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1997 INFINITI Q45 FY33 Series Service Manual PDF DOWNLOAD
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Description
1997 INFINITI Q45 FY33 Series Service Manual PDF DOWNLOAD
FILE DETAILS:
1997 INFINITI Q45 FY33 Series Service Manual PDF DOWNLOAD
Language : English
Pages : 1716
Downloadable : Yes
File Type : PDF
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TABLE OF CONTENTS:
1997 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 System..................................................................................... 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 INCHES TO METRIC CONVERSION.................................................................................................. 5 QUICK REFERENCE CHART........................................................................................................ 4 GST Mode 6 - Test Value & Test Limit Chart................................................................................... 6 at............................................................................................................................... 7 QUICK REFERENCE INDEX........................................................................................................ 0 TABLE OF CONTENTS............................................................................................................ 7 PREPARATION AND PRECATUTIONS................................................................................................. 9 Special Service Tools.................................................................................................... 9 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 OVERALL SYSTEM............................................................................................................... 13 A/T Electrical Parts Location............................................................................................ 13 Circuit Diagram.......................................................................................................... 14 Wiring Diagram........................................................................................................... 15 Cross-sectional View..................................................................................................... 21 Hydraulic Control Circuits............................................................................................... 22 Shift Mechanism.......................................................................................................... 23 Control System........................................................................................................... 25 ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION....................................................................................... 27 Introduction............................................................................................................. 27 One or Two Trip Detection Logic.......................................................................................... 27 Diagnostic Trouble Code (DTC)............................................................................................ 27 Self-diagnosis........................................................................................................... 29 Diagnosis by CONSULT..................................................................................................... 34 TROUBLE DIAGNOSIS - Introduction............................................................................................. 37 Introduction............................................................................................................. 37 Diagnostic Worksheet..................................................................................................... 38 Work Flow................................................................................................................ 41 TROUBLE DIAGNOSIS - Basic Inspection......................................................................................... 42 A/T Fluid Check.......................................................................................................... 42 Road Test................................................................................................................ 42 Shift Schedule........................................................................................................... 52 TROUBLE DIAGNOSIS - General Description...................................................................................... 53 Diagnostic Trouble Code (DTC) Chart...................................................................................... 53 Symptom Chart............................................................................................................ 55 A/T Control Unit Terminals and Reference Value........................................................................... 58 DTC P0600, Engine Control.................................................................................................... 62 DTC P0705, Inhibitor, Overdrive Control and Throttle Position Switches....................................................... 64 DTC P0710, Fluid Tempreature Sensor Circuit and A/T Control Unit Power Source................................................ 70 DTC P0720, Vehicle Speed Sensor-A/T (Revolution sensor)...................................................................... 73 DTC P0725, Engine Speed Signal............................................................................................... 75 DTC P0731, Improper Shifting to 1st Gear Position............................................................................ 77 DTC P0732, Improper Shifting to 2nd Gear Position............................................................................ 80 DTC P0733, Improper Shifting to 3rd Gear Position............................................................................ 82 DTC P0734, Improper Shifting to 4th Gear Position............................................................................ 84 DTC P0740, Torque Converter Clutch Solenoid Valve............................................................................ 89 DTC P0744, Improper Lock-up Operation........................................................................................ 92 DTC P0745, Line Pressure Solenoid Valve...................................................................................... 97 DTC P0750, Shift Solenoid Valve A............................................................................................ 100 DTC P0755, Shift Solenoid Valve B............................................................................................ 103 DTC P1705, Throttle Position Sensor.......................................................................................... 106 DTC P1760, Overrun Clutch Solenoid Valve..................................................................................... 108 TROUBLE DIAGNOSIS FOR VHCL SPEED SEN-MTR..................................................................................... 111 Vehicle Speed Sensor-MTR................................................................................................. 111 TROUBLE DIAGNOSIS FOR TURBINE REV............................................................................................ 113 Turbine Revolution Sensor................................................................................................ 113 TROUBLE DIAGNOSIS FOR SYMPTOMS............................................................................................... 115 1. O/D OFF Indicator Lamp Does Not Come On............................................................................... 115 2. Engine Cannot Be Started In"P" and "N" Position....................................................................... 116 3. In "P" Position, Vehicle Moves Forward Or Backward When Pushed........................................................ 116 4. In"N" Position, Vehicle Moves......................................................................................... 117 5. Large Shock. "N" - "R" Position....................................................................................... 118 6. Vehicle Does Not Creep Backward in "R" Position....................................................................... 119 7. Vehicle Does Not Creep Forward In"D", "2" Or "1" Position............................................................. 120 8. Vehicle Cannot Be Started From D1..................................................................................... 121 9. A/T Does Not Shift: D1 - D2 Or Does Not Kickdown: D4 - D2............................................................. 122 10. A/T Does Not Shift: D2 - D3.......................................................................................... 123 11. A//T Does Not Shift: D3 - D4......................................................................................... 124 12. A/T Does Not Perform Lock-up......................................................................................... 125 13. A/T Does Not Hold Lock-up Condition.................................................................................. 126 14. Lock-up Is Not Released.............................................................................................. 126 15. Engine Speed Does Not Return To Idle (Light Braking D4 - D3)......................................................... 127 16. Vehicle Does Not Start from D1....................................................................................... 128 17. A/T Does Not Shift: D4 - D3, When Overdrive Control Switch "ON" - "OFF".............................................. 128 18. A/T Does Not Shift: D3 - 2-2, When Selector Lever "D" - "2" Position................................................. 129 19. A/T Does Not Shift: 2-2 - 1-1, When Selector Lever "2" - "1" Position................................................ 129 20. Vehicle Does Not Decelerate By Engine Brake.......................................................................... 130 TROUBLE DIAGNOSES............................................................................................................ 131 Final Check.............................................................................................................. 131 TROUBLE DIAGNOSES - A/T Shift Lock system.................................................................................... 136 A/T Shift Lock System.................................................................................................... 136 Wiring Diagram........................................................................................................... 137 Diagnostic Procedure 1................................................................................................... 139 Diagnostic Procedure 2................................................................................................... 143 Shift Lock Control Unit Inspection....................................................................................... 147 Shift Lock Control Unit Inspection Table................................................................................. 147 Component check.......................................................................................................... 148 ON-VEHICLE SERVICE........................................................................................................... 150 Control Valve Assembly and Accumulators.................................................................................. 150 Turbine Revolution Sensor Replacement.................................................................................... 150 Revolution Sensor Replacement............................................................................................ 151 Rear Oil Seal Replacement................................................................................................ 151 Parking Pawl Components Inspection....................................................................................... 151 Inhibitor Switch Adjustment.............................................................................................. 152 Manual Control Linkage Adjustment........................................................................................ 152 REMOVAL AND INSTALLATION..................................................................................................... 153 Removal.................................................................................................................. 153 Installation............................................................................................................. 154 MAJOR OVERHAUL............................................................................................................... 156 Oil Channel.............................................................................................................. 158 Locations of Needle Bearings, Thrust Washers and Snap Rings.............................................................. 159 DISASSEMBLY.................................................................................................................. 160 REPAIR FOR COMPONENT PARTS................................................................................................... 172 Oil Pump................................................................................................................. 172 Control Valve Assembly................................................................................................... 176 Control Valve Upper Body................................................................................................. 182 Control Valve Lower Body................................................................................................. 187 Reverse Clutch........................................................................................................... 189 High Clutch.............................................................................................................. 193 Forward and Overrun Clutches............................................................................................. 195 Low & Reverse Brake...................................................................................................... 199 Forward Clutch Drum Assembly............................................................................................. 203 Rear Internal Gear and Forward Clutch Hub................................................................................ 205 Band Servo Piston Assembly............................................................................................... 207 Parking Pawl Components.................................................................................................. 211 ASSEMBLY..................................................................................................................... 213 Assembly 1............................................................................................................... 213 Adjustment............................................................................................................... 218 Assembly 2............................................................................................................... 222 SERVICE DATA AND SPECIFICATIONS (SDS)........................................................................................ 232 General Specifications................................................................................................... 232 Specifications and Adjustment............................................................................................ 232 br............................................................................................................................... 236 QUICK REFERENCE INDEX........................................................................................................ 0 TABLE OF CONTENTS............................................................................................................ 236 PRECAUTIONS AND PREPARATION.................................................................................................. 238 Precautions.............................................................................................................. 238 Commercial Service Tools................................................................................................. 