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1995 INFINITI Q45 G50 Series Service Manual PDF DOWNLOAD
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Description
1995 INFINITI Q45 G50 Series Service Manual PDF DOWNLOAD
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1995 INFINITI Q45 G50 Series Service Manual PDF DOWNLOAD
Language : English
Pages : 1360
Downloadable : Yes
File Type : PDF
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TABLE OF CONTENTS:
1995 INFINITI Q45 G50 Series Service Manual PDF DOWNLOAD
fwd......................................................................................... 1 Model Selection......................................................................... 0 QUICK REFERENCE INDEX................................................................... 1 FOREWORD................................................................................ 2 GI - General Information................................................................ 0 MA - Maintenance........................................................................ 0 EM - Engine Mechanical.................................................................. 0 LC - Engine Lubrication & Cooling System................................................ 0 EF & EC - Engine Fuel & Emission Control System......................................... 0 FE - Acceleration 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 Quick Reference Chart................................................................... 3 at.......................................................................................... 4 QUICK REFERENCE INDEX................................................................... 0 TABLE OF CONTENTS....................................................................... 4 PREPARATION AND PRECAUTIONS............................................................. 5 Special Service Tools............................................................... 5 Precautions......................................................................... 6 Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"......... 7 DESCRIPTION............................................................................. 8 Cross-sectional View................................................................ 8 Hydraulic Control Circuits.......................................................... 9 Shift Mechanism..................................................................... 10 Control System...................................................................... 12 TROUBLE DIAGNOSES....................................................................... 14 Contents............................................................................ 14 A/T Electrical Parts Location....................................................... 37 TROUBLE DIAGNOSES - A/T Shift Lock System............................................... 94 Contents............................................................................ 94 ON-VEHICLE SERVICE...................................................................... 109 Control Valve Assembly and Accumulators Inspection.................................. 109 Kickdown Switch Adjustment.......................................................... 109 Revolution Sensor Replacement....................................................... 110 Rear Oil Seal Replacement........................................................... 110 Parking Components Inspection....................................................... 110 Inhibitor Switch Adjustment......................................................... 111 Manual Control Linkage Adjustment................................................... 111 REMOVAL AND INSTALLATION................................................................ 112 Removal............................................................................. 112 Installation........................................................................ 114 MAJOR OVERHAUL.......................................................................... 115 Oil Channel......................................................................... 117 Locations of Needle Bearings, Thrust Washers and Snap Rings......................... 118 DISASSEMBLY............................................................................. 119 REPAIR FOR COMPONENT PARTS.............................................................. 131 Oil Pump............................................................................ 131 Control Valve Assembly.............................................................. 135 Control Valve Upper Body............................................................ 141 Control Valve Lower Body............................................................ 147 Reverse Clutch...................................................................... 149 High Clutch......................................................................... 153 Forward and Overrun Clutches........................................................ 155 Low & Reverse Brake................................................................. 159 Forward Clutch Drum Assembly........................................................ 163 Rear Internal Gear and Forward Clutch Hub........................................... 165 Band Servo Piston Assembly.......................................................... 167 Parking Pawl Components............................................................. 171 ASSEMBLY................................................................................ 173 Assembly (1)........................................................................ 173 Adjustment.......................................................................... 178 Assembly (2)........................................................................ 182 SERVICE DATA AND SPECIFICATIONS......................................................... 192 General Specifications.............................................................. 192 Specifications and Adjustment....................................................... 192 br.......................................................................................... 196 QUICK REFERENCE INDEX................................................................... 0 TABLE OF CONTENTS....................................................................... 196 PRECAUTIONS AND PREPARATION............................................................. 198 Precautions......................................................................... 198 Special Service Tools............................................................... 198 Commercial Service Tools............................................................ 198 CHECK AND ADJUSTMENT.................................................................... 199 Checking Brake Fluid Level.......................................................... 199 Checking Brake Line................................................................. 199 Changing Brake Fluid................................................................ 199 Bleed Brake System.................................................................. 199 BRAKE HYDRAULIC LINE/CONTROL VALVE...................................................... 200 Removal............................................................................. 200 Inspection.......................................................................... 200 Installation........................................................................ 200 Proportioning Valve................................................................. 201 BRAKE PEDAL AND BRACKET................................................................. 202 Removal and Installation............................................................ 202 Inspection.......................................................................... 202 Adjustment.......................................................................... 203 MASTER CYLINDER......................................................................... 204 Removal............................................................................. 204 Disassembly......................................................................... 204 Inspection.......................................................................... 205 Assembly............................................................................ 205 Installation........................................................................ 205 BRAKE BOOSTER........................................................................... 206 On-vehicle Service.................................................................. 206 Removal............................................................................. 206 Inspection.......................................................................... 206 Installation........................................................................ 207 VACUUM PIPING........................................................................... 