135 (-B1), P0155 (-B2), Front Heated Oxygen Sensor Heater (P0135: Left bank), (P0155: Right bank)................................... 658 DTC P0137 (-B1), P0157 (-B2), Rear Heated Oxygen Sensor (Min. Voltage Monitoring) (Rear HO2S) (P0137: Left bank), (P0157: Right bank)..... 663 DTC P0138 (-B1), P0158 (-B2), Rear Heated Oxygen Sensor (Max. Voltage Monitoring) (Rear HO2S) (P0138: Left bank), (P0158: Right bank)..... 671 DTC P0139 (-B1), P0159 (-B2), Rear Heated Oxygen Sensor (Response Monitoring) (Rear HO2S) (P0139: Left bank), (P0159: Right bank)......... 679 DTC P0140 (-B1), P0160 (-B2), Rear Heated Oxygen Sensor (High voltage) (Rear HO2S) (P0140: Left bank), (P0160: Right bank)................ 686 DTC P0141 (-B1), P0161 (-B2), Rear Heated Oxygen Sensor Heaters (P0141: Left bank), (P0161: Right bank)................................... 692 DTC P0171 (B1), P0174 (-B2), Fuel Injection System Function (Lean side) (P0171: Left bank), (P0174: Right bank)........................... 698 DTC P0172 (-B1), P0175 (-B2), Fuel Injection System Function (Rich side) (P0172: Left bank), (P1175: Right bank).......................... 705 DTC P0180, Tank Fuel Temperature Sensor (For California).................................................................................. 711 DTC P0300 - P0308, No. 1 - 8 cylinder Misfire, Multiple Cylinder Misfure.................................................................. 716 DTC P0325 (-B1), P0330 (-B2), Knock Sensor (KS) (P0325: Left bank), (P0330: Right bank)................................................... 721 DTC P0335, Crankshaft Position Sensor (CKPS) (OBD)........................................................................................ 724 DTC P0340, Camshaft Position Sensor (CMPS)................................................................................................ 729 DTC P0400, EGR Function (Close)........................................................................................................... 735 DTC P0402, EGRC-BPT Valve Function........................................................................................................ 745 DTC P0420 (-B1), P0430 (-B2), Three Way Catalyst Function (P0420: Left bank), (P0430: Right bank)......................................... 750 DTC P0440, Evaporative Emission (EVAP) Control System (Small Leak) (Negative Pressure) (for California)................................... 753 DTC P0443, Evaporative Emission (EVAP) Canister Purge Volume Control Valve (Circuit) (For California)..................................... 763 DTC P0446, Evaporative Emission (EVAP) Canister Vent Control Valve (Circuit) (for California)............................................. 769 DTC P0450, Evaporative Emission (EVAP) control System Pressure Sensor (For California).................................................... 774 DTC P0500, Vehicle Speed Sensor (VSS)..................................................................................................... 780 DTC P0505, Idle Air Control Valve (IACV) - Auxiliary air Control (AC) Valve............................................................... 784 DTC P0510, Closed Throttle Position Switch (for California)............................................................................... 790 DTC P0600, P1605, A/T Communication Line (P0600) and A/T Diagnostic Communication Line (P1605)............................................ 795 DTC P0605, Engine Control Module (ECM)-ECCS Control Module................................................................................ 798 DTC P1105, Manifold Absolute Pressure (MAP)/Barometric Pressure (BARO) Switch Solenoid Valve (for Calfiornia)............................. 800 DTC P1110 (-B1), P1135 (-B2), Intake Valve Timing Control (P1110: Left bank), (P1135: Right bank)......................................... 806 DTC P1120, Secondary Throttle Position Sensor (STPS)..................................................................................... 813 DTC P1125, Tandem Throttle Position Sensor................................................................................................ 818 DTC P1140 (-B1), P1145 (-B2), Intake Valve Timing Control Position Sensor (P1140: Left bank), (P1145: Right bank)......................... 819 DTC P1148 (-B1), P1168 (-B2), Closed Loop Control......................................................................................... 825 DTC P1210, Traction Control System (TCS ( Signal Circuit.................................................................................. 827 DTC P1220, Fuel Pump Control Module (FPCM)................................................................................................ 830 DTC P1320, Ignition Signal................................................................................................................ 836 DTC P1336, Crankshaft Position Sensor (CKPS) (OBD) (COG).................................................................................. 844 DTC P1400, EGRC-solenoid Valve (for California) or EGR Valve and EVAP Canister Purge Control Solenoid Valve (Except for California)....... 849 DTC P1401, EGR Temperature Sensor......................................................................................................... 854 DTC P1402, EGR Function (Open)............................................................................................................ 860 DTC P1440, Evaporative Emission (EVAP) Control System (Small Leak) (Positive Pressure) (for California)................................... 869 DTC P1444, Evaporative Emission (EVAP) Canister Purge Volume Control Valve (for California)............................................... 880 DTC P1446, Evaporative Emission (EVAP) Canister Vent Control Valve (Close) (For California)............................................... 887 DTC P1447, Evaporative Emission (EVAP) Control System Purge Flow Monitoring (For California).............................................. 892 DTC P1448, Evaporative Emission (EVAP) Canister Vent Control Valve (Open) (For California)................................................ 899 DTC P1490, Vacuum Cut Valve Bypass Valve (Circuit) (for California)....................................................................... 905 DTC P1491, Vacuum Cut Valve Bypass Valve (For California)................................................................................. 910 DTC P1492, Evaporative Emission (EVAP) Canister Purge Control Valve/Solenoid Valve (Circuit) (for California)............................. 916 DTC P1493, Evaporative Emission (EVAP) Canister Purge Control Valve/Solenoid Valve (For California)....................................... 921 DTC P1706, Park/Neutral Position Switch................................................................................................... 928 TROUBLE DIAGNOSIS FOR ABS/TCS C/U SIGNAL.................................................................................................. 933 ABS/TCS Control Unit.................................................................................................................. 933 TROUBLE DIAGNOSIS FOR ECM - ABS/TCS COMM NG............................................................................................... 934 ABS/TCS Communication Line............................................................................................................ 934 TROUBLE DIAGNOSIS FOR OVERHEAT............................................................................................................ 937 Overheat.............................................................................................................................. 937 TROUBLE DIAGNOSIS FOR NON-DETECTABLE ITEMS................................................................................................ 950 Injector.............................................................................................................................. 950 Start Signal.......................................................................................................................... 956 Fuel Pump Control..................................................................................................................... 958 Power Steering Oil Pressure Switch.................................................................................................... 962 Electrical Load Signal................................................................................................................ 967 MIL & Data Link Connectors............................................................................................................ 970 SERVICE DATA AND SPECIFICATIONS (SDS)..................................................................................................... 971 General Specifications................................................................................................................ 971 Inspection and Adjustment............................................................................................................. 971 el............................................................................................................................................ 973 QUICK REFERENCE INDEX..................................................................................................................... 0 TABLE OF CONTENTS......................................................................................................................... 973 PRECAUTIONS............................................................................................................................... 977 Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"........................................................... 977 POWER SUPPLY ROUTING...................................................................................................................... 978 Schematic............................................................................................................................. 978 Wiring Diagram - POWER -.............................................................................................................. 979 Fuse.................................................................................................................................. 986 Fusible Link.......................................................................................................................... 986 Circuit Breaker Inspection............................................................................................................ 986 GROUND DISTRIBUTION....................................................................................................................... 987 Engine Room Harness................................................................................................................... 987 Main Harness.......................................................................................................................... 988 Engine Control Harness................................................................................................................ 990 Engine Harness........................................................................................................................ 992 Body Harness.......................................................................................................................... 993 Body No. 2 Harness.................................................................................................................... 994 BATTERY................................................................................................................................... 995 How to Handle Battery................................................................................................................. 995 Service Data and Specifications (SDS)................................................................................................. 997 STARTING SYSTEM........................................................................................................................... 998 System Description.................................................................................................................... 998 Wiring Diagram - START -.............................................................................................................. 