239 CHECK AND ADJUSTMENT......................................................................................................... 240 Checking Brake Fluid Level............................................................................................... 240 Checking Brake Line...................................................................................................... 240 Changing Brake Fluid..................................................................................................... 240 Bleeding Brake System.................................................................................................... 241 BRAKE HYDRAULIC LINE......................................................................................................... 242 Removal.................................................................................................................. 242 Inspection............................................................................................................... 242 Installation............................................................................................................. 242 CONTROL VALVE................................................................................................................ 243 Proportioning Valve...................................................................................................... 243 BRAKE PEDAL AND BRACKET...................................................................................................... 244 Removal and Installation................................................................................................. 244 Inspection............................................................................................................... 244 Adjustment............................................................................................................... 244 MASTER CYLINDER.............................................................................................................. 246 Removal.................................................................................................................. 246 Disassembly.............................................................................................................. 246 Inspection............................................................................................................... 247 Assembly................................................................................................................. 247 Installation............................................................................................................. 248 BRAKE BOOSTER................................................................................................................ 249 On-vehicle Service....................................................................................................... 249 Removal.................................................................................................................. 249 Inspection............................................................................................................... 249 Installation............................................................................................................. 249 VACUUM HOSE.................................................................................................................. 251 Removal and Installation................................................................................................. 251 Inspection............................................................................................................... 251 FRONT DISC BRAKE............................................................................................................. 252 Pad Replacement.......................................................................................................... 252 Removal.................................................................................................................. 254 Disassembly.............................................................................................................. 254 Inspection - Caliper..................................................................................................... 254 Inspection - Rotor....................................................................................................... 255 Assembly................................................................................................................. 255 Installation............................................................................................................. 255 REAR DISC BRAKE.............................................................................................................. 256 Pad Replacement.......................................................................................................... 256 Removal.................................................................................................................. 257 Disassembly.............................................................................................................. 258 Inspection - Caliper..................................................................................................... 258 Inspection - Rotor....................................................................................................... 258 Assembly................................................................................................................. 259 Installation............................................................................................................. 259 REAR DISC BRAKE - Parking Drum Brake......................................................................................... 260 Removal.................................................................................................................. 260 Inspection - Drum........................................................................................................ 261 Inspection - Lining...................................................................................................... 262 Installation............................................................................................................. 262 Shoe Clearance Adjustment................................................................................................ 263 Breaking in Drum and Lining.............................................................................................. 263 PARKING BRAKE CONTROL........................................................................................................ 264 Removal and Installation................................................................................................. 264 Inspection............................................................................................................... 265 Adjustment............................................................................................................... 265 TRACTION CONTROL SYSTEM - TCS -.............................................................................................. 266 Purpose.................................................................................................................. 266 System Components........................................................................................................ 267 ABS (Anti-lock brake system) Operation................................................................................... 268 ABS Hydraulic Circuit.................................................................................................... 268 TCS (Traction Control System) Operation.................................................................................. 269 Throttle Control + Engine Control TCS System Configuration (Tandem Throttle System)...................................... 269 Secondary Throttle Fully-closed Position Self-learing Control............................................................ 270 Removal and Installation................................................................................................. 271 TROUBLE DIAGNOSES............................................................................................................ 275 How to Perform Trouble Diagnoses for Quick and Accurate Repair........................................................... 275 Symptom chart............................................................................................................ 280 Preliminary Check (Check brake fluid level in reservoir tank and brake line for leakage.)................................ 282 Component Parts and Harness Connector Location........................................................................... 284 Circuit Diagram for Quick Pinpoint Check................................................................................. 285 Wiring Diagram - ABS -................................................................................................... 286 Self-diagnosis for ABS/TCS Control Unit.................................................................................. 296 CONSULT for ABS/TCS Control Unit......................................................................................... 299 CONSULT Inspection Procedure for ABS/TCS Control Unit.................................................................... 300 Self-diagnosis for TAC Module............................................................................................ 307 CONSULT for TAC Module................................................................................................... 309 CONSULT Inspection Procedure for TAC module.............................................................................. 310 Ground Circuit Check..................................................................................................... 316 TROUBLE DIAGNOSES FOR SELF-DIAGNOSTIC ITEMS.................................................................................. 317 Diagnostic Procedure 1 (Engine system)................................................................................... 317 Diagnostic Procedure 2 (TAC module commuinication)....................................................................... 317 Diagnostic Procedure 3 (Engine speed signal)............................................................................. 320 Diagnostic Procedure 4 (LAN monitoring).................................................................................. 321 Diagnostic Procedure 5 (LAN communication start procedures incomplete)................................................... 322 Diagnostic Procedure 6 (LAN communication system failure)................................................................ 323 Diagnostic Procedure 7 (Wheel sensor or rotor)........................................................................... 324 Diagnostic Procedure 8 (ABS actuator solenoid valve)..................................................................... 326 Diagnostic Procedure 9 (solenoid valve relay)............................................................................ 327 Diagnostic Procedure 10 (Motor relay or motor)........................................................................... 330 Diagnostic Procedure 11 (Low voltage).................................................................................... 333 Diagnostic Procedure 12 (Control unit)................................................................................... 334 Diagnostic Procedure 13 (Power supply and ground circuit for TAC module)................................................. 335 Diagnostic Procedure 14 (Throttle position sensor signal input circuit).................................................. 337 Diagnostic Procedure 15 (Secondary throttle position sensor signal input circuit)........................................ 338 Diagnostic Procedure 16 (Secondary throttle valve operating signal circuit and throttle valve opening signal circuit).... 339 Diagnostic Procedure 17 (Throttle motor circuit)......................................................................... 341 Diagnostic Procedure 18 (throttle motor relay circuit for open circuit and short circuit)................................ 342 Diagnostic Procedure 19 (Power supply circuit for sensor)................................................................ 346 Diagnostic Procedure 20 (Secondary throttle return spring)............................................................... 346 Diagnostic Procedure 21 (Start signal circuit)........................................................................... 347 Diagnostic Procedure 22 (Inhibitor switch circuit)....................................................................... 349 TROUBLE DIAGNOSES FOR SYMPTOMS............................................................................................... 352 Diagnostic Procedure 23 (SLIP indicator does not come on when ignition switch is turned on.)............................. 352 Diagnostic Procedure 24 (TCS OFF indicator does not come on when ignition switch is turned on.).......................... 353 Diagnostic Procedure 25 (ABS warning lamp does not come on when ignition switch is turned on.)........................... 354 Diagnostic Procedure 26 (ABS warning lamp stays on when ignition switch is turned on.)................................... 356 Diagnostic Procedure 27 (TCS OFF switch is inoperative.)................................................................. 359 Diagnostic Procedure 28 (ABS works frequently.).......................................................................... 360 Diagnostic Procedure 29 (Unexpected pedal action)........................................................................ 361 Diagnostic Procedure 30 (Long stopping distance)......................................................................... 361 Diagnostic Procedure 31 (ABS does not work.)............................................................................. 362 Diagnostic Procedure 32 (Pedal vibration and noise)...................................................................... 362 Electrical Component Inspection.......................................................................................... 363 TROUBLE DIAGNOSES FOR TCS.................................................................................................... 365 Electrical Component Inspection.......................................................................................... 365 SERVICE DATA AND SPECIFICATIONS (SDS)........................................................................................ 368 General Specifications................................................................................................... 368 Inspection and Adjustment................................................................................................ 368 bt............................................................................................................................... 369 QUICK REFERENCE INDEX........................................................................................................ 0 TABLE OF CONTENTS............................................................................................................ 369 PRECAUTIONS.................................................................................................................. 370 Service Notice........................................................................................................... 370 Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER".............................................. 370 GENERAL SERVICING............................................................................................................ 371 Clip Fastener............................................................................................................ 371 BODY END..................................................................................................................... 373 Body Front End........................................................................................................... 373 Body Rear End and Opener................................................................................................. 