208 Removal and Installation............................................................ 208 Inspection.......................................................................... 208 FRONT DISC BRAKE........................................................................ 209 Pad Replacement..................................................................... 209 Removal............................................................................. 210 Disassembly......................................................................... 210 Inspection - Caliper................................................................ 210 Inspection - Rotor.................................................................. 211 Assembly............................................................................ 211 Installation........................................................................ 211 REAR DISC BRAKE......................................................................... 212 Pad Replacement..................................................................... 212 Removal............................................................................. 213 Disassembly......................................................................... 213 Inspection - Caliper................................................................ 213 Inspection - Rotor.................................................................. 214 Assembly............................................................................ 214 Installation........................................................................ 214 Parking Drum Brake.................................................................. 215 PARKING BRAKE CONTROL................................................................... 218 Removal and Installation............................................................ 218 Inspection.......................................................................... 219 Adjustment.......................................................................... 219 ANTI-LOCK BRAKE SYSTEM - ABS -.......................................................... 220 System Components................................................................... 220 Hydraulic Circuit................................................................... 220 Wiring Diagram...................................................................... 221 Removal and Installation............................................................ 222 TROUBLE DIAGNOSES FOR ABS............................................................... 224 Contents............................................................................ 224 TRACTION CONTROL SYSTEM - TCS -......................................................... 245 Purpose of TCS...................................................................... 245 System Components................................................................... 246 Components for TCS Brake System..................................................... 247 Throttle Valve Control System for TCS............................................... 251 Engine + Brake TCS System Configuration............................................. 251 Component........................................................................... 252 Throttle Memory Function............................................................ 253 Secondary Throttle Fully-closed Position Self-learning Control...................... 253 Removal and Installation of TCS Actuator ........................................... 254 Air Bleeding for TCS................................................................ 255 Removal and Installation of TCS Pump................................................ 255 Removal and Installation of Rear Wheel Sensor....................................... 256 Removal and Installation of TCM..................................................... 256 Removal and Installation of TCS Control Unit........................................ 257 Removal and Installation of Front Wheel Sensor...................................... 257 Removal and Installation of ABS Actuator............................................ 257 Removal and Installation of Throttle Motor.......................................... 257 Adjustment for Secondary Throttle Position Sensor................................... 258 TROUBLE DIAGNOSES FOR TCS............................................................... 259 Contents............................................................................ 259 SERVICE DATA AND SPECIFICATIONS......................................................... 311 General Specifications.............................................................. 311 Inspection and Adjustment........................................................... 311 bt.......................................................................................... 312 QUICK REFERENCE INDEX................................................................... 0 TABLE OF CONTENTS....................................................................... 312 GENERAL SERVICING....................................................................... 313 Precautions......................................................................... 313 Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"......... 313 Clip Fastener....................................................................... 313 BODY END................................................................................ 315 Body Front End...................................................................... 315 Body Rear End and Opener............................................................ 317 DOOR.................................................................................... 319 Front door.......................................................................... 319 Rear Door........................................................................... 320 INSTRUMENT PANEL........................................................................ 321 INTERIOR TRIM........................................................................... 323 EXTERIOR TRIM........................................................................... 329 SEAT.................................................................................... 335 Front Seat.......................................................................... 335 Rear Seat........................................................................... 339 SUN ROOF................................................................................ 340 WINDSHIELD AND WINDOWS.................................................................. 342 Windshield and Rear Window.......................................................... 342 Opera Window........................................................................ 343 DOOR MIRROR............................................................................. 344 REAR AIR SPOILER........................................................................ 345 Rear Air Spoiler.................................................................... 345 BODY ALIGNMENT.......................................................................... 346 Engine Compartment.................................................................. 346 Underbody........................................................................... 348 ec.......................................................................................... 350 QUICK REFERENCE INDEX................................................................... 0 TABLE OF CONTENTS....................................................................... 350 PREPARATION AND PRECAUTIONS............................................................. 352 Special Service Tools............................................................... 352 Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"......... 352 Engine Fuel & Emission Control System............................................... 353 ENGINE AND EMISSION CONTROL OVERALL SYSTEM.............................................. 354 ECCS Component Parts Location....................................................... 354 System Diagram...................................................................... 356 System Chart........................................................................ 357 Vacuum Hose Drawing................................................................. 358 Circuit Diagram..................................................................... 359 ENGINE AND EMISSION CONTROL PARTS DESCRIPTION........................................... 360 Engine Control Module (ECM)-ECCS Control Module..................................... 360 Camshaft Position Sensor (CMPS)..................................................... 360 Mass Air Flow Sensor (MAFS)......................................................... 360 Engine Coolant Temperature Sensor (ECTS)............................................ 