999 Construction..........................................................................................................................1000 Removal and Installation..............................................................................................................1000 Pinion/Clutch Check...................................................................................................................1001 Service Data and Specifications (SDS).................................................................................................1001 CHARGING SYSTEM...........................................................................................................................1002 System Description....................................................................................................................1002 Wiring Diagram - CHARGE -.............................................................................................................1003 Trouble Diagnoses.....................................................................................................................1004 Removal and Installation..............................................................................................................1004 Construction..........................................................................................................................1005 Service Data and Specifications (SDS).................................................................................................1005 COMBINATION SWITCH........................................................................................................................1006 Check.................................................................................................................................1006 Replacement...........................................................................................................................1007 STEERING SWITCH...........................................................................................................................1008 Check.................................................................................................................................1008 HEADLAMP..................................................................................................................................1009 Component Parts and Harness Connector Location........................................................................................1009 System Description (For U.S.A.).......................................................................................................1009 Schematic (For U.S.A.)................................................................................................................1011 Wiring Diagram (For U.S.A.) - H/LAMP -................................................................................................1012 CONSULT (For auto light operation)....................................................................................................1016 Trouble Diagnoses/Auto Light Operation................................................................................................1016 Trouble Diagnoses/Headlamp............................................................................................................1022 Daytime Light System/System Description (For Canada)..................................................................................1023 Schematic (For Canada)................................................................................................................1025 Wiring Diagram (for Canada) - DTRL -..................................................................................................1026 Trouble Diagnoses (For Canada)........................................................................................................1030 Bulb Replacement......................................................................................................................1032 Bulb Specifications...................................................................................................................1032 Aiming Adjustment.....................................................................................................................1032 PARKING, LICENSE AND TAIL LAMPS...........................................................................................................1034 System Description....................................................................................................................1034 Schematic.............................................................................................................................1035 Wiring Diagram - TAIL/L -.............................................................................................................1036 Trouble Diagnoses.....................................................................................................................1039 STOP LAMP.................................................................................................................................1040 Wiring Diagram - STOP/L -.............................................................................................................1040 BACK-UP LAMP..............................................................................................................................1042 Wiring Diagram - BACK/L -.............................................................................................................1042 FRONT FOG LAMP............................................................................................................................1043 System Description....................................................................................................................1043 Wiring Diagram - F/FOG -..............................................................................................................1044 Aiming Adjustment.....................................................................................................................1045 Bulb Specifications...................................................................................................................1045 TURN SIGNAL AND HAZARD WARNING LAMPS......................................................................................................1046 System Description....................................................................................................................1046 Schematic.............................................................................................................................1048 Wiring Diagram - TURN -...............................................................................................................1049 Trouble Diagnoses.....................................................................................................................1052 Electrical Components Inspection......................................................................................................1052 ILLUMINATION..............................................................................................................................1053 System Description....................................................................................................................1053 Schematic.............................................................................................................................1054 Wiring Diagram - ILL -................................................................................................................1055 TRUNK ROOM AND VANITY MIRROR LAMP.........................................................................................................1061 Wiring Diagram - INT/L -..............................................................................................................1061 METER AND GAUGES..........................................................................................................................1062 Component Parts and Harness Connector Location........................................................................................1062 System Description....................................................................................................................1062 Combination Meter.....................................................................................................................1063 Wiring Diagram - METER -..............................................................................................................1064 Trouble Diagnoses.....................................................................................................................1065 Electrical Components Inspection......................................................................................................1068 WARNING LAMPS.............................................................................................................................1069 System Description....................................................................................................................1069 Schematic.............................................................................................................................1071 Wiring Diagram - WARN -...............................................................................................................1072 CONSULT (For door warning lamp).......................................................................................................1076 Trouble Diagnoses/Door Warning Lamp...................................................................................................1077 Trouble Diagnoses/Stop and Tail Lamp Sensor...........................................................................................1079 Electrical Components Inspection......................................................................................................1080 A/T INDICATOR.............................................................................................................................1081 Schematic.............................................................................................................................1081 Wiring Diagram - AT/IND -.............................................................................................................1082 WARNING CHIME.............................................................................................................................1085 Component Parts and Harness Connector Location........................................................................................1085 System Description....................................................................................................................1085 Wiring Diagram - CHIME -..............................................................................................................1087 CONSULT...............................................................................................................................1089 Trouble Diagnoses.....................................................................................................................1090 Electrical Components Inspection......................................................................................................1094 WIPER AND WASHER..........................................................................................................................1095 Component Parts and Harness Connector Location........................................................................................1095 System Description....................................................................................................................1095 Schematic.............................................................................................................................1097 Wiring Diagram - WIPER -..............................................................................................................1098 CONSULT...............................................................................................................................1101 Trouble Diagnoses.....................................................................................................................1102 Removal and Installation..............................................................................................................1108 Washer Nozzle Adjustment..............................................................................................................1109 Washer Tube Layout....................................................................................................................1110 HORN......................................................................................................................................1111 Wiring Diagram - HORN -...............................................................................................................1111 CIGARETTE LIGHTER.........................................................................................................................1112 Wiring Diagram - CIGAR -..............................................................................................................1112 CLOCK.....................................................................................................................................1113 Wiring Diagram - CLOCK -..............................................................................................................1113 REAR WINDOW DEFOGGER......................................................................................................................1114 Component Parts and Harness Connector Location........................................................................................1114 System Description....................................................................................................................1114 Wiring Diagram - DEF -................................................................................................................1115 CONSULT...............................................................................................................................1117 Trouble Diagnoses.....................................................................................................................1118 Filament