376 DOOR......................................................................................................................... 379 Front Door............................................................................................................... 379 Rear Door................................................................................................................ 380 INSTRUMENT PANEL............................................................................................................. 381 INTERIOR TRIM................................................................................................................ 385 Side and Floor Trim...................................................................................................... 385 Door Trim................................................................................................................ 387 Roof Trim................................................................................................................ 389 Trunk Room Trim.......................................................................................................... 391 EXTERIOR..................................................................................................................... 392 SEAT......................................................................................................................... 400 Front Seat............................................................................................................... 400 Heated Seat.............................................................................................................. 401 Rear Seat................................................................................................................ 402 SUNROOF...................................................................................................................... 403 Trouble Diagnoses........................................................................................................ 407 WINDSHIELD AND WINDOWS....................................................................................................... 411 Windshield and Rear Window............................................................................................... 411 MIRROR....................................................................................................................... 412 Door Mirror.............................................................................................................. 412 BODY ALIGNMENT............................................................................................................... 413 Engine Compartment....................................................................................................... 413 Underbody................................................................................................................ 415 ec............................................................................................................................... 417 QUICK REFERENCE INDEX........................................................................................................ 0 TABLE OF CONTENTS............................................................................................................ 417 DIAGNOSTIC TROUBLE CODE INDEX................................................................................................ 420 Alphabetical & P No. Index for DTC....................................................................................... 420 PRECAUTIONS AND PREPARATION.................................................................................................. 422 Commercial Service Tool.................................................................................................. 422 Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER".............................................. 422 Precautions for On Board Diagnostic (OBD) System of Engine and A/T....................................................... 422 Engine Fuel & Emission Control System.................................................................................... 423 Precautions.............................................................................................................. 424 ENGINE AND EMISSION CONTROL OVERALL SYSTEM................................................................................... 426 Circuit Diagram.......................................................................................................... 426 System Diagram........................................................................................................... 428 ECCS Compartment Parts Location.......................................................................................... 429 Vacuum Hose Drawing...................................................................................................... 431 System Chart............................................................................................................. 432 ENGINE AND EMISSION BASIC CONTROL SYSTEM DESCRIPTIION........................................................................ 433 Multiport Fuel Injection (MFI) System.................................................................................... 433 Engine Ignition (EI) System.............................................................................................. 436 Air Conditioning Cut Control............................................................................................. 437 Fuel Cut Control (at no load & high engine speed)........................................................................ 437 EVAPORATIVE EMISSION SYSTEM.................................................................................................. 438 Description.............................................................................................................. 438 Inspection............................................................................................................... 438 POSITIVE CRANKCASE VENTILATION............................................................................................... 440 Description.............................................................................................................. 440 Inspection............................................................................................................... 440 BASIC SERVICE PROCEDURE...................................................................................................... 441 Fuel Pressure Release.................................................................................................... 441 Fuel Pressure Check...................................................................................................... 441 Injector Removal and Installation........................................................................................ 442 Fast Idle Cam (FIC) Inspection and Adjustment............................................................................ 443 Direct Ignition System - How to Check Idle Speed and Ignition Timing..................................................... 443 Idle Speed/Ignition Timing/Idle Mixture Ratio Adjustment................................................................. 446 ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION....................................................................................... 453 Introduction............................................................................................................. 453 Tow Trip Detection Logic................................................................................................. 453 Emission-related Diagnostic Information.................................................................................. 454 Malfunction Indicator Lamp (MIL)......................................................................................... 465 OBD System Operation Chart............................................................................................... 469 CONSULT.................................................................................................................. 474 Generic Scan Tool (GST).................................................................................................. 485 TROUBLE DIAGNOSIS - Introduction............................................................................................. 487 Introduction............................................................................................................. 487 Diagnostic Worksheet..................................................................................................... 487 TROUBLE DIAGNOSIS - Work Flow................................................................................................ 489 Work Flow................................................................................................................ 489 Description for Work Flow................................................................................................ 490 TROUBLE DIAGNOSIS - Basic Inspection......................................................................................... 491 Basic Inspection......................................................................................................... 491 TROUBLE DIAGNOSIS - General Description...................................................................................... 493 Diagnostic Trouble Code (DTC) Inspection Priority Chart.................................................................. 493 Fail-Safe Chart.......................................................................................................... 494 Symptom Matrix Chart..................................................................................................... 495 CONSULT Reference Value in Data Monitor Mode............................................................................. 498 Major Sensor Reference Graph in Data Monitor Mode........................................................................ 500 ECM Terminals and Reference Value........................................................................................ 502 TROUBLE DIAGNOSIS FOR POWER SUPPLY........................................................................................... 512 Main Power Supply and Ground Circuit..................................................................................... 512 DTC P0100, Mass Air Flow Sensor (MAFS)....................................................................................... 517 DTC P0110, Intake Air Temperature Sensor..................................................................................... 523 DTC P0115, Engine Coolant Temperature Sensor (ECTS).......................................................................... 528 DTC P0120, Throttle Position Sensor.......................................................................................... 533 DTC P0125, Engine Coolant Temperature (ECT) Sensor........................................................................... 539 DTC P0130, Front Heated Oxygen Sensor (Front HO2S) (Left bank)............................................................... 544 DTC P0130 - P0150, Closed Loop Control....................................................................................... 549 DTC P0135, Front Heated Oxygen Sensor Heater (Left bank)..................................................................... 550 DTC P0136, Rear Heated Oxygen Sensor (Rear HO2S) (Left bank)................................................................. 554 DTC P0141, Rear Heated Oxygen Sensor (Left bank)............................................................................. 558 DTC P0150, Front Heated Oxygen Sensor (Front HO2S) (Right bank).............................................................. 563 DTC P0155, Front Heated Oxygen Sensor Heater (Right bank).................................................................... 568 DTC P0156, Rear Heated Oxygen Sensor (Rear HO2S) (Right bank)................................................................ 572 DTC P0161, Rear Heated Oxygen Sensor Heater (Right bank)..................................................................... 576 DTC P0171, Fuel Injection System Function (Left bank) (Lean side)............................................................ 581 DTC P0172, Fuel Injection System Function (Left bank) (Rich side)............................................................ 587 DTC P0174, Fuel Injection System Function (Right bank) (Lean side)........................................................... 592 DTC P0175, Fuel Injection System Function (Right bank) (Rich side............................................................ 598 DTC P0300 - P0308, No. 1 - 8 Cylinder Misfire, Multiple Cylinder Misfire..................................................... 603 DTC P0325 - P0330, Knock Sensor (KS)......................................................................................... 607 DTC P0335, Crankshaft Position Sensor (CKPS) (OBD)........................................................................... 610 DTC P0340, Camshaft Position Sensor (CMPS)................................................................................... 615 DTC P0400, EGR Function...................................................................................................... 621 DTC P0402, EGRC-BPT Valve Function........................................................................................... 631 DTC P0420 - P0430, Three Way Catalyst Function............................................................................... 633 DTC P0500, Vehicle Speed Sensor (VSS)........................................................................................ 636 DTC P0505, Idle Air Control Valve (IACV) - Auxiliary Air Control (AAC) Valve................................................. 640 DTC P0600 - P1605, A/T Communication Line (P0600) and A/T Diagnostic Communication Line (P1605).............................. 646 DTC P0605, Engine Control Module (ECM)-ECCS Control Module................................................................... 649 DTC P0705, Park/Neutral Position Switch...................................................................................... 651 DTC P1110, Intake Valve Timing Control (Left bank)........................................................................... 656 DTC P1125, Tandem Throttle Position Sensor................................................................................... 662 DTC P1135, Intake Valve Timing Control (Right bank).......................................................................... 663 DTC P1140, Intake Valve Timing Control Position Sensor (Left bank)........................................................... 669 DTC P1145, Intake Valve Timing Control Position Sensor (Right bank).......................................................... 674 DTC P1210, Traction Control System (TCS) Signal Circuit...................................................................... 679 DTC P1220, Fuel Pump Control Module (FPCM)................................................................................... 682 DTC P1320, Ignition Signal................................................................................................... 688 DTC P1336, Crankshaft Position Sensor (CKPS) (OBD) (COG)..................................................................... 696 DTC P1400, EGR Valve and EVAP Canister Purge Control Solenoid Valve.......................................................... 701 DTC P1401, EGR Temperature Sensor............................................................................................ 706 DTC P1900, Cooling Fan (Overheat)............................................................................................ 711 TROUBLE DIAGNOSIS FOR ABS/TCS C/U SIGNAL..................................................................................... 724 ABS/TCS Control Unit..................................................................................................... 724 TROUBLE DIAGNOSIS FOR ECM - ABS/TCS COMM NG.................................................................................. 725 ABS/TCS Communication Line............................................................................................... 725 TROUBLE DIAGNOSIS FOR NON-DETECTABLE ITEMS................................................................................... 728 Injector................................................................................................................. 728 Secondary Throttle Position Sensor (STPS)................................................................................ 