Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti QX4 R50 1997-1998.2001 Approved QX4-R50-2001 el
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ELECTRICAL SYSTEM GI
SECTION EL MA
EM
LC
EC
CONTENTS FE
PRECAUTIONS ...............................................................4 System Description....................................................59
AT
Supplemental Restraint System (SRS) AIR Wiring Diagram - H/AIM - ..........................................60
BAG and SEAT BELT PRE-TENSIONER...............4 PARKING, LICENSE AND TAIL LAMPS .....................61 TF
Wiring Diagrams and Trouble Diagnosis.....................4 System Description....................................................61
HARNESS CONNECTOR................................................5 Schematic ..................................................................62
Description ...................................................................5 Wiring Diagram - TAIL/L -..........................................63 PD
STANDARDIZED RELAY................................................7 Trouble Diagnoses.....................................................66
Description ...................................................................7 STOP LAMP ..................................................................67
POWER SUPPLY ROUTING...........................................9 Wiring Diagram - STOP/L - .......................................67
AX
Schematic ....................................................................9 BACK-UP LAMP............................................................69
Wiring Diagram - POWER - ......................................10 Wiring Diagram - BACK/L - .......................................69 SU
Inspection...................................................................16 FRONT FOG LAMP.......................................................70
GROUND........................................................................17 System Description....................................................70
Ground Distribution....................................................17 Wiring Diagram - F/FOG - .........................................72 BR
COMBINATION SWITCH ..............................................28 Aiming Adjustment .....................................................74
Check.........................................................................28 TURN SIGNAL AND HAZARD WARNING LAMPS .....75
Replacement..............................................................29 System Description....................................................75 ST
STEERING SWITCH......................................................30 Wiring Diagram - TURN - ..........................................77
Check.........................................................................30 Trouble Diagnoses.....................................................79
RS
HEADLAMP (FOR USA) - XENON TYPE - ..................31 Electrical Components Inspection .............................79
Component Parts and Harness Connector ILLUMINATION..............................................................80
Location .....................................................................31 System Description....................................................80 BT
System Description....................................................31 Schematic ..................................................................82
Schematic ..................................................................35 Wiring Diagram - ILL - ...............................................83
Wiring Diagram - H/LAMP -.......................................36 INTERIOR, SPOT, VANITY MIRROR AND HA
Trouble Diagnoses.....................................................40 LUGGAGE ROOM LAMPS ...........................................88
Bulb Replacement/Xenon Type .................................43 System Description....................................................88
Aiming Adjustment .....................................................44 Schematic ..................................................................90
SC
HEADLAMP (FOR CANADA) - DAYTIME LIGHT Wiring Diagram - INT/L - ...........................................91
SYSTEM - ......................................................................46 METERS AND GAUGES...............................................94
Component Parts and Harness Connector Component Parts and Harness Connector
Location .....................................................................46 Location .....................................................................94
System Description....................................................46 System Description....................................................94 IDX
Schematic ..................................................................50 Combination Meter ....................................................96
Wiring Diagram - DTRL -...........................................51 Schematic ..................................................................98
Trouble Diagnoses.....................................................56 Wiring Diagram - METER - .......................................99
Bulb Replacement .....................................................57 Meter/Gauge Operation and Odo/Trip Meter
Aiming Adjustment .....................................................58 Segment Check in Diagnosis Mode ........................100
HEADLAMP - HEADLAMP AIMING CONTROL -........59 Trouble Diagnoses...................................................101
CONTENTS (Cont'd)
Electrical Components Inspection ...........................108 Trouble Diagnoses...................................................166
COMPASS AND THERMOMETER .............................110 Inspection.................................................................167
System Description..................................................110 Wiring Diagram - REMOTE -...................................168
Wiring Diagram - COMPAS -................................... 111 AUDIO ANTENNA .......................................................169
Trouble Diagnoses...................................................112 System Description..................................................169
Calibration Procedure for Compass ........................113 Wiring Diagram - P/ANT - .......................................170
WARNING LAMPS ......................................................114 Trouble Diagnoses...................................................171
Schematic ................................................................114 Location of Antenna.................................................171
Wiring Diagram - WARN - .......................................115 Antenna Rod Replacement .....................................171
Fuel Warning Lamp Sensor Check .........................122 POWER SUNROOF.....................................................173
Electrical Components Inspection ...........................122 System Description..................................................173
A/T INDICATOR...........................................................123 Wiring Diagram - SROOF - .....................................174
Wiring Diagram - AT/IND -.......................................123 Trouble Diagnoses...................................................176
WARNING CHIME .......................................................125 DOOR MIRROR ...........................................................177
Component Parts and Harness Connector Wiring Diagram - MIRROR - ...................................177
Location ...................................................................125 GLASS HATCH OPENER ...........................................178
System Description..................................................125 System Description..................................................178
Wiring Diagram - CHIME - ......................................127 Wiring Diagram - TLID - ..........................................179
Trouble Diagnoses...................................................129 FUEL FILLER LID OPENER .......................................180
FRONT WIPER AND WASHER ..................................136 Wiring Diagram - F/LID - .........................................180
System Description..................................................136 POWER SEAT .............................................................181
Wiring Diagram - WIPER - ......................................138 Wiring Diagram - SEAT - .........................................181
Removal and Installation .........................................139 HEATED SEAT ............................................................183
Washer Nozzle Adjustment .....................................140 Wiring Diagram - HSEAT - ......................................183
Washer Tube Layout ...............................................140 Seatback Heating Unit.............................................185
REAR WIPER AND WASHER ....................................141 AUTOMATIC DRIVE POSITIONER ............................186
System Description..................................................141 Component Parts and Harness Connector
Wiring Diagram - WIP/R -........................................143 Location ...................................................................186