Check........................................................................................................................1121 Filament Repair.......................................................................................................................1122 AUDIO.....................................................................................................................................1123 System Description....................................................................................................................1123 Schematic.............................................................................................................................1124 Wiring Diagram - AUDIO -..............................................................................................................1125 Trouble Diagnoses.....................................................................................................................1132 AUDIO ANTENNA.............................................................................................................................1134 System Description....................................................................................................................1134 Wiring Diagram - P/ANT -..............................................................................................................1135 Trouble Diagnoses.....................................................................................................................1136 Location of Antenna...................................................................................................................1136 Antenna Rod Replacement...............................................................................................................1136 Widnow Antenna Repair.................................................................................................................1137 TELEPHONE (Pre wire)......................................................................................................................1138 Wiring Diagram - PHONE -..............................................................................................................1138 TRUNK LID AND FUEL FILLER LID OPENER......................................................................................................1140 Wiring Diagram - T&FLID -.............................................................................................................1140 ELECTRIC SUNROOF..........................................................................................................................1142 Wiring Diagram - SROOF -..............................................................................................................1142 DOOR MIRROR...............................................................................................................................1144 Wiring Diagram - MIRROR -.............................................................................................................1144 AUTO ANTI-DAZZLING INSIDE MIRROR..........................................................................................................1145 Wiring Diagram - I/MIRR -.............................................................................................................1145 POWER SEAT (Passenger side)...............................................................................................................1146 Schematic.............................................................................................................................1146 Wiring Diagram - SEAT -...............................................................................................................1147 HEATED SEAT...............................................................................................................................1151 Wiring Diagram - HSEAT -..............................................................................................................1151 AUTOMATIC SPEED CONTROL DEVICE (ASCD).....................................................................................................1153 Component Parts and Harness Connector Location........................................................................................1153 System Description....................................................................................................................1154 Schematic.............................................................................................................................1156 Wiring Diagram - ASCD -...............................................................................................................1157 CONSULT...............................................................................................................................1162 Fail-safe System......................................................................................................................1164 Fail-safe System Check................................................................................................................1165 Trouble Diagnoses.....................................................................................................................1166 Electrical Components Inspection......................................................................................................1174 ASCD Wire Adjustment..................................................................................................................1175 IVMS (LAN)................................................................................................................................1176 Overall Description...................................................................................................................1176 Component Parts Location..............................................................................................................1177 System Diagram........................................................................................................................1178 Sleep/Wake-up Control.................................................................................................................1179 Fail-safe System......................................................................................................................1179 CONSULT...............................................................................................................................1180 On-board Diagnosis....................................................................................................................1187 On-board Diagnosis - Mode I (IVMS communication diagnosis)............................................................................1187 On-board Diagnosis - Mode II (Switch monitor).........................................................................................1190 Schematic.............................................................................................................................1192 Wiring Diagram - COMM -...............................................................................................................1193 Trouble Diagnoses.....................................................................................................................1197 BCM (Body Control Module).................................................................................................................1201 Schematic.............................................................................................................................1201 LOCAL CONTROL UNITS (LCUs)................................................................................................................1203 Schematic.............................................................................................................................1203 POWER WINDOW - IVMS.......................................................................................................................1207 Component Parts and Harness Connector Location........................................................................................1207 System Description....................................................................................................................1207 Schematic.............................................................................................................................1208 Wiring Diagram - WINDOW -.............................................................................................................1209 CONSULT ..............................................................................................................................1213 On-board Diagnosis - Mode IV (Driver Power window automatic operation)................................................................1214 Trouble Diagnoses.....................................................................................................................1216 POWER DOOR LOCK - IVMS....................................................................................................................1222 Component Parts and Harness Connector Location........................................................................................1222 System Description....................................................................................................................1223 Schematic.............................................................................................................................1224 Wiring Diagram - D/LOCK -.............................................................................................................1225 CONSULT...............................................................................................................................1229 On-board Diagnosis - Mode III (Power door lock operation).............................................................................1232 Trouble Diagnoses.....................................................................................................................1234 MULTI-REMOTE CONTROL SYSTEM - IVMS........................................................................................................1243 Component Parts and Harness Connector Location........................................................................................1243 System Description....................................................................................................................1244 Schematic.............................................................................................................................1246 Wiring Diagram - MULTI -..............................................................................................................1247 CONSULT...............................................................................................................................1253 Trouble Diagnoses.....................................................................................................................1254 Electrical Components Inspection......................................................................................................1262 ID Code Entry Procedure...............................................................................................................1263 INTERIOR ILLUMINATION CONTROL - IVMS......................................................................................................1266 System Description....................................................................................................................1266 Schematic.............................................................................................................................1270 Wiring Diagram - ROOM/L -.............................................................................................................1271 CONSULT...............................................................................................................................1278 Trouble Diagnoses.....................................................................................................................1279 STEP LAMP - IVMS..........................................................................................................................1288 Component Parts and Harness Connector Locations.......................................................................................1288 System Description....................................................................................................................1289 Schematic.............................................................................................................................1290 Wiring Diagram - STEP/L -.............................................................................................................1291 CONSULT...............................................................................................................................1296 Trouble Diagnoses.....................................................................................................................1297 REAR POWER WINDOW SWITCH ILLUMINATION - IVMS..............................................................................................1299 System Description....................................................................................................................1299 Wiring Diagram - SW/ILL -.............................................................................................................1300 CONSULT...............................................................................................................................1302 Trouble Diagnoses.....................................................................................................................1303 THEFT WARNING SYSTEM - IVMS...............................................................................................................1304 Component Parts Harness Connector Location............................................................................................1304 System Description....................................................................................................................1305 Schematic.............................................................................................................................1307 Wiring Diagram - THEFT -..............................................................................................................1308 CONSULT...............................................................................................................................1316 Trouble Diagnoses.....................................................................................................................1317 AUTOMATIC DRIVE POSITIONER - IVMS.........................................................................................................1330 Component Parts and Harness Connector Location........................................................................................1330 System Description....................................................................................................................1331 Schematic.............................................................................................................................1335 Wiring Diagram - AUT/DP -.............................................................................................................1336 CONSULT...............................................................................................................................1343 On-board Diagnosis - Mode V (automatic drive positioner operation)....................................................................1347 Trouble Diagnoses.....................................................................................................................1349 IPPS (Infiniti Personal Protection System - NATS).........................................................................................1375 Component Parts and Harness Connector Location........................................................................................1375 System Description....................................................................................................................1376 System Composition....................................................................................................................1376 Wiring Diagram - NATS -...............................................................................................................1377 CONSULT...............................................................................................................................1378 Trouble Diagnoses.....................................................................................................................1380 How to Replace NATS Antenna Amp.......................................................................................................1393 INTEGRATED HOMELINK TRANSMITTER...........................................................................................................1394 Wiring Diagram - TRNSMT -.............................................................................................................1394 Trouble Diagnoses.....................................................................................................................1395 LOCATION OF ELECTRICAL UNITS..............................................................................................................1396 Engine Compartment....................................................................................................................1396 Luggage Compartment...................................................................................................................1397 Passenger Compartment.................................................................................................................1398 HARNESS LAYOUT............................................................................................................................1401 Outline...............................................................................................................................1401 How to Read Harness Layout............................................................................................................1402 Engine Room Harness...................................................................................................................1403 Instrument Harness....................................................................................................................1406 Main Harness..........................................................................................................................1407 Engine Control Harness................................................................................................................1409 Body Harness and Tail Harness.........................................................................................................1411 Body No. 2 Harness....................................................................................................................1413 Engine Harness........................................................................................................................1415 Room Lamp Harness.....................................................................................................................1416 Air Bag Harness.......................................................................................................................1417 Front Door Harness....................................................................................................................1418 Rear Door Harness.....................................................................................................................1419 SPLICE LOCATION...........................................................................................................................1420 How to Read Splice Location...........................................................................................................1420 Engine Room Harness...................................................................................................................1421 Main Harness..........................................................................................................................1423 Instrument Harness....................................................................................................................1424 Engine Control Harness................................................................................................................1425 Engine Harness........................................................................................................................1426 Body Harness and Tail Harness.........................................................................................................1427 Body No. 2 Harness....................................................................................................................1428 Room Lamp Harness.....................................................................................................................1429 Front Door Harness....................................................................................................................1430 Rear Door Harness.....................................................................................................................1431 BULB SPECIFICATIONS.......................................................................................................................1432 Headlamp..............................................................................................................................1432 Exterior Lamp.........................................................................................................................1432 Interior Lamp.........................................................................................................................1432 WIRING DIAGRAM CODES (Cell codes).........................................................................................................1433 SUPER MULTIPLE JUNCTION (SMJ)............................................................................................................. 0 Terminal Arrangement.................................................................................................................. 1 FUSE BLOCK - Junction Box (J/B)........................................................................................................... 2 Terminal Arrangement.................................................................................................................. 2 FUSE AND FUSIBLE LINK BOX................................................................................................................. 3 Terminal Arrangement.................................................................................................................. 3 ELECTRICAL UNITS.......................................................................................................................... 4 Terminal Arrangement.................................................................................................................. 4 JOINT CONNECTOR (J/C)..................................................................................................................... 5 Terminal Arrangement.................................................................................................................. 5 em............................................................................................................................................1435 QUICK REFERENCE INDEX..................................................................................................................... 0 TABLE OF CONTENTS.........................................................................................................................1435 PRECAUTIONS...............................................................................................................................1436 Parts Requiring Angular Tightening....................................................................................................1436 Liquid Gasket Application Procedure...................................................................................................1436 PREPARATION...............................................................................................................................1437 Special Service Tools.................................................................................................................1437 Commercial Service Tools..............................................................................................................1438 NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING......................................................................................1440 NVH Troubleshooting - Engine Noise....................................................................................................1441 OUTER COMPONENT PARTS.....................................................................................................................1442 COMPRESSION PRESSURE......................................................................................................................1445 Measurement of Compression Pressure...................................................................................................1445 OIL PAN...................................................................................................................................1446 Removal...............................................................................................................................1446 Installation..........................................................................................................................1447 TIMING CHAIN..............................................................................................................................1448 Removal...............................................................................................................................1450 Inspection............................................................................................................................1453 Installation..........................................................................................................................1454 OIL SEAL REPLACEMENT......................................................................................................................1462 CYLINDER HEAD.............................................................................................................................1464 