734 Start Signal............................................................................................................. 739 Fuel Pump Control........................................................................................................ 741 Power Steering Oil Pressure Switch....................................................................................... 745 Electrical Load Signal................................................................................................... 750 MIL & Data Link Connectors............................................................................................... 753 SERVICE DATA AND SPECIFICATIONS (SDS)........................................................................................ 754 General Specifications................................................................................................... 754 Inspection and Adjustment................................................................................................ 754 el............................................................................................................................... 756 QUICK REFERENCE INDEX........................................................................................................ 756 TABLE OF CONTENTS............................................................................................................ 756 PRECAUTIONS.................................................................................................................. 760 Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER".............................................. 760 HARNESS CONNECTOR............................................................................................................ 761 Description.............................................................................................................. 761 STANDARDIZED RELAY........................................................................................................... 762 Description.............................................................................................................. 762 POWER SUPPLY ROUTING......................................................................................................... 764 Schematic................................................................................................................ 764 Wiring Diagram - POWER -................................................................................................. 765 Fuse..................................................................................................................... 774 Fusible Link............................................................................................................. 774 Circuit Breaker Inspection............................................................................................... 774 GROUND DISTRIBUTION.......................................................................................................... 775 Engine Room Harness...................................................................................................... 775 Main Harness............................................................................................................. 776 Engine Control Harness................................................................................................... 778 Engine Harness........................................................................................................... 780 Body Harness............................................................................................................. 781 Body No. 2 Harness....................................................................................................... 782 BATTERY...................................................................................................................... 783 How to Handle Battery.................................................................................................... 783 Service Data and Specifications (SDS).................................................................................... 786 STARTING SYSTEM.............................................................................................................. 787 System Description....................................................................................................... 787 Wiring Diagram - START -................................................................................................. 788 Construction............................................................................................................. 789 Removal and Installation................................................................................................. 789 Pinion/Clutch Check...................................................................................................... 790 Service Data and Specifications (SDS).................................................................................... 790 CHARGING SYSTEM.............................................................................................................. 791 System Description....................................................................................................... 791 Wiring Diagram - CHARGE -................................................................................................ 792 Trouble Diagnoses........................................................................................................ 793 Construction............................................................................................................. 794 Removal and Installation................................................................................................. 794 Service Data and Specifications (SDS).................................................................................... 795 COMBINATION SWITCH........................................................................................................... 796 Combination Switch/Check................................................................................................. 796 Replacement.............................................................................................................. 797 Steering Switch/Check.................................................................................................... 798 HEADLAMP..................................................................................................................... 799 Component Parts and Harness Connector Location........................................................................... 799 System Description (For U.S.A.).......................................................................................... 799 Schematic (For U.S.A.)................................................................................................... 801 Wiring Diagram (For U.S.A.) - H/LAMP -................................................................................... 802 Trouble Diagnoses/Auto Light Operation................................................................................... 805 Headlamp/Trouble Diagnoses............................................................................................... 812 Daytime Light System/System Description (For Canada)..................................................................... 813 Operation (Daytime light system for Canada).............................................................................. 814 Schematic (For Canada)................................................................................................... 815 Wiring Diagram (For Canada) - DTRL -..................................................................................... 816 Trouble Diagnoses (For Canada)........................................................................................... 820 Bulb Replacement......................................................................................................... 822 Bulb Specifications...................................................................................................... 822 Aiming Adjustment........................................................................................................ 822 EXTERIOR LAMP................................................................................................................ 824 Parking, License and Tail Lamps/System Description....................................................................... 824 Parking, License and Tail Lamps/Schematic................................................................................ 825 Parking, License and Tail Lamps/Wiring Diagram - TAIL/L -................................................................ 826 Parking, License and Tail Lamps/Trouble Diagnoses........................................................................ 830 Stop Lamp/Schematic...................................................................................................... 831 Stop Lamp/Wiring Diagram - STOP/L -...................................................................................... 832 Back-up Lamp/Wiring Diagram - BACK/L -................................................................................... 835 Front Fog Lamp/System Description........................................................................................ 836 Front Fog Lamp/Wiring Diagram - F/FOG -.................................................................................. 837 Front Fog Lamp Aiming Adjustment......................................................................................... 838 Bulb Specifications...................................................................................................... 838 Turn Signal and Hazard Warning Lamps/System Description.................................................................. 839 Turn Signal and Hazard Warning Lamps/Schematic........................................................................... 841 Turn Signal and Hazard Warning Lamps/Wiring Diagram - TURN -............................................................. 842 Turn Signal and Hazard Warning Lamps/Trouble Diagnoses................................................................... 845 Combination Flasher Unit Check........................................................................................... 845 Bulb Specifications...................................................................................................... 846 INTERIOR LAMP................................................................................................................ 847 Illumination/System Description.......................................................................................... 847 Illumination/Schematic................................................................................................... 848 Illumination/Wiring Diagram - ILL -...................................................................................... 849 Vanity Mirror and Trunk Room Lamps/System Description.................................................................... 855 Bulb Specifications...................................................................................................... 855 Vanity Mirror and Trunk Room Lamps/Wiring Diagram - INT -................................................................ 856 Diagram–– INT ––........................................................................................................ 856 METER AND GAUGES............................................................................................................. 857 Component Parts and Harness Connector Location........................................................................... 857 System Description....................................................................................................... 857 Combination Meter........................................................................................................ 858 Speedometer, Tachometer, Temp. and Fuel Gauges/Wiring Diagram - METER -.................................................. 859 Trouble Diagnoses........................................................................................................ 861 WARNING LAMPS................................................................................................................ 865 Warning Lamps/System Description......................................................................................... 865 Schematic................................................................................................................ 867 Wiring Diagram - WARN -.................................................................................................. 868 Trouble Diagnoses........................................................................................................ 872 Electrical Components Inspection......................................................................................... 875 A/T Indicator/Schematic.................................................................................................. 876 A/T Indicator/Wiring Diagram - AT/IND -.................................................................................. 877 WARNING CHIME................................................................................................................ 880 Component Parts and Harness Connector Location........................................................................... 880 System Description....................................................................................................... 880 Wiring Diagram - CHIME -................................................................................................. 882 Trouble Diagnoses........................................................................................................ 884 WIPER AND WASHER............................................................................................................. 890 Component Parts and Harness Connector Location........................................................................... 890 System Description....................................................................................................... 890 Front Wiper and Washer/Schematic......................................................................................... 892 Front Wiper and Washer/Wiring Diagram - WIPER -.......................................................................... 893 Trouble Diagnoses........................................................................................................ 896 Wiper Installation and Adjustment........................................................................................ 903 Washer Nozzle Adjustment................................................................................................. 903 Washer Tube Layout....................................................................................................... 904 Wiper Linkage............................................................................................................ 904 HORN, CIGARETTE LIGHTER AND CLOCK............................................................................................ 905 Wiring Diagram –– HORN ––................................................................................................ 905 REAR WINDOW DEFOGGER......................................................................................................... 907 Component Parts and Harness Connector Location........................................................................... 907 System Description....................................................................................................... 907 Schematic................................................................................................................ 908 Wiring Diagram - DEF -................................................................................................... 909 Trouble Diagnoses........................................................................................................ 912 Filament Check........................................................................................................... 916 Filament Repair.......................................................................................................... 917 AUDIO AND POWER ANTENNA...................................................................................................... 918 Audio/System Description................................................................................................. 