361 Throttle Position Sensor (TPS) & Soft/Hard Closed Throttle Position (CTP) Switch.... 361 Secondary Throttle Position Sensor (TPS) (Models with TCS only)..................... 362 Fuel Injector....................................................................... 362 Fuel Pressure Regulator............................................................. 363 Fuel Pump........................................................................... 363 Heated Oxygen Sensor (HO2S)......................................................... 363 Fuel Pump Control Unit.............................................................. 363 Fuel Damper......................................................................... 364 Power Transistor Unit & Ignition Coil............................................... 364 Fast Idle Cam (FIC)................................................................. 364 Air Cut Valve (Models with TCS only)................................................ 364 Idle Air Control Valve (IAVC)-Auxiliary Air Control (AAC) Valve..................... 365 Power Steeing Oil Pressure Switch................................................... 365 Vehicle Speed Sensor (VSS).......................................................... 365 Knock Sensor (KS)................................................................... 365 Exhaust Gas Recirculation (EGR) Valve............................................... 365 EGR Control (EGRC)-BPT Valve........................................................ 366 EGR Control (EGRC)-Solenoid Valve................................................... 366 Canister Solenoid Valve............................................................. 366 Fuel Filter......................................................................... 366 Data Link Connector for CONSULT..................................................... 366 EGR Temperature Sensor.............................................................. 367 Valve Timing Control (VTC) Solenoid Valve........................................... 367 Carbon Canister..................................................................... 367 ENGINE AND EMISSION CONTROL SYSTEM DESCRIPTION.......................................... 368 Multiport Fuel Injection (MFI) System............................................... 368 Electronic Ignition (EI) System..................................................... 371 Idle Air Control (IAC) System....................................................... 373 Fuel Pump Control................................................................... 374 Exhaust Gas Recirculation (EGR) System.............................................. 375 Canister Control.................................................................... 375 Air Conditioner Cut Control......................................................... 376 Valve Timing Control (VTC).......................................................... 376 Heated Oxygen Sensor (HO2S) Heater Control.......................................... 378 Cooling Fan Control (For U.S.A. models)............................................. 379 Cooling Fan Control (For Canada models)............................................. 379 Fail-safe System.................................................................... 380 Direct Ignition System.............................................................. 382 IDLE SPEED/IGNITION TIMING/IDLE MIXTURE RATIO INSPECTION................................ 384 TROUBLE DIAGNOSES....................................................................... 391 Contents............................................................................ 391 MULTIPORT FUEL INJECTION SYSTEM INSPECTION.............................................. 575 Releasing Fuel Pressure............................................................. 575 Fuel Pressure Check................................................................. 575 Injector Removal and Installation................................................... 576 EVAPORATIVE EMISSION SYSTEM............................................................. 577 Description......................................................................... 577 Inspection.......................................................................... 577 CRANKCASE EMISSION CONTROL SYSTEM....................................................... 579 Description......................................................................... 579 Inspection.......................................................................... 579 SERVICE DATA AND SPECIFICATIONS (SDS)................................................... 580 General Specifications.............................................................. 580 Inspection and Adjustment........................................................... 580 el.......................................................................................... 581 QUICK REFERENCE INDEX................................................................... 0 TABLE OF CONTENTS....................................................................... 581 PRECAUTIONS............................................................................. 583 Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"......... 583 HARNESS CONNECTOR....................................................................... 584 Description......................................................................... 584 STANDARDIZED RELAY...................................................................... 585 Description......................................................................... 585 POWER SUPPLY ROUTING.................................................................... 588 Wiring Diagram...................................................................... 588 Fuse................................................................................ 590 Fusible Link........................................................................ 590 Circuit Breaker..................................................................... 590 BATTERY................................................................................. 591 How to Handle Battery............................................................... 591 Service Data and Specifications (SDS)............................................... 593 STARTING SYSTEM......................................................................... 594 Construction........................................................................ 594 Removal and Installation............................................................ 594 Wiring Diagram...................................................................... 595 Service Data and Specifications (SDS)............................................... 595 CHARGING SYSTEM......................................................................... 596 Construction........................................................................ 596 Removal and Installation............................................................ 596 Wiring Diagram...................................................................... 597 Service Data and Specifications (SDS)............................................... 597 COMBINATION SWITCH...................................................................... 598 Combination Switch/Check............................................................ 598 Steering Switch/Check............................................................... 599 HEADLAMP................................................................................ 600 Schematic........................................................................... 600 Wiring Diagram...................................................................... 601 Operation (Daytime light system for Canada)......................................... 602 Schematic........................................................................... 602 Wiring Diagram...................................................................... 603 Bulb Replacement.................................................................... 604 Aiming Adjustment................................................................... 604 Headlamp Sensor Check............................................................... 605 EXTERIOR LAMP........................................................................... 606 Clearance, License, Tail and Stop Lamps/Wiring Diagram.............................. 606 Back-up Lamp/Wiring Diagram......................................................... 607 Front Fog Lamp/Wiring Diagram....................................................... 608 Turn Signal and Hazard Warning Lamps/Wiring Diagram................................. 609 Fog Lamp Aiming Adjustment.......................................................... 610 Stop and Tail Lamp Sensor Check..................................................... 610 Combination Flasher Unit Check...................................................... 