Removal...............................................................................................................................1465 Camshaft Removal......................................................................................................................1465 Camshaft Installation.................................................................................................................1466 Cylinder Head Assembly Removal........................................................................................................1467 Disassembly...........................................................................................................................1468 Inspection............................................................................................................................1470 Assembly..............................................................................................................................1475 Installation..........................................................................................................................1475 ENGINE REMOVAL............................................................................................................................1478 Removal...............................................................................................................................1479 CYLINDER BLOCK............................................................................................................................1480 Disassembly...........................................................................................................................1481 Inspection............................................................................................................................1482 Assembly..............................................................................................................................1487 SERVICE DATA AND SPECIFICATIONS (SDS).....................................................................................................1491 General Specifications................................................................................................................1491 Inspection and Adjustment.............................................................................................................1491 fa............................................................................................................................................1498 QUICK REFERENCE INDEX..................................................................................................................... 0 TABLE OF CONTENTS.........................................................................................................................1498 PRECAUTIONS AND PREPARATION...............................................................................................................1499 Precautions...........................................................................................................................1499 Special Service Tools.................................................................................................................1499 Commercial Service Tools..............................................................................................................1500 NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING......................................................................................1501 NVH Troubleshooting Chart.............................................................................................................1501 FRONT AXLE AND FRONT SUSPENSION...........................................................................................................1502 ON-VEHICLE SERVICE........................................................................................................................1503 Front Axle and Front Suspension Parts.................................................................................................1503 Front Wheel Bearing...................................................................................................................1504 Front Wheel Alignment.................................................................................................................1505 FRONT AXLE................................................................................................................................1508 Wheel Hub and Knuckle.................................................................................................................1508 ABS Sensor Rotor......................................................................................................................1511 FRONT SUSPENSION..........................................................................................................................1512 Coil Spring and Strut Assembly........................................................................................................1513 Tension Rod and Stabilizer Bar........................................................................................................1518 Transverse Link Assembly..............................................................................................................1519 SERVICE DATA AND SPECIFICATIONS (SDS).....................................................................................................1520 General Specifications................................................................................................................1520 Inspection and Adjustment.............................................................................................................1520 fe............................................................................................................................................1522 QUICK REFERENCE INDEX..................................................................................................................... 0 TABLE OF CONTENTS.........................................................................................................................1522 PREPARATION/ACCELERATOR CONTROL SYSTEM....................................................................................................1523 Special Service Tool..................................................................................................................1523 Adjusting Accelerator Wire............................................................................................................1524 FUEL SYSTEM...............................................................................................................................1525 EXHAUST SYSTEM............................................................................................................................1526 foldout.......................................................................................................................................1529 QUICK REFERENCE INDEX..................................................................................................................... 0 ELECTRICAL SYSTEM......................................................................................................................... 3 SUPER MULTIPLE JUNCTION (SMJ).............................................................................................................1529 INSTALLATION..........................................................................................................................1529 Terminal Arrangement..................................................................................................................1530 FUSE BLOCK - Junction Box (J/B)...........................................................................................................1532 Terminal Arrangement..................................................................................................................1532 FUSE AND FUSIBLE LINK BOX.................................................................................................................1533 Terminal Arrangement..................................................................................................................1533 ELECTRICAL UNITS..........................................................................................................................1534 Terminal Arrangement..................................................................................................................1534 JOINT CONNECTOR (J/C).....................................................................................................................1535 Terminal Arrangement..................................................................................................................1535 gi............................................................................................................................................1536 QUICK REFERENCE INDEX..................................................................................................................... 0 TABLE OF CONTENTS.........................................................................................................................1536 PRECAUTIONS...............................................................................................................................1537 Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"...........................................1537 Precautions for IPPS (Infiniti Personal Protection System - NATS).....................................................................1537 General Precautions...................................................................................................................1538 Precautions for Multiport Fuel Injection System or ECCS Engine........................................................................1540 Precautions for Three Way Catalyst....................................................................................................1540 Engine Oils...........................................................................................................................1540 Precautions for Fuel..................................................................................................................1541 Precautions for Air Conditioning......................................................................................................1541 HOW TO USE THIS MANUAL....................................................................................................................1542 HOW TO READ WIRING DIAGRAMS...............................................................................................................1544 Sample/Wiring Diagram - EXAMPL -......................................................................................................1544 Description...........................................................................................................................1546 HOW TO CHECK TERMINAL.....................................................................................................................1554 Connector and Terminal Pin Kit........................................................................................................1554 How to Probe Connectors...............................................................................................................1554 How to Check Enlarged Contact Spring of Terminal......................................................................................1555 Waterproof Connector Inspection.......................................................................................................1556 Terminal Lock Inspection..............................................................................................................1556 HOW TO PERFORM EFFICIENT DIAGNOSIS FOR AN ELECTRICAL INCIDENT.............................................................................1557 Work Flow.............................................................................................................................1557 Incident Simulation Tests.............................................................................................................1558 Circuit Inspection....................................................................................................................1561 HOW TO FOLLOW FLOW CHART IN TROUBLE DIAGNOSES.............................................................................................1567 How to Follow This Flow Chart.........................................................................................................1568 CONSULT CHECKING SYSTEM...................................................................................................................1570 Function and System Application.......................................................................................................1570 Lithium Battery Replacement...........................................................................................................1570 Checking Equipment....................................................................................................................1570 Loading Procedure.....................................................................................................................1571 CONSULT Data Link