918 Audio/Schematic.......................................................................................................... 919 Audio/Wiring Diagram - AUDIO -........................................................................................... 920 Power Antenna/System Description......................................................................................... 927 Power Antenna/Wiring Diagram - P/ANT -................................................................................... 928 Trouble Diagnoses........................................................................................................ 929 Location of Antenna...................................................................................................... 931 Antenna Rod Replacement.................................................................................................. 931 Window Antenna Repair.................................................................................................... 932 TELEPHONE.................................................................................................................... 934 Telephone Pre Wire/Schematic............................................................................................. 934 Telephone Pre Wire/Wiring Diagram - PHONE -.............................................................................. 935 TRUNK LID AND FUEL FILLER LID OPENERA........................................................................................ 938 Wiring Diagram - T&FLID -................................................................................................ 938 ELECTRIC SUNROOF............................................................................................................. 940 Wiring Diagram - SROOF -................................................................................................. 940 DOOR MIRROR.................................................................................................................. 942 Wiring Diagram - MIRROR -................................................................................................ 942 INSIDE MIRROR................................................................................................................ 943 Auto Anti-dazzling Inside Mirror/Wiring Diagram - I/MIRR -............................................................... 943 POWER SEAT (Passenger Side).................................................................................................. 944 Power Seat/Schematic..................................................................................................... 944 Power Seat/Wiring Diagram - SEAT -....................................................................................... 945 HEATED SEAT.................................................................................................................. 949 Heated Seat/Wiring Diagram - H/SEAT -.................................................................................... 949 AUTOMATIC SPEED CONTROL DEVICE (ASCD)........................................................................................ 951 Component Parts and Harness Connector Location........................................................................... 951 System Description....................................................................................................... 952 Schematic................................................................................................................ 954 Wiring Diagram - ASCD -.................................................................................................. 955 Trouble Diagnoses........................................................................................................ 960 ASCD Wire Adjustment..................................................................................................... 973 IVMS (LAN) - SYSTEM DESCRIPTION.............................................................................................. 974 Overall Description...................................................................................................... 974 Component Parts Location................................................................................................. 975 System Description....................................................................................................... 976 Sleep/Wake-up Control.................................................................................................... 977 Fail-safe System......................................................................................................... 977 BCM (Body Control Module)/Schematic...................................................................................... 978 Local Control Units (LCUs)/Schematic..................................................................................... 980 IVMS (LAN) - TROUBLE DIAGNOSES SYSTEM........................................................................................ 984 CONSULT.................................................................................................................. 984 IVMS Communication Diagnoses Results List................................................................................ 988 On-board Diagnosis....................................................................................................... 991 On-board Diagnosis - Mode I (IVMS communication diagnosis)............................................................... 992 On-board Diagnosis - Mode II (Switch monitor)............................................................................ 994 Main Power Supply, Ground and Communication Circuits/Schematic........................................................... 996 Main Power Supply, Ground and Communication Circuits/Wiring Diagram - COMM -............................................. 997 Work Flow................................................................................................................1001 Power Supply and Ground Circuit Check....................................................................................1002 Data Lines Circuit Check.................................................................................................1004 POWER WINDOW - IVMS..........................................................................................................1005 Component Parts and Harness Connector Location...........................................................................1005 System Description.......................................................................................................1005 Schematic................................................................................................................1006 Wiring Diagram - WINDOW -................................................................................................1007 Trouble Diagnoses........................................................................................................1011 POWER DOOR LOCK - IVMS.......................................................................................................1020 Component Parts and Harness Connector Location...........................................................................1020 System Description.......................................................................................................1021 Schematic................................................................................................................1022 Wiring Diagram - D/LOCK -................................................................................................1023 Trouble Diagnoses........................................................................................................1027 MULTI-REMOTE CONTROL SYSTEM - IVMS...........................................................................................1041 Component Parts and Harness Connector Location...........................................................................1041 System Description.......................................................................................................1042 Schematic................................................................................................................1044 Wiring Diagram - MULTI -.................................................................................................1045 Trouble Diagnoses........................................................................................................1051 Replacing Remote Controller or BCM.......................................................................................1061 INTERIOR ILLUMINATION CONTROL - IVMS.........................................................................................1064 System Description.......................................................................................................1064 Schematic................................................................................................................1068 Wiring Diagram - ROOM/L -................................................................................................1069 Trouble Diagnoses........................................................................................................1076 STEP LAMP - IVMS.............................................................................................................1086 Component Parts and Harness Connector Locations..........................................................................1086 System Description.......................................................................................................1087 Schematic................................................................................................................1088 Wiring Diagram - STEP/L -................................................................................................1089 Trouble Diagnoses........................................................................................................1094 REAR POWER WINDOW SWITCH ILLUMINATION - IVMS.................................................................................1097 System Description.......................................................................................................1097 Schematic................................................................................................................1098 Wiring Diagram - SW/ILL -................................................................................................1099 Trouble Diagnoses........................................................................................................1102 THEFT WARNING SYSTEM - IVMS..................................................................................................1104 Component Parts Harness Connector Location...............................................................................1104 System Description.......................................................................................................1105 Schematic................................................................................................................1107 Wiring diagram - THEFT -.................................................................................................1108 Trouble Diagnoses........................................................................................................1116 AUTOMATIC DRIVE POSITIONER - IVMS............................................................................................1131 Component Parts and Harness Connector Location...........................................................................1131 System Description.......................................................................................................1132 Schematic................................................................................................................1136 Wiring Diagram - AUT/DP -................................................................................................1137 Trouble Diagnoses........................................................................................................1148 IPPS (Infiniti Personal Protection System - NATS)............................................................................1180 Component Parts and Harness Connector Location...........................................................................1180 System Description.......................................................................................................1181 System Composition.......................................................................................................1181 Wiring Diagram - NATS -..................................................................................................1182 Trouble Diagnoses........................................................................................................1183 INTEGRATED HOMELINK TRANSMITTER..............................................................................................1198 Wiring Diagram - TRNSMT -................................................................................................1198 Trouble Diagnoses........................................................................................................1199 LOCATION OF ELECTRICAL UNITS.................................................................................................1200 Engine Compartment.......................................................................................................1200 Luggage Compartment......................................................................................................1201 Passenger Compartment....................................................................................................1202 HARNESS LAYOUT...............................................................................................................1204 Outline..................................................................................................................1204 How to Read Harness Layout...............................................................................................1205 Engine Room Harness......................................................................................................1206 Instrument Harness.......................................................................................................1209 Main Harness.............................................................................................................1210 Engine Control Harness...................................................................................................1212 Body Harness and Tail Harness............................................................................................1214 Body No. 2 Harness.......................................................................................................1216 Engine Harness...........................................................................................................1218 Room Lamp Harness........................................................................................................1219 Air Bag Harness..........................................................................................................1220 Front Door Harness.......................................................................................................1221 Rear Door Harness........................................................................................................1222 SPLICE LOCATION..............................................................................................................1223 How to Read Splice Location..............................................................................................1223 Engine Room Harness......................................................................................................1224 Main Harness.............................................................................................................1226 Instrument Harness.......................................................................................................1227 Engine Control Harness...................................................................................................1228 Engine Harness...........................................................................................................1229 Body Harness and Tail Harness............................................................................................1230 Body No. 2 Harness.......................................................................................................1231 Room Lamp Harness........................................................................................................1232 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...............................................................................................................................1233 QUICK REFERENCE INDEX........................................................................................................ 