610 Bulb Specifications................................................................. 611 INTERIOR LAMP........................................................................... 612 Illumination/Wiring Diagram......................................................... 612 Interior, Spot, Foot and Trunk Room Lamps/Wiring Diagram............................ 614 Courtesy Lamp/Wiring Diagram........................................................ 615 Illumination Control Switch Check................................................... 616 METERS AND GAUGES....................................................................... 617 Combination Meter................................................................... 617 Speedometer, Tachometer, Temp. and Fuel Gauges/Wiring Diagram....................... 618 Inspection/Fuel Gauge and Water Temperature Gauge................................... 619 Inspection/Vehicle Speed Sensor Signal Circuit...................................... 620 Inspection/Tachometer............................................................... 621 Fuel Tank Gauge Unit Check.......................................................... 621 Fuel Warning Lamp Sensor Check...................................................... 622 Thermal Transmitter Check........................................................... 622 Oil Pressure Switch Check........................................................... 622 WARNING LAMPS AND CHIME................................................................. 623 Warning Lamps/Schematic............................................................. 623 Warning Lamps/Wiring Diagram........................................................ 624 Warning Chime/Wiring Diagram........................................................ 626 Diode Check......................................................................... 627 Warning Chime Check................................................................. 627 DIAGNOSTIC INFORMATON DISPLAY........................................................... 628 Description......................................................................... 628 Self-check.......................................................................... 629 Wiring Diagram...................................................................... 630 Trouble Diagnoses................................................................... 632 LAN - SYSTEM DESCRIPTION................................................................ 641 System Diagram...................................................................... 641 Component Parts Location............................................................ 642 Circuit Diagram..................................................................... 643 Overall Description................................................................. 651 Sleep/Wake-up Control............................................................... 653 Fail-safe System.................................................................... 654 LAN - TROUBLE DIAGNOSES................................................................. 657 Work Flow........................................................................... 657 On-board Diagnosis.................................................................. 658 On-board Diagnosis - Mode I (LAN communication diagnosis)........................... 659 On-board Diagnosis - Mode II (Switch monitor)....................................... 662 On-board Diagnosis - Mode III (Power door lock operation)........................... 664 On-board Diagnosis - Mode IV (Power window monitor)................................. 666 On-board Diagnosis - Mode V (Automatic drive positioner operation).................. 668 Consult............................................................................. 670 Consult - Self-diagnostic Results................................................... 673 LAN Communication Check............................................................. 680 POWER WINDOW - LAN...................................................................... 687 Component Parts and Harness Connector Location...................................... 687 Wiring Diagram...................................................................... 688 Schematic........................................................................... 690 Trouble Diagnoses................................................................... 691 POWER DOOR LOCK - LAN................................................................... 699 Component Parts and Harness Connector Location...................................... 699 Wiring Diagram...................................................................... 700 Schematic........................................................................... 702 Trouble Diagnoses................................................................... 703 AUTOMATIC DRIVE POSITIONER - LAN........................................................ 709 Component Parts and Harness Connector Location...................................... 709 Wiring Diagram...................................................................... 710 Schematic........................................................................... 712 System Description.................................................................. 713 Malfunction Indication.............................................................. 716 Trouble Diagnoses................................................................... 717 POWER SEAT (FRONT RH) - LAN............................................................. 734 Wiring Diagram...................................................................... 734 MULTI-REMOTE CONTROL SYSTEM - LAN....................................................... 735 Schematic........................................................................... 735 Wiring Diagram...................................................................... 736 Trouble Diagnoses................................................................... 738 Replacing Remote Controller or Multi-Remote Control Unit (LCU07).................... 741 DOOR MIRROR - LAN....................................................................... 742 Wiring Diagram...................................................................... 742 Trouble Diagnoses................................................................... 743 TIME CONTROL SYSTEM - LAN............................................................... 749 Description......................................................................... 749 Wiring Diagram...................................................................... 750 Trouble Diagnoses................................................................... 752 THEFT WARNING SYSTEM - LAN.............................................................. 767 Component Parts and Harness Connector Location...................................... 767 Wiring Diagram...................................................................... 768 Description......................................................................... 770 Trouble Diagnoses................................................................... 771 STEP LAMPS - LAN........................................................................ 790 Wiring Diagram...................................................................... 790 Trouble Diagnoses................................................................... 791 ILLUMINATION - LAN...................................................................... 795 WIPER AND WASHER........................................................................ 796 Front Wiper and Washer/Wiring Diagram............................................... 796 Wiper Removal and Installation...................................................... 797 Wiper Arm Installation.............................................................. 797 Washer Nozzle Adjustment............................................................ 798 Wiper Amplifier Check............................................................... 798 ELECTRIC SUN ROOF....................................................................... 799 Wiring Diagram...................................................................... 799 TRUNK LID AND FUEL FILLER LID OPENER.................................................... 800 Wiring Diagram...................................................................... 800 HORN, CIGARETTE LIGHTER, CLOCK.......................................................... 801 Wiring Diagram...................................................................... 801 REAR WINDOW DEFOGGER.................................................................... 802 Wiring Diagram...................................................................... 802 Filament Check...................................................................... 803 Filament Repair..................................................................... 804 TELEPHONE............................................................................... 