Connector (DLC) Circuit.............................................................................................1571 IDENTIFICATION INFORMATION................................................................................................................1572 Model Variation.......................................................................................................................1572 Identification Number.................................................................................................................1573 Dimensions............................................................................................................................1574 Wheels and Tires......................................................................................................................1574 LIFTING POINTS AND TOW TRUCK TOWING.......................................................................................................1575 Preparation...........................................................................................................................1575 Board-on Lift.........................................................................................................................1575 Garage Jack and Safety Stand..........................................................................................................1576 2-pole Lift...........................................................................................................................1577 Tow Truck Towing......................................................................................................................1577 TIGHTENING TORQUE OF STANDARD BOLTS.......................................................................................................1579 SAE J1930 TERMINOLOGY LIST................................................................................................................1580 SAE J1930 Terminology List............................................................................................................1580 ha............................................................................................................................................1584 QUICK REFERENCE INDEX..................................................................................................................... 0 TABLE OF CONTENTS.........................................................................................................................1584 PRECAUTIONS AND PREPARATION...............................................................................................................1585 Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"...........................................................1585 Precautions for Working with HFC-134a (R-134a)........................................................................................1585 General Refrigerant Precautions.......................................................................................................1585 Precautions for Refrigerant Connection................................................................................................1586 Precautions for Servicing Compressor..................................................................................................1589 Special Service Tools.................................................................................................................1589 HFC-134a (R-134a) Service Tools and Equipment.........................................................................................1590 Precautions for Service Equipment.....................................................................................................1592 DESCRIPTION...............................................................................................................................1594 Refrigeration Cycle...................................................................................................................1594 V-6 Variable Displacement Compressor..................................................................................................1595 Component Layout......................................................................................................................1598 Introduction..........................................................................................................................1599 Features..............................................................................................................................1599 Overview of Control System............................................................................................................1600 Control Operation.....................................................................................................................1600 Discharge Air Flow....................................................................................................................1602 TROUBLE DIAGNOSES.........................................................................................................................1604 How to Perform Trouble Diagnoses for Quick and Accurate Repair........................................................................1604 Operational Check.....................................................................................................................1605 Symptom Chart.........................................................................................................................1608 Self-diagnosis........................................................................................................................1609 Preliminary Check.....................................................................................................................1616 Performance Test Diagnoses............................................................................................................1624 Performance Chart.....................................................................................................................1626 Trouble Diagnoses for Abnormal Pressure...............................................................................................1627 A/C Harness Layout....................................................................................................................1630 Circuit Diagram.......................................................................................................................1632 Wiring Diagram - A/C -................................................................................................................1633 Auto Amp. Terminals and Reference Value...............................................................................................1642 Main Power Supply and Ground Circuit Check............................................................................................1645 Self-diagnosis Circuit................................................................................................................1647 Ambient Sensor Circuit................................................................................................................1648 In-vehicle Sensor Circuit.............................................................................................................1651 Intake Sensor Circuit.................................................................................................................1654 Sunload Sensor Circuit................................................................................................................1655 Air Mix Door Motor PBR Circuit........................................................................................................1658 Bi-level Door Motor PBR Circuit.......................................................................................................1660 Mode Door Motor Circuit...............................................................................................................1662 Intake Door Motor Circuit.............................................................................................................1667 Air Mix Door Motor Circuit............................................................................................................1671 Blower Motor Circuit..................................................................................................................1674 Magnet Clutch Circuit.................................................................................................................1678 Rear Vent Door Motor Circuit..........................................................................................................1682 Bi-level Door Motor Circuit...........................................................................................................1683 Control Linkage Adjustment............................................................................................................1685 SERVICE PROCEDURES........................................................................................................................1687 HFC-134a (R-134a) Service Procedure...................................................................................................1687 Maintenance of Lubricant Quantity in Compressor.......................................................................................1689 Refrigerant Lines.....................................................................................................................1691 Checking Refrigerant Leaks............................................................................................................1692 Compressor Mounting...................................................................................................................1694 Belt Tension..........................................................................................................................1695 Fast Idle Control Device (FICD).......................................................................................................1695 Compressor............................................................................................................................1695 Compressor Clutch.....................................................................................................................1696 Ventilation Air Filter................................................................................................................1698 SERVICE DATA AND SPECIFICATIONS (SDS).....................................................................................................1700 General Specifications................................................................................................................1700 Inspection and Adjustment.............................................................................................................1700 idx...........................................................................................................................................1701 QUICK REFERENCE INDEX..................................................................................................................... 0 lc............................................................................................................................................1709 QUICK REFERENCE INDEX..................................................................................................................... 0 TABLE OF CONTENTS.........................................................................................................................1709 PRECAUTIONS AND PREPARATION...............................................................................................................1710 Liquid Gasket Application Procedure...................................................................................................1710 Special Service Tools.................................................................................................................1710 ENGINE LUBRICATION SYSTEM.................................................................................................................1711 Lubrication Circuit...................................................................................................................1711 Oil Pressure Check....................................................................................................................1712 Oil Pump..............................................................................................................................1713 ENGINE COOLING SYSTEM.....................................................................................................................1716 Cooling Circuit.......................................................................................................................1716 System Check..........................................................................................................................1716 Water Pump............................................................................................................................1717 Thermostat............................................................................................................................1719 Radiator..............................................................................................................................1721 Cooling Fan (Crankshaft driven).......................................................................................................1725 Cooling Fan (Motor driven)............................................................................................................1725 Overheating Cause Analysis............................................................................................................1726 SERVICE DATA AND SPECIFICATIONS (SDS).....................................................................................................1727 Engine Lubrication System.............................................................................................................1727 Engine Cooling System.................................................................................................................1727 ma............................................................................................................................................1728 QUICK REFERENCE INDEX..................................................................................................................... 