0 TABLE OF CONTENTS............................................................................................................1233 PRECAUTIONS..................................................................................................................1234 Parts Requiring Angular Tightening.......................................................................................1234 Liquid Gasket Application Procedure......................................................................................1234 PREPARATION..................................................................................................................1235 Special Service Tools....................................................................................................1235 Commercial Service Tools.................................................................................................1236 OUTER COMPONENT PARTS........................................................................................................1238 COMPRESSION PRESSURE.........................................................................................................1240 Measurement of Compression Pressure......................................................................................1240 OIL PAN......................................................................................................................1241 Removal..................................................................................................................1241 Installation.............................................................................................................1242 TIMING CHAIN.................................................................................................................1243 Removal..................................................................................................................1245 Inspection...............................................................................................................1248 Installation.............................................................................................................1249 OIL SEAL REPLACEMENT.........................................................................................................1258 CYLINDER HEAD................................................................................................................1260 Removal..................................................................................................................1261 Camshaft Removal.........................................................................................................1261 Camshaft Installation....................................................................................................1262 Cylinder Head Assembly Removal...........................................................................................1263 Disassembly..............................................................................................................1264 Inspection...............................................................................................................1266 Assembly.................................................................................................................1271 Installation.............................................................................................................1271 ENGINE REMOVAL...............................................................................................................1274 Removal..................................................................................................................1275 CYLINDER BLOCK...............................................................................................................1276 Disassembly..............................................................................................................1277 Inspection...............................................................................................................1278 Assembly.................................................................................................................1283 SERVICE DATA AND SPECIFICATIONS (SDS)........................................................................................1287 General Specifications...................................................................................................1287 Inspection and Adjustment................................................................................................1287 fa...............................................................................................................................1294 QUICK REFERENCE INDEX........................................................................................................ 0 TABLE OF CONTENTS............................................................................................................1294 PRECAUTIONS AND PREPARATION..................................................................................................1295 Precautions..............................................................................................................1295 Special Service Tools....................................................................................................1295 Commercial Service Tools.................................................................................................1295 FRONT AXLE AND FRONT SUSPENSION..............................................................................................1296 ON-VEHICLE SERVICE...........................................................................................................1297 Front Axle and Front Suspension Parts....................................................................................1297 Front Wheel Bearing......................................................................................................1297 Front Wheel Alignment....................................................................................................1299 Drive Shaft..............................................................................................................1301 FRONT AXLE...................................................................................................................1302 Wheel Hub and Rotor Disc.................................................................................................1303 Knuckle Spindle..........................................................................................................1305 Drive Shaft..............................................................................................................1307 FRONT SUSPENSION.............................................................................................................1312 Coil Spring and Strut Assembly...........................................................................................1313 Stabilizer Bar...........................................................................................................1314 Transverse Link and Lower Ball Joint.....................................................................................1315 SERVICE DATA AND SPECIFIATIONS (SDS).........................................................................................1317 General Sepcifications...................................................................................................1317 Inspection and Adjustment................................................................................................1317 fe...............................................................................................................................1320 QUICK REFERENCE INDEX........................................................................................................ 0 TABLE OF CONTENTS............................................................................................................1320 ACCELERATOR CONTROL SYSTEM...................................................................................................1321 Special Service Tool.....................................................................................................1321 Adjusting Accelerator Wire...............................................................................................1322 FUEL SYSTEM..................................................................................................................1323 EXHAUST SYSTEM...............................................................................................................1324 foldout..........................................................................................................................1327 QUICK REFERENCE INDEX........................................................................................................ 0 ELECTRICAL SYSTEM............................................................................................................ 3 SUPER MULTIPLE JUNCTION (SMJ)................................................................................................1327 Terminal Arrangement.....................................................................................................1327 FUSE BLOCK - Junction Box (J/B)..............................................................................................1329 Terminal Arrangement.....................................................................................................1329 FUSE AND FUSIBLE LINK BOX....................................................................................................1330 Terminal Arrangement.....................................................................................................1330 ELECTRICAL UNITS.............................................................................................................1331 Terminal Arrangement.....................................................................................................1331 JOINT CONNECTOR (J/C)........................................................................................................1332 Terminal Arrangement.....................................................................................................1332 gi...............................................................................................................................1333 QUICK REFERENCE INDEX........................................................................................................ 0 TABLE OF CONTENTS............................................................................................................1333 PRECAUTIONS..................................................................................................................1334 Supplemental Restraint System (SRS) "AIR BAG"............................................................................1334 Precautions for IPPS (Infiniti Personal Protection System - NATS)........................................................1334 General Precautions......................................................................................................1335 Precautions for Multiport Fuel Injection System or ECCS Engine...........................................................1337 Precautions for Three Way Catalyst.......................................................................................1337 Engine Oils..............................................................................................................1337 Precautions for Fuel.....................................................................................................1338 Precautions for Air Conditioning.........................................................................................1338 HOW TO USE THIS MANUAL.......................................................................................................1339 HOW TO READ DIAGRAMS.........................................................................................................1341 Sample/Wiring Diagram - EXAMPL -.........................................................................................1341 Description..............................................................................................................1343 Wiring Diagram Codes (Cell Codes)........................................................................................1351 HOW TO PERFORM EFFICIENT DIAGNOSIS FOR AN ELECTRICAL INCIDENT................................................................1353 Work Flow................................................................................................................1353 Incident Simulation Tests................................................................................................1354 Circuit Inspection.......................................................................................................1358 HOW TO FOLLOW FLOW CHART IN TROUBLE DIAGNOSES................................................................................1364 CONSULT CHECKING SYSTEM......................................................................................................1367 Function and System Application..........................................................................................1367 Lithium Battery Replacement..............................................................................................1367 Checking Equipment.......................................................................................................1367 IDENTIFICATION INFORMATION...................................................................................................1368 Model Variation..........................................................................................................1368 Identification Number....................................................................................................1369 Dimenstions..............................................................................................................1370 Wheels and Tires.........................................................................................................1370 LIFTING POINTS AND TOW TRUCKING TOWING.......................................................................................1371 Preparation..............................................................................................................1371 Board-on Lift............................................................................................................1371 Garage Jack and Safety Stand.............................................................................................1372 2-pole Lift..............................................................................................................1373 Tow Truck Towing.........................................................................................................1373 TIGHTENING TORQUE OF STANDARD BOLTS..........................................................................................1375 SAE J1930 TERMINOLOGY LIST...................................................................................................1376 SAE J1930 Terminology List...............................................................................................1376 ha...............................................................................................................................1380 QUICK REFERENCE INDEX........................................................................................................ 