Infiniti I35 (A33). Manual — part 350

ELECTRICAL SYSTEM

SECTION

EL

CONTENTS

PRECAUTIONS . . . . . . . . . . . . . . . ...5

Precautions for Supplemental Restraint System
(SRS)

″

AIR BAG

″

and

″

SEAT BELT

PRE-TENSIONER

″

. . . . . . . . . . . . . ..5

Precautions for Trouble Diagnosis . . . . . . . ..5
Precautions for Harness Repair . . . . . . . . ..5
Wiring Diagrams and Trouble Diagnosis. . . . . .6

HARNESS CONNECTOR. . . . . . . . . . . . 7

Description . . . . . . . . . . . . . . . . ...7

STANDARDIZED RELAY. . . . . . . . . . . . 9

Description . . . . . . . . . . . . . . . . ...9

POWER SUPPLY ROUTING. . . . . . . . . . . 11

Schematic . . . . . . . . . . . . . . . . .. 11
Wiring Diagram - POWER - . . . . . . . . . ..12
Inspection. . . . . . . . . . . . . . . . ...19

GROUND. . . . . . . . . . . . . . . . . . 20

Ground Distribution. . . . . . . . . . . . . 20

COMBINATION SWITCH . . . . . . . . . . . ..32

Check. . . . . . . . . . . . . . . . . . .32
Replacement. . . . . . . . . . . . . . . ..33

STEERING SWITCH. . . . . . . . . . . . . ..34

Check. . . . . . . . . . . . . . . . . . .34

HEATED STEERING . . . . . . . . . . . . . .35

Component Parts and Harness Connector
Location . . . . . . . . . . . . . . . . . .35
System Description. . . . . . . . . . . . . 35
Wiring Diagram - H/STRG - . . . . . . . . . ..37

HEADLAMP (FOR USA) . . . . . . . . . . . ...38

Component Parts and Harness Connector
Location . . . . . . . . . . . . . . . . . .38
System Description. . . . . . . . . . . . . 38
Schematic . . . . . . . . . . . . . . . . ..41
Wiring Diagram - H/LAMP -. . . . . . . . . ...42
CONSULT-II Inspection Procedure. . . . . . . 46
CONSULT-II Application Items . . . . . . . . ..47
Trouble Diagnoses. . . . . . . . . . . . . .47
Bulb Replacement . . . . . . . . . . . . . .49
Aiming Adjustment . . . . . . . . . . . . . .51

HEADLAMP (FOR CANADA) - DAYTIME LIGHT
SYSTEM - . . . . . . . . . . . . . . . . . ..52

Component Parts and Harness Connector
Location . . . . . . . . . . . . . . . . . .52
System Description. . . . . . . . . . . . . 52
Schematic . . . . . . . . . . . . . . . . ..55
Wiring Diagram - DTRL -. . . . . . . . . . ...56
Trouble Diagnoses. . . . . . . . . . . . . .60
Bulb Replacement . . . . . . . . . . . . . .63
Aiming Adjustment . . . . . . . . . . . . . .64

PARKING, LICENSE AND TAIL LAMPS . . . . . .65

System Description. . . . . . . . . . . . . 65
Schematic . . . . . . . . . . . . . . . . ..67
Wiring Diagram - TAIL/L -. . . . . . . . . . ..68
Trouble Diagnoses. . . . . . . . . . . . . .73

STOP LAMP . . . . . . . . . . . . . . . . ..74

Wiring Diagram - STOP/L - . . . . . . . . . ...74

BACK-UP LAMP. . . . . . . . . . . . . . . 76

Wiring Diagram - BACK/L - . . . . . . . . . ...76

FRONT FOG LAMP. . . . . . . . . . . . . ...77

System Description. . . . . . . . . . . . . 77
Wiring Diagram - F/FOG - . . . . . . . . . . .78
Aiming Adjustment . . . . . . . . . . . . . .81

TURN SIGNAL AND HAZARD WARNING LAMPS . .82

System Description. . . . . . . . . . . . . 82
Wiring Diagram - TURN - . . . . . . . . . . ..84
Trouble Diagnoses. . . . . . . . . . . . . .86
Electrical Components Inspection . . . . . . . .86

CORNERING LAMP . . . . . . . . . . . . . ..87

System Description. . . . . . . . . . . . . 87
Wiring Diagram - CORNER - . . . . . . . . . 89

ILLUMINATION. . . . . . . . . . . . . . . ..92

System Description. . . . . . . . . . . . . 92
Schematic . . . . . . . . . . . . . . . . ..93
Wiring Diagram - ILL - . . . . . . . . . . . ...94

INTERIOR, STEP, SPOT, VANITY MIRROR AND
TRUNK ROOM LAMPS . . . . . . . . . . . ...100

System Description. . . . . . . . . . . . ..100
Schematic . . . . . . . . . . . . . . . . 103

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Wiring Diagram - INT/L - . . . . . . . . . . .104
CONSULT-II Inspection Procedure. . . . . . ..109
CONSULT-II Application Items . . . . . . . . 110
Trouble Diagnoses for Interior Lamp Timer. . . . 112

METERS AND GAUGES. . . . . . . . . . . .125

Component Parts and Harness Connector
Location . . . . . . . . . . . . . . . . ...125
System Description. . . . . . . . . . . . ..125
Combination Meter . . . . . . . . . . . . ..127
Schematic . . . . . . . . . . . . . . . . 128
Wiring Diagram - METER - . . . . . . . . . .129
Meter/Gauge Operation and Odo/Trip Meter
Segment Check in Diagnosis Mode . . . . . . 130
Trouble Diagnoses. . . . . . . . . . . . ...131
Electrical Components Inspection . . . . . . ...140

BOARD COMPUTER. . . . . . . . . . . . ...141

System Description. . . . . . . . . . . . ..141
Wiring Diagram - B/COMP -. . . . . . . . . 143
Trouble Diagnoses. . . . . . . . . . . . ...145
Electrical Components Inspection . . . . . . ...146

COMPASS . . . . . . . . . . . . . . . . ...