806 Telephone/Wiring Diagram............................................................ 806 AUDIO AND POWER ANTENNA................................................................. 808 Audio/Wiring Diagram................................................................ 808 Power Antenna/Wiring Diagram........................................................ 810 Location of Antenna................................................................. 810 Antenna Rod Replacement............................................................. 811 Window Antenna Replacement.......................................................... 812 HEATED SEAT............................................................................. 813 Wiring Diagram...................................................................... 813 INSIDE MIRROR........................................................................... 814 Auto Anti-dazzling Inside Mirror/Wiring Diagram..................................... 814 AUTOMATIC SPEED CONTROL DEVICE (ASCD)................................................... 815 Component Parts and Harness Connector Location...................................... 815 Wiring Diagram...................................................................... 816 Trouble Diagnoses................................................................... 818 LOCATION OF ELECTRICAL UNITS............................................................ 835 Engine Compartment.................................................................. 835 Passenger Compartment............................................................... 836 Luggage Compartment................................................................. 837 Door................................................................................ 838 HARNESS LAYOUT.......................................................................... 839 Outline............................................................................. 839 Engine Room Harness................................................................. 840 Main Harness........................................................................ 842 Body Harness........................................................................ 845 Tail Harness........................................................................ 846 Engine Control Harness.............................................................. 848 Engine Control Sub-harness.......................................................... 850 Room Lamp Harness................................................................... 852 Air Bag Harness..................................................................... 852 Engine Harness...................................................................... 853 Door Harness (LH side).............................................................. 854 Door Harness (RH side).............................................................. 855 SPLICE LOCATION......................................................................... 856 How to Read Splice Location......................................................... 856 Engine Room Harness................................................................. 857 Main Harness........................................................................ 858 Body Harness........................................................................ 860 Tail Harness........................................................................ 861 Engine Control Harness.............................................................. 862 Room Lamp Harness................................................................... 862 Engine Control Sub-harness.......................................................... 863 Door Harness........................................................................ 864 GROUND DISTRIBUTION..................................................................... 866 SUPER MULTIPLE JUNCTION (SMJ)........................................................... 0 Terminal Arrangement................................................................ 1 em.......................................................................................... 878 QUICK REFERENCE INDEX................................................................... 0 TABLE OF CONTENTS....................................................................... 878 PRECAUTIONS............................................................................. 879 Parts Requiring Angular Tightening.................................................. 879 Liquid Gasket Application Procedure................................................. 879 PREPARATION............................................................................. 880 Special Service Tools............................................................... 880 Commercial Service Tools............................................................ 882 OUTER COMPONENT PARTS................................................................... 883 COMPRESSION PRESSURE.................................................................... 884 Measurement of Compression Pressure................................................. 884 OIL PAN................................................................................. 885 Removal............................................................................. 885 Installation........................................................................ 886 TIMING CHAIN............................................................................ 887 Removal............................................................................. 889 Inspection.......................................................................... 892 Installation........................................................................ 893 OIL SEAL REPLACEMENT.................................................................... 900 CYLINDER HEAD........................................................................... 902 Removal............................................................................. 903 Disassembly......................................................................... 903 Inspection.......................................................................... 903 Assembly............................................................................ 907 Installation........................................................................ 907 ENGINE REMOVAL.......................................................................... 908 Removal............................................................................. 909 CYLINDER BLOCK.......................................................................... 910 Disassembly......................................................................... 911 Inspection.......................................................................... 911 Assembly............................................................................ 917 SRVICE DATA AND SPECIFICATIONS (SDS).................................................... 920 General Specifications.............................................................. 920 Inspection and Adjustment........................................................... 920 fa.......................................................................................... 927 QUICK REFERENCE INDEX................................................................... 0 TABLE OF CONTENTS....................................................................... 927 PRECAUTIONS AND PREPARATION............................................................. 928 Precautions......................................................................... 928 Special Service Tools............................................................... 929 Commercial Service Tools............................................................ 930 FRONT AXLE AND FRONT SUSPENSION......................................................... 931 ON-VEHICLE SERVICE...................................................................... 932 Front Axle and Front Suspension Parts............................................... 932 Front Wheel Bearing................................................................. 935 Front Wheel Alignment............................................................... 935 FRONT AXLE.............................................................................. 937 Wheel Hub and Steering Knuckle...................................................... 937 FRONT SUSPENSION........................................................................ 941 Coil Spring and Shock Absorber...................................................... 942 Third Link and Upper Link........................................................... 943 Tension Rod and Stabilizer Bar...................................................... 945 Transverse Link and Lower Ball Joint................................................ 