0 TABLE OF CONTENTS............................................................................................................1380 PRECAUTIONS AND PREPARATION..................................................................................................1381 Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"..............................................1381 Precautions for Working with HFC-134a (R-134a)...........................................................................1381 General Refrigerant Precautions..........................................................................................1381 Precautions for Refrigerant Connection...................................................................................1382 Precautions for Servicing Compressor.....................................................................................1385 Special Service Tools....................................................................................................1385 HFC-134a (R-134a) Service Tools and Equipment............................................................................1386 Precautions for Service Equipment........................................................................................1388 DESCRIPTION..................................................................................................................1390 Refrigeration Cycle......................................................................................................1390 V-6 Variable Displacement Compressor.....................................................................................1391 Component Layout.........................................................................................................1394 Introduction.............................................................................................................1395 Features.................................................................................................................1395 Overview of Control System...............................................................................................1396 Control Operation........................................................................................................1396 Discharge Air Flow.......................................................................................................1398 TROUBLE DIAGNOSES............................................................................................................1400 How to Perform Trouble Diagnoses for Quick and Accurate Repair...........................................................1400 Operational Check........................................................................................................1401 Symptom Chart............................................................................................................1404 Self-diagnosis...........................................................................................................1405 Preliminary Check........................................................................................................1412 Performance Test Diagnoses...............................................................................................1420 Performance Chart........................................................................................................1422 Trouble Diagnoses for Abnormal Pressure..................................................................................1423 A/C Harness Layout.......................................................................................................1426 Circuit Diagram..........................................................................................................1428 Wiring Diagram - A/C -...................................................................................................1429 Auto Amp. Terminals and Reference Value..................................................................................1438 Main Power Supply and Ground Circuit Check...............................................................................1441 Self-diagnosis Circuit...................................................................................................1443 Ambient Sensor Circuit...................................................................................................1444 In-vehicle Sensor Circuit................................................................................................1447 Intake Sensor Circuit....................................................................................................1450 Sunload Sensor Circuit...................................................................................................1451 Air Mix Door Motor PBR Circuit...........................................................................................1454 Bi-level Door Motor PBR Circuit..........................................................................................1456 Mode Door Motor Circuit..................................................................................................1458 Intake Door Motor Circuit................................................................................................1463 Air Mix Door Motor Circuit...............................................................................................1467 Blower Motor Circuit.....................................................................................................1470 Magnet Clutch Circuit....................................................................................................1474 Rear Vent Door Motor Circuit.............................................................................................1478 Bi-level Door Motor Circuit..............................................................................................1479 Control Linkage Adjustment...............................................................................................1481 SERVICE PROCEDURES...........................................................................................................1483 HFC-134a (R-134a) Service Procedure......................................................................................1483 Maintenance of Lubricant Quantity in Compressor..........................................................................1485 Refrigerant Lines........................................................................................................1487 Checking Refrigerant Lines...............................................................................................1488 Compressor Mounting......................................................................................................1490 Belt Tension.............................................................................................................1491 Fast Idle Control Device (FICD)..........................................................................................1491 Compressor...............................................................................................................1491 Compressor Clutch........................................................................................................1492 Ventilation Air Filter...................................................................................................1494 SERVICE DATA AND SPECIFICATIONS (SDS)........................................................................................1496 General Specifications...................................................................................................1496 Inspection and Adjustment................................................................................................1496 idx..............................................................................................................................1497 QUICK REFERENCE INDEX........................................................................................................ 0 lc...............................................................................................................................1505 QUICK REFERENCE INDEX........................................................................................................ 0 TABLE OF CONTENTS............................................................................................................1505 PRECAUTIONS AND PREPARATION..................................................................................................1506 Liquid Gasket Application Procedure......................................................................................1506 Special Service Tools....................................................................................................1506 ENGINE LUBRICATION SYSTEM....................................................................................................1507 Lubrication Circuit......................................................................................................1507 Oil Pressure Check.......................................................................................................1508 Oil Pump.................................................................................................................1509 ENGINE COOLING SYSTEM........................................................................................................1512 Cooling Circuit..........................................................................................................1512 System Check.............................................................................................................1512 Water Pump...............................................................................................................1513 Thermostat...............................................................................................................1515 Radiator.................................................................................................................1517 Cooling Fan (Crankshaft driven)..........................................................................................1521 Cooling fan (Motor driven)...............................................................................................1521 Overheating Cause Analysis...............................................................................................1522 SERVICE DATA AND SPECIFICATIONS (SDS)........................................................................................1523 Engine Lubrication System................................................................................................1523 Engine Cooling System....................................................................................................1523 ma...............................................................................................................................1524 QUICK REFERENCE INDEX........................................................................................................ 0 TABLE OF CONTENTS............................................................................................................1524 PRECAUTIONS..................................................................................................................1525 Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"..............................................1525 GENERAL MAINTENANCE..........................................................................................................1526 PERIODIC MAINTENANCE.........................................................................................................1528 Schedule 1...............................................................................................................1529 Schedule 2...............................................................................................................1530 RECOMMENDED FLUIDS AND LUBRICANTS............................................................................................1531 Fluids and Lubricants....................................................................................................1531 SAE Viscosity Number.....................................................................................................1531 Anti-freeze Coolant Mixture Ratio........................................................................................1532 ENGINE MAINTENANCE...........................................................................................................1533 Checking Drive Belts.....................................................................................................1533 Checking Engine Coolant..................................................................................................1534 Checking Fuel Lines......................................................................................................1535 Changing Fuel Filter.....................................................................................................1536 Changing Air Cleaner Filter..............................................................................................1536 Changing Engine Oil......................................................................................................1537 Changing Oil Filter......................................................................................................1537 Changing Spark Plugs.....................................................................................................1538 Checking EVAP Vapor Purge Lines..........................................................................................1539 CHASSIS AND BODY MAINTENANCE.................................................................................................1540 Checking Exhaust System..................................................................................................1540 Checking A/T Fluid.......................................................................................................1540 Changing A/T Fluid.......................................................................................................1541 Checking Differential Gear Oil...........................................................................................1541 Changing Differential Gear Oil...........................................................................................1541 Balancing Wheels.........................................................................................................1541 Tire Rotation............................................................................................................1542 Checking Brake Fluid Level and Leaks.....................................................................................1542 Checking Brake Lines and Cables..........................................................................................1542 Changing Brake Fluid.....................................................................................................1542 Checking Disc Brake......................................................................................................1542 Checking Steering Gear Linkage...........................................................................................1543 Checking Power Steering Fluids and Lines.................................................................................1543 Lubricating Locks, Hinges and Hood Latches...............................................................................1544 Checking Seat Belts, Buckles, Retractors, Anchors and Adjusters..........................................................1544 SERVICE DATA AND SPECIFICATIONS (SDS)........................................................................................1545 Engine Maintenance.......................................................................................................1545 Chassis and Body Maintenance.............................................................................................1545 pd...............................................................................................................................1546 QUICK REFERENCE INDEX........................................................................................................ 