0 TABLE OF CONTENTS.........................................................................................................................1728 PRECAUTIONS...............................................................................................................................1729 Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"...........................................................1729 GENERAL MAINTENANCE.......................................................................................................................1730 PERIODIC MAINTENANCE......................................................................................................................1732 Schedule 1............................................................................................................................1733 Schedule 2............................................................................................................................1734 RECOMMENDED FLUIDS AND LUBRICANTS.........................................................................................................1735 Fluids and Lubricants.................................................................................................................1735 SAE Viscosity Number..................................................................................................................1735 Anti-freeze Coolant Mixture Ratio.....................................................................................................1736 ENGINE MAINTENANCE........................................................................................................................1737 Checking Drive Belts..................................................................................................................1737 Changing Engine Coolant...............................................................................................................1738 Checking Fuel Lines...................................................................................................................1739 Changing Fuel Filter..................................................................................................................1740 Changing Air Cleaner Filter...........................................................................................................1740 Changing Engine Oil...................................................................................................................1741 Changing Oil Filter...................................................................................................................1741 Changing Spark Plugs..................................................................................................................1742 Checking EVAP Vapor Purge Lines.......................................................................................................1743 CHASSIS AND BODY MAINTENANCE..............................................................................................................1744 Checking Exhaust System...............................................................................................................1744 Checking A/T Fluid....................................................................................................................1744 Changing A/T Fluid....................................................................................................................1745 Checking Differential Gear Oil........................................................................................................1745 Changing Differential Gear Oil........................................................................................................1745 Balancing Wheels......................................................................................................................1745 Tire Rotation.........................................................................................................................1746 Checking Brake Fluid Level and Leaks..................................................................................................1746 Checking Brake Lines and Cables.......................................................................................................1746 Changing Brake Fluid..................................................................................................................1746 Checking Disc Brake...................................................................................................................1747 Checking Steering Gear and Linkage....................................................................................................1747 Checking Power Steering Fluid and Lines...............................................................................................1747 Lubricating Locks, Hinges and Hood Latches............................................................................................1749 Checking Seat Belts, Buckles, Retractors, Anchors and Adjusters.......................................................................1749 SERVICE DATA AND SPECIFICATIONS (SDS).....................................................................................................1750 Engine Maintenance....................................................................................................................1750 Chassis and Body Maintenance..........................................................................................................1750 pd............................................................................................................................................1751 QUICK REFERENCE INDEX..................................................................................................................... 0 TABLE OF CONTENTS.........................................................................................................................1751 PREPARATION...............................................................................................................................1752 Special Service Tools.................................................................................................................1752 Commercial Service Tool...............................................................................................................1754 NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING......................................................................................1755 NVH Troubleshooting Chart.............................................................................................................1755 PROPELLER SHAFT...........................................................................................................................1756 On-vehicle Service....................................................................................................................1756 Removal...............................................................................................................................1756 Installation..........................................................................................................................1757 Inspection............................................................................................................................1758 Disassembly...........................................................................................................................1758 Assembly..............................................................................................................................1759 ON-VEHICLE SERVICE/REMOVAL AND INSTALLATION...............................................................................................1760 Front Oil Seal Replacement............................................................................................................1760 Side Oil Seal Replacement.............................................................................................................1760 Removal...............................................................................................................................1761 Installation..........................................................................................................................1761 FINAL DRIVE...............................................................................................................................1762 DISASSEMBLY...............................................................................................................................1763 Pre-inspection........................................................................................................................1763 Differential Carrier..................................................................................................................1763 Differential Case.....................................................................................................................1765 INSPECTION................................................................................................................................1767 Contact Surfaces......................................................................................................................1767 Bearing...............................................................................................................................1767 ADJUSTMENT................................................................................................................................1768 Differential Case.....................................................................................................................1768 Side Bearing Preload..................................................................................................................1769 Pinion Gear Height and Pinion Bearing Preload.........................................................................................1770 Tooth Contact.........................................................................................................................1775 ASSEMBLY..................................................................................................................................1776 SERVICE DATA AND SPECIFICATIONS (SDS).....................................................................................................1780 Propeller Shaft.......................................................................................................................1780 Final Drive...........................................................................................................................1780 ra............................................................................................................................................1782 QUICK REFERENCE INDEX..................................................................................................................... 