945 FULL-ACTIVE SUSPENSION.................................................................. 947 Outline............................................................................. 947 On-vehicle Service.................................................................. 949 Repair of Component Parts........................................................... 952 TROUBLE DIAGNOSES FOR FULL-ACTIVE SUSPENSION SYSTEM..................................... 975 Contents............................................................................ 975 SERVICE DATA AND SPECIFICATIONS (SDS)...................................................1037 General Specifications..............................................................1037 Inspection and Adjustment...........................................................1038 fe..........................................................................................1039 QUICK REFERENCE INDEX................................................................... 0 TABLE OF CONTENTS.......................................................................1039 ACCELERATOR CONTROL SYSTEM..............................................................1040 Adjusting Accelerator Wire..........................................................1040 FUEL SYSTEM.............................................................................1041 EXHAUST SYSTEM..........................................................................1042 foldout.....................................................................................1043 QUICK REFERENCE INDEX................................................................... 0 ELECTRICAL SYSTEM....................................................................... 1 SUPER MULTIPLE JUNCTION (SMJ)...........................................................1043 Terminal Arrangement................................................................1044 gi..........................................................................................1045 QUICK REFERENCE INDEX................................................................... 0 TABLE OF CONTENTS.......................................................................1045 PRECAUTIONS.............................................................................1046 Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER".........1046 Precautions for "FULL-ACTIVE SUSPENSION"............................................1046 General Precautions.................................................................1046 Precautions for Multiport Fuel Injection System or ECCS Engine......................1048 Precautions for Three Way Catalyst..................................................1049 Engine Oils.........................................................................1049 Precautions for Fuel................................................................1050 HOW TO USE THIS MANUAL..................................................................1051 HOW TO READ WIRING DIAGRAMS.............................................................1053 HOW TO PERFORM EFFICIENT DIAGNOSIS FOR AN ELECTRICAL INCIDENT...........................1058 Work Flow...........................................................................1058 Incident Simulation Tests...........................................................1059 Circuit Inspection..................................................................1063 HOW TO FOLLOW FLOW CHART IN TROUBLE DIAGNOSES...........................................1069 CONSULT CHECKING SYSTEM.................................................................1072 Function and System Application.....................................................1072 Lithium Battery Replacement.........................................................1072 Checking Equipment..................................................................1072 IDENTIFICATION INFORMATION..............................................................1073 Model Variation.....................................................................1073 Identification Number...............................................................1074 Dimensions..........................................................................1075 Wheels and Tires....................................................................1075 LIFTING POINTS AND TOW TRUCK TOWING.....................................................1076 Preparation.........................................................................1076 Board-on Lift.......................................................................1076 Garage Jack and Safety Stand........................................................1077 2-pole Lift.........................................................................1077 Tow Truck Towing....................................................................1078 TIGHTENING TORQUE OF STANDARD BOLTS.....................................................1080 SAE J1930 TERMINOLOGY LIST..............................................................1081 SAE J1930 Terminology List..........................................................1081 ha..........................................................................................1085 QUICK REFERENCE INDEX................................................................... 0 TABLE OF CONTENTS.......................................................................1085 PRECAUTIONS AND PREPARATION.............................................................1086 Supplemental Restraint System "AIR BAG" and "SEAT BELT PRE-TENSIONER"...............1086 Introduction........................................................................1087 Identification......................................................................1087 Precautions for Working with HFC-134a (R-134a)......................................1088 General Refrigerant Precautions.....................................................1088 Precautions for Refrigerant Connection..............................................1089 Precautions for Servicing Compressor................................................1090 Special Service Tools...............................................................1090 HFC-134a (R-134a) Service Tools and Equipment.......................................1091 Precautions for Service Equipment...................................................1093 DESCRIPTION.............................................................................1095 Refrigeration Cycle.................................................................1095 V-6 Variable Displacement Compressor................................................1096 Component Layout....................................................................1100 Discharge Air Flow..................................................................1101 Introduction........................................................................1102 Features............................................................................1102 Control Operation...................................................................1103 TROUBLE DIAGNOSES.......................................................................1106 Contents............................................................................1106 Wiring Diagram......................................................................1142 SYSTEM DESCRIPTION......................................................................1170 Overview of Control System..........................................................1170 Control System Input Components.....................................................1170 Control System Automatic (Auto amp.)................................................1175 Control System Output Components....................................................1176 SERVICE PROCEDURES......................................................................1187 HFC-134a (R-134a) Service Procedure.................................................1187 Maintenance of Oil Quantity in Compressor...........................................1189 Refrigerant Lines...................................................................1191 Compressor Mounting.................................................................1192 Belt Tension........................................................................1192 Engine Idling Speed (When A/C is ON)................................................1192 Compressor - Model V-6 (CALSONIC make)..............................................1193 Compressor Clutch...................................................................1193 SERVICE DATA AND SPECIFICATIONS (SDS)...................................................1196 General Specifications..............................................................1196 Inspection and Adjustment...........................................................1196 idx.........................................................................................1197 QUICK REFERENCE INDEX................................................................... 