0 TABLE OF CONTENTS............................................................................................................1546 PREPARATION..................................................................................................................1547 Special Service Tools....................................................................................................1547 Commercial Service Tools.................................................................................................1549 PROPELLER SHAFT..............................................................................................................1550 On-vehicle Service.......................................................................................................1550 Removal..................................................................................................................1550 Installation.............................................................................................................1551 Inspection...............................................................................................................1552 Disassembly..............................................................................................................1552 Assembly.................................................................................................................1553 ON-VEHICLE SERVICE/REMOVAL AND INSTALLATION..................................................................................1554 Front Oil Seal Replacement...............................................................................................1554 Side Oil Seal Replacement................................................................................................1554 Removal..................................................................................................................1555 Installation.............................................................................................................1555 FINAL DRIVE..................................................................................................................1556 DISASSEMBLY..................................................................................................................1557 Pre-inspection...........................................................................................................1557 Differential Carrier.....................................................................................................1557 Differential Case........................................................................................................1559 INSPECTION...................................................................................................................1561 Contact Surfaces.........................................................................................................1561 Bearing..................................................................................................................1561 ADJUSTMENT...................................................................................................................1562 Differential Case........................................................................................................1562 Side Bearing Preload.....................................................................................................1563 Pinion Gear Height and Pinion Bearing Preload............................................................................1564 Tooth Contact............................................................................................................1569 ASSEMBLY.....................................................................................................................1570 SERVICE DATA AND SPECIFICATIONS (SDS)........................................................................................1574 Propeller Shaft..........................................................................................................1574 Final Drive..............................................................................................................1574 ra...............................................................................................................................1576 QUICK REFERENCE INDEX........................................................................................................ 0 TABLE OF CONTENTS............................................................................................................1576 PRECAUTIONS AND PREPARATION..................................................................................................1577 Precautions..............................................................................................................1577 Special Service Tools....................................................................................................1577 Commercial Service Tools.................................................................................................1578 REAR AXLE AND REAR SUSPENSION................................................................................................1579 ON-VEHICLE SERVICE...........................................................................................................1580 Rear Axle and Rear Suspension Parts......................................................................................1580 Rear Wheel Bearing.......................................................................................................1581 Rear Wheel Alignment.....................................................................................................1581 Drive Shaft..............................................................................................................1582 REAR AXLE....................................................................................................................1583 Wheel Hub and Axle Housing...............................................................................................1583 Drive Shaft..............................................................................................................1589 REAR SUSPENSION..............................................................................................................1593 Removal and Installation.................................................................................................1594 Coil Spring and Shock Absorber...........................................................................................1595 Multi-link and Lower Ball Joint..........................................................................................1596 Stabilizer Bar...........................................................................................................1599 SERVICE DATA AND SPECIFICATIONS (SDS)........................................................................................1600 General Specifications...................................................................................................1600 Inspection and Adjustment................................................................................................1600 rs...............................................................................................................................1601 QUICK REFERENCE INDEX........................................................................................................ 0 TABLE OF CONTENTS............................................................................................................1601 PRECAUTION...................................................................................................................1602 Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER".............................................1602 SEAT BELT....................................................................................................................1603 Front Seat Belt..........................................................................................................1604 Rear Seat Belt...........................................................................................................1605 SUPPLEMENTAL RESTRAINT SYSTEM (SRS)..........................................................................................1606 Precautions for SRS "Air Bag" and "Seat Belt Pre-tensioner" Service......................................................1606 Special Service Tools....................................................................................................1606 Description..............................................................................................................1607 SRS Component Parts Location.............................................................................................1607 Maintenance Items........................................................................................................1608 Removal and Installation - Diagnosis Sensor Unit and Seat Belt Pre-tensioner.............................................1609 Removal - Air Bag Module and Spiral Cable................................................................................1610 Removal - Front Passenger Air Bag Module.................................................................................1611 Installation - Air Bag Module and Spiral Cable...........................................................................1612 Installation - Front Passenger Air Bag Module............................................................................1613 Disposal of Aur Bag Module and Seat Belt Pre-tensioner...................................................................1613 TROUBLE DIAGNOSES - Supplemental Restraint System (SRS)......................................................................1618 How to Perform Trouble Diagnoses for Quick and Accurate Repair...........................................................1618 Schematic................................................................................................................1620 Wiring Diagram - SRS -...................................................................................................1621 Self-diagnosis...........................................................................................................1623 Trouble Diagnoses for Air Bag Warning Lamp...............................................................................1638 Trouble Diagnosis for Seat Belt Pre-tensioner............................................................................1640 COLLISION DIAGNOSIS..........................................................................................................1642 st...............................................................................................................................1643 QUICK REFERENCE INDEX........................................................................................................ 0 TABLE OF CONTENTS............................................................................................................1643 PRECAUTIONS AND PREPARATION..................................................................................................1644 Precautions..............................................................................................................1644 Special Service Tools....................................................................................................1644 Commercial Service tools.................................................................................................1646 ON-VEHICLE SERVICE...........................................................................................................1647 Checking Steering Wheel Play.............................................................................................1647 Checking Nuetral Position on Steering Wheel..............................................................................1647 Front Wheel Turning Angle................................................................................................1647 Checking Gear Housing Movement...........................................................................................1648 Adjusting Rack Retainer..................................................................................................1648 Checking and Adjusting Drive Belts (For power steering)..................................................................1648 Checking Fluid Level.....................................................................................................1648 Checking Fluid Leakage...................................................................................................1649 Bleeding Hydraulic System................................................................................................1649 Checking Steering Wheel Turning Force (For power steering)...............................................................1650 Checking Hydraulic System................................................................................................1650 STEERING WHEEL AND STEERING COLUMN...........................................................................................1652 Removal..................................................................................................................1652 Installation.............................................................................................................1653 Disassembly and Assembly.................................................................................................1654 Inspection...............................................................................................................1655 POWER STEERING GEAR AND LINKAGE..............................................................................................1656 Removal and Installation.................................................................................................1656 Disassembly..............................................................................................................1659 Inspection...............................................................................................................1659 Assembly.................................................................................................................1661 Adjustment...............................................................................................................1666 POWER STEERING OIL PUMP......................................................................................................1668 Pre-disassembly Inspection...............................................................................................1668 Disassembly..............................................................................................................1668 Inspection...............................................................................................................1669 Assembly.................................................................................................................1669 TWIN ORIFICE POWER STEERING SYSTEM...........................................................................................1671 Hydraulic Circuit........................................................................................................1671 Wiring Diagram...........................................................................................................1672 TWIN ORIFICE POWER STEERING SYSTEM - Trouble Diagnoses.......................................................................1674 Precautions..............................................................................................................1674 Diagnostic Procedure.....................................................................................................1675 Control Unit Inspection Table............................................................................................1678 SERVICE DATA AND SPECFICATIONS (SDS).........................................................................................1679 General Specifications...................................................................................................1679 Inspection and Adjustment................................................................................................1679 1997_Q45_Body_Repair_Manual......................................................................................................1681 1997 Infinitie Q45 Body Repair Manual........................................................................................1681 5FY3397......................................................................................................................1681 Table of Contents............................................................................................................1683
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DESCRIPTION:
1997 INFINITI Q45 FY33 Series Service Manual PDF DOWNLOAD
FOREWORD
- This manual contains maintenance and repair procedures for the 1997 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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