0 TABLE OF CONTENTS.........................................................................................................................1782 PRECAUTIONS AND PREPARATION...............................................................................................................1783 Precautions...........................................................................................................................1783 Special Service Tools.................................................................................................................1783 Commercial Service Tools..............................................................................................................1784 NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING......................................................................................1785 NVH Troubleshooting Chart.............................................................................................................1785 REAR AXLE AND REAR SUSPENSION.............................................................................................................1786 ON-VEHICLE SERVICE........................................................................................................................1787 Rear Axle and Rear Suspension Parts...................................................................................................1787 Rear Wheel Bearing....................................................................................................................1788 Rear Wheel Alignment..................................................................................................................1788 Drive Shaft...........................................................................................................................1789 REAR AXLE.................................................................................................................................1790 Wheel Hub and Axle Housing............................................................................................................1790 Drive Shaft...........................................................................................................................1796 REAR SUSPENSION...........................................................................................................................1800 Removal and Installation..............................................................................................................1801 Coil Spring and Shock Absorber........................................................................................................1802 Multi-link and Lower Ball Joint.......................................................................................................1803 Stabilizer Bar........................................................................................................................1806 SERVICE DATA AND SPECIFICATIONS (SDS).....................................................................................................1807 General Specifications................................................................................................................1807 Inspection and Adjustment.............................................................................................................1807 rs............................................................................................................................................1808 QUICK REFERENCE INDEX..................................................................................................................... 0 TABLE OF CONTENTS.........................................................................................................................1808 PRECAUTION................................................................................................................................1809 Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"...........................................................1809 SEAT BELTS................................................................................................................................1810 Front Seat Belt.......................................................................................................................1811 Rear Seat Belt........................................................................................................................1812 Seat Belt Inspection..................................................................................................................1813 SUPPLEMENTAL RESTRAINT SYSTEM (SRS).......................................................................................................1816 Precautions for SRS Air Bag" and "Seat Belt Pre-tensioner" Service....................................................................1816 Special Service Tools.................................................................................................................1816 Description...........................................................................................................................1817 SRS Component Parts Location..........................................................................................................1818 Maintenance Items.....................................................................................................................1818 Removal and Installation - Diagnosis Sensor Unit, Seat Belt Pre-tensioner and Satellite Sensor........................................1820 Removal - Driver Air Bag Module and Spiral Cable......................................................................................1822 Removal - Front Passenger Air Bag Module..............................................................................................1823 Removal - Side Air Bag Module.........................................................................................................1824 Installation - Driver Air Bag Module and Spiral Cable.................................................................................1825 Installation - Front Passenger Air Bag Module.........................................................................................1826 Installation - Side Air Bag Module....................................................................................................1827 Disposal of Air Bag Module and Seat Belt Pre-tensioner................................................................................1827 TROUBLE DIAGNOSES - Supplemental Restraint System (SRS)...................................................................................1833 Trouble Diagnoses Introduction........................................................................................................1833 How to Perform Trouble Diagnoses for Quick and Accurate Repair........................................................................1835 Schematic.............................................................................................................................1837 Wiring Diagram - SRS -................................................................................................................1838 Self-diagnosis........................................................................................................................1841 Trouble Diagnoses for Air Bag Warning Lamp............................................................................................1858 Trouble Diagnosis for Seat Belt Pre-tensioner Warning Lamp............................................................................1860 COLLISION DIAGNOSIS.......................................................................................................................1862 st............................................................................................................................................1865 QUICK REFERENCE INDEX..................................................................................................................... 0 TABLE OF CONTENTS.........................................................................................................................1865 PRECAUTIONS AND PREPARATION...............................................................................................................1866 Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"...........................................................1866 Precautions for Steering System.......................................................................................................1866 Special Service Tools.................................................................................................................1867 Commercial Service Tools..............................................................................................................1868 NOISE, VIBRATION AND HARSHNESS (NVH) TROUBLESHOOTING......................................................................................1869 NVH Troubleshooting Chart.............................................................................................................1869 ON-VEHICLE SERVICE........................................................................................................................1870 Checking Steering Wheel Play..........................................................................................................1870 Checking Neutral Position on Steering Wheel...........................................................................................1870 Front Wheel Turning Angle.............................................................................................................1870 Checking Gear Housing Movement........................................................................................................1871 Adjusting Rack Retainer...............................................................................................................1871 Checking and Adjusting Drive Belts (for power steering)...............................................................................1871 Checking Fluid Level..................................................................................................................1871 Checking Fluid Leakage................................................................................................................1872 Bleeding Hydraulic System.............................................................................................................1872 Checking Steering Wheel Turning Force (For power steering)............................................................................1873 Checking Hydraulic System.............................................................................................................1873 STEERING WHEEL AND STEERING COLUMN........................................................................................................1875 Removal...............................................................................................................................1875 Installation..........................................................................................................................1876 Disassembly and Assembly..............................................................................................................1877 Inspection............................................................................................................................1878 POWER STEERING GEAR AND LINKAGE...........................................................................................................1879 Removal and Installation..............................................................................................................1879 Disassembly...........................................................................................................................1882 Inspection............................................................................................................................1882 Assembly..............................................................................................................................1884 Adjustment............................................................................................................................1889 POWER STEERING OIL PUMP...................................................................................................................1891 Pre-disassembly Inspection............................................................................................................1891 Disassembly...........................................................................................................................1892 Inspection............................................................................................................................1892 Assembly..............................................................................................................................1892 TWIN ORIFICE POWER STEERING SYSTEM........................................................................................................1894 Hydraulic Circuit.....................................................................................................................1894 Wiring Diagram........................................................................................................................1895 TWIN ORIFICE POWER STEERING SYSTEM - Trouble Diagnoses....................................................................................1897 Precautions...........................................................................................................................1897 Diagnostic Procedure..................................................................................................................1898 Control Unit Inspection Table.........................................................................................................1901 SERVICE DATA AND SPECIFICATIONS (SDS).....................................................................................................1902 General Specifications................................................................................................................1902 Inspection and Adjustment.............................................................................................................1902
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DESCRIPTION:
1998 INFINITI Q45 FY33 Series Service Manual PDF DOWNLOAD
FOREWORD
- This manual contains maintenance and repair procedures for the 1998 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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