0 lc..........................................................................................1205 QUICK REFERENCE INDEX................................................................... 0 TABLE OF CONTENTS.......................................................................1205 PRECAUTIONS AND PREPARATION.............................................................1206 Liquid Gasket Application Procedure.................................................1206 Special Service Tools...............................................................1206 ENGINE LUBRICATION SYSTEM...............................................................1207 Lubrication Circuit.................................................................1207 Oil Pressure Check..................................................................1208 Oil Pump............................................................................1209 ENGINE COOLING SYSTEM...................................................................1211 Cooling Circuit.....................................................................1211 System Check........................................................................1211 Water Pump..........................................................................1212 Thermostat..........................................................................1214 Radiator............................................................................1216 Cooling Fan (Crankshaft driven).....................................................1217 Cooling Fan (Motor driven)..........................................................1217 SERVICE DATA AND SPECIFICATIONS (SDS)...................................................1218 Engine Lubrication System...........................................................1218 Engine Cooling System...............................................................1218 ma..........................................................................................1219 QUICK REFERENCE INDEX................................................................... 0 TABLE OF CONTENTS.......................................................................1219 PRECAUTIONS.............................................................................1220 Supplemental Restraint System (SRS( "AIR BAG" and "SEAT BELT PRE-TENSIONER".........1220 GENERAL MAINTENANCE.....................................................................1221 PERIODIC MAINTENANCE....................................................................1223 Schedule 1..........................................................................1224 Schedule 2..........................................................................1225 RECOMMENDED FLUIDS AND LUBRICANTS.......................................................1226 Fluids and Lubricants...............................................................1226 SAE Viscosity Number................................................................1226 Anti-freeze Coolant Mixture Ratio...................................................1227 ENGINE MAINTENANCE......................................................................1228 Checking Drive Belts................................................................1228 Changing Engine Coolant.............................................................1229 Checking Fuel Lines.................................................................1230 Changing Fuel Filter................................................................1230 Changing Air Cleaner Filter.........................................................1231 Changing Engine Oil.................................................................1231 Changing Oil Filter.................................................................1232 Changing Spark Plugs................................................................1232 Checking Vapor Lines................................................................1233 CHASSIS AND BODY MAINTNENANCE...........................................................1234 Checking Exhaust System.............................................................1234 Checking A/T Fluid..................................................................1234 Changing A/T Fluid..................................................................1234 Checking Differential Gear Oil......................................................1235 Differential Gear Oil Replacement...................................................1235 Balancing Wheels....................................................................1235 Tire Rotation.......................................................................1235 Checking Brake Fluid Level and Leaks................................................1235 Checing Brake Lines and Cables......................................................1236 Changing Brake Fluid................................................................1236 Checking Disc Brake.................................................................1236 Checking Steering Gear and Linkage..................................................1237 Checking Power Steering Fluids and Lines............................................1237 Checking FULL-ACTIVE SUSPENSION Fluid and Lines.....................................1237 Changing FULL-ACTIVE SUSPENSION Fluid...............................................1238 Lubricating Locks, Hinges and Hood Latches..........................................1239 Checking Seat Belts, Buckles, Retractors, Anchors and Adjusters.....................1239 SERVICE DATA AND SPECIFICATIONS.........................................................1240 Engine Maintenance..................................................................1240 Chassis and Body Maintenance........................................................1240 pd..........................................................................................1241 QUICK REFERENCE INDEX................................................................... 0 TABLE OF CONTENTS.......................................................................1241 PREPARATION.............................................................................1242 Special Service Tools...............................................................1242 Commercial Service Tools............................................................1244 PROPELLER SHAFT.........................................................................1245 PROPELLER SHAFT.....................................................................1245 On-vehicle Service..............................................................1245 Removal.........................................................................1245 Installation....................................................................1246 Inspection......................................................................1247 Disassembly.....................................................................1247 Assembly........................................................................1248 FINAL DRIVE.............................................................................1249 ON-VEHICLE SERVICE/REMOVAL AND INSTALLATION.........................................1249 Front Oil Seal Replacement......................................................1249 Side Oil Seal Replacement.......................................................1249 Removal.........................................................................1251 Installation....................................................................1251 DISASSEMBLY.........................................................................1252 Pre-inspection..................................................................1253 Differential Carrier............................................................1253 Differential Case...............................................................1255 INSPECTION..........................................................................1256 Ring Gear and Drive Pinion......................................................1256 Bearing.........................................................................1256 Differential Case Assembly......................................................1256 ADJUSTMENT..........................................................................1257 Side Bearing Preload............................................................1257 Pinion Gear Height and Pinion Bearing Preload...................................1258 Tooth Contact...................................................................1263 ASSEMBLY............................................................................1264 Differential Case...............................................................1264 Differential Carrier............................................................1265 SERVICE DATA AND SPECIFICATIONS (SDS)...................................................1269 Propeller Shaft.....................................................................1269 Final Drive.........................................................................1269 ra..........................................................................................1271 QUICK REFERENCE INDEX................................................................... 