Trouble Diagnoses...................................................145 System Description..................................................187
Removal and Installation .........................................145 Schematic ................................................................190
Washer Nozzle Adjustment .....................................146 Wiring Diagram - AUT/DP - .....................................191
Washer Tube Layout ...............................................146 On Board Diagnosis ................................................196
Check Valve.............................................................146 Trouble Diagnoses...................................................198
HORN ...........................................................................147 AUTOMATIC SPEED CONTROL DEVICE (ASCD) ...221
Wiring Diagram - HORN - .......................................147 Component Parts and Harness Connector
CIGARETTE LIGHTER................................................148 Location ...................................................................221
Wiring Diagram - CIGAR -.......................................148 System Description..................................................222
CLOCK.........................................................................150 Schematic ................................................................224
Wiring Diagram - CLOCK -......................................150 Wiring Diagram - ASCD - ........................................225
REAR WINDOW DEFOGGER.....................................151 Fail-safe System ......................................................229
Component Parts and Harness Connector Trouble Diagnoses...................................................230
Location ...................................................................151 Electrical Component Inspection .............................239
System Description..................................................151 ASCD Wire Adjustment ...........................................240
Wiring Diagram - DEF -...........................................153 POWER WINDOW .......................................................241
Trouble Diagnoses...................................................155 System Description..................................................241
Electrical Components Inspection ...........................157 Schematic ................................................................244
Filament Check........................................................157 Wiring Diagram - WINDOW - ..................................245
Filament Repair .......................................................158 Trouble Diagnoses...................................................250
AUDIO ..........................................................................160 POWER DOOR LOCK.................................................254
System Description..................................................160 Component Parts and Harness Connector
Schematic ................................................................161 Location ...................................................................254
Wiring Diagram - AUDIO -.......................................162 System Description..................................................254
EL-2
CONTENTS (Cont'd)
Schematic ................................................................255 System Description..................................................350 GI
Wiring Diagram - D/LOCK -.....................................256 Schematic ................................................................358
Trouble Diagnoses...................................................261 Wiring Diagram - IVCS -..........................................359
MULTI-REMOTE CONTROL SYSTEM .......................270 CONSULT-II .............................................................363 MA
Component Parts and Harness Connector Trouble Diagnoses...................................................368
Location ...................................................................270 Trouble Diagnoses for Intermittent Incident ............377
System Description..................................................270 Demonstration Mode ...............................................379
EM
Schematic ................................................................273 System Setting (When IVCS Unit is Replaced) ......381
Wiring Diagram - MULTI - .......................................274 NAVIGATION SYSTEM ...............................................385 LC
Trouble Diagnoses...................................................277 Component Parts Location ......................................385
ID Code Entry Procedure ........................................289 System Description..................................................386
Remote Controller Battery Replacement.................293 Schematic ................................................................393 EC
THEFT WARNING SYSTEM .......................................294 Wiring Diagram - NAVI -..........................................394
Component Parts and Harness Connector Self-diagnosis Mode ................................................397
Location ...................................................................294 Confirmation/Adjustment Mode ...............................400 FE
System Description..................................................295 Setting Mode............................................................410
Schematic ................................................................298 Trouble diagnoses ...................................................417 AT
Wiring Diagram - THEFT -.......................................300 This Condition is Not Abnormal...............................423
Trouble Diagnoses...................................................306 Program Loading .....................................................432
SMART ENTRANCE CONTROL UNIT .......................319 Initialization ..............................................................433 TF
Description ...............................................................319 ELECTRICAL UNITS LOCATION...............................436
Schematic ................................................................322 Engine Compartment...............................................436
Smart Entrance Control Unit Inspection Table ........324 Passenger Compartment.........................................438 PD
INTEGRATED HOMELINK TRANSMITTER ...............325 HARNESS LAYOUT ....................................................440
Wiring Diagram - TRNSMT - ...................................325 How to Read Harness Layout .................................440
AX
Trouble Diagnoses...................................................326 Outline......................................................................441
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM - Main Harness...........................................................442
NATS)...........................................................................328 Engine Room Harness ............................................444 SU
Component Parts and Harness Connetor Engine Control Harness ..........................................446
Location ...................................................................328 Body Harness LH ....................................................448
System Description..................................................329 Body Harness RH....................................................449 BR
System Composition................................................329 Back Door Harness .................................................450
Wiring Diagram - NATS -.........................................330 Engine and Transmission Harness..........................451
CONSULT-II .............................................................331 Room Lamp Harness...............................................452
ST
Trouble Diagnoses...................................................334 Air Bag Harness ......................................................453
How to Replace IVIS (NATS) IMMU .......................347 Front Door Harness .................................................454 RS
INFINITI COMMUNICATOR (IVCS) ............................348 Rear Door Harness..................................................455
Precaution................................................................348 BULB SPECIFICATIONS ............................................456
Communicator Response Center Telephone Headlamp.................................................................456 BT
Number for Technicians...........................................348 Exterior Lamp ..........................................................456
Component Parts and Harness Connector Interior Lamp............................................................456
Location ...................................................................349 WIRING DIAGRAM CODES (CELL CODES).............457 HA
SC
IDX
EL-3
PRECAUTIONS
Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
Supplemental Restraint System (SRS) "AIR
BAG" and "SEAT BELT PRE-TENSIONER" NBEL0001
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER" used along with
a seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of
collision. The SRS system composition which is available to INFINITI QX4 is as follows:
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