0 TABLE OF CONTENTS.......................................................................1271 PRECAUTIONS AND PREPARATION.............................................................1272 Precautions.........................................................................1272 Special Service Tools...............................................................1272 Commercial Service Tools............................................................1273 REAR AXLE AND REAR SUSPENSION...........................................................1274 ON-VEHICLE SERVICE......................................................................1275 Rear Axle and Rear Suspension Parts.................................................1275 Rear Wheel Bearing..................................................................1275 Rear Wheel Alignment................................................................1275 Drive Shaft.........................................................................1276 REAR AXLE...............................................................................1277 Wheel Hub and Axle Housing..........................................................1277 Drive Shaft.........................................................................1280 REAR SUSPENSION.........................................................................1285 Removal and Installation............................................................1286 Coil Spring and Shock Absorber......................................................1286 Multi-link and Lower Ball Joint.....................................................1287 Stabilizer Bar......................................................................1288 SERVICE DATA AND SPECIFICATIONS (SDS)...................................................1289 General Specifications..............................................................1289 Inspection and Adjustment...........................................................1290 rs..........................................................................................1291 QUICK REFERENCE INDEX................................................................... 0 TABLE OF CONTENTS.......................................................................1291 PRECAUTION..............................................................................1292 Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER".........1292 SEAT BELTS..............................................................................1293 Front Seat Belt.....................................................................1293 Rear Seat Belt......................................................................1294 SUPPLEMENTAL RESTRAINT SYSTEM (SRS).....................................................1295 Precautions for SRS "Air Bag" and "Seat Belt Pre-tensioner" Service.................1295 Special Service Tools...............................................................1295 Description.........................................................................1296 SRS Component Parts Location........................................................1296 Maintenance Items...................................................................1297 Removal and Installation - Diagnosis Sensor Unit and Seat Belt Pre-tensioner........1298 Removal - Air Bag Module and Spiral Cable...........................................1299 Removal - Front Passenger Air Bag Module............................................1300 Installation - Air Bag Module and Spiral Cable......................................1301 Installation - Front Passenger Air Bag Module.......................................1302 Disposal of Air Bag Module and Seat Belt Pre-tensioner..............................1302 TROUBLE DIAGNOSES - Supplemental Restraint System (SRS).................................1307 Schematic...........................................................................1307 Wiring Diagram......................................................................1308 Self-diagnosis......................................................................1309 Trouble Diagnoses for Air Bag.......................................................1316 Trouble Diagnosis for Seat Belt Pre-tensioner.......................................1318 Collision Diagnosis.................................................................1320 st..........................................................................................1321 QUICK REFERENCE INDEX................................................................... 0 TABLE OF CONTENTS.......................................................................1321 PRECAUTIONS AND PREPARATION.............................................................1322 Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER".........1322 Steering System.....................................................................1322 Special Service Tools...............................................................1322 Commercial Service Tools............................................................1323 ON-VEHICLE SERVICE......................................................................1324 Checking Steering Wheel Play........................................................1324 Checking Neutral Position on Steering Wheel.........................................1324 Front Wheel Turning Angle...........................................................1324 Checking Gear Housing Movement......................................................1324 Adjusting Rack Retainer.............................................................1325 Checking and Adjusting Drive Belts..................................................1325 Checking Fluid Level................................................................1325 Checking Fluid Leakage..............................................................1325 Bleeding Hydraulic System...........................................................1326 Checking Steering Wheel Turning Force...............................................1326 Checking Hydraulic System...........................................................1327 STEERING WHEEL AND STEERING cOLUMN......................................................1328 Removal and Installation............................................................1328 Disassembly and Assembly............................................................1330 Inspection..........................................................................1331 POWER STEERING GEAR AND LINKAGE (Model PR26SE)..........................................1332 Removal and Installation............................................................1332 Disassembly.........................................................................1335 Inspection..........................................................................1335 Assembly............................................................................1336 Adjustment..........................................................................1341 POWER STEERING OIL PUMP - NORNAL SUSPENSION.............................................1343 Disassembly and Assembly............................................................1343 Pre-disassembly Inspection..........................................................1344 Disassembly.........................................................................1344 Inspection..........................................................................1345 Assembly............................................................................1345 POWER STEERING OIL PUMP - FULL -ACTIVE SUSPENSION.......................................1347 Disassembly and Assembly............................................................1347 TWIN ORIFICE POWER STEERING SYSTEM......................................................1348 Hydraulic Circuit...................................................................1348 Schematic...........................................................................1348 Wiring Diagram......................................................................1349 Trouble Diagnoses...................................................................1350 SERVICE DATA AND SPECIFICATIONS (SDS)...................................................1359 General Specifications..............................................................1359 Inspection and Adjustment...........................................................1359
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DESCRIPTION:
1995 INFINITI Q45 G50 Series Service Manual PDF DOWNLOAD
FOREWORD
- This manual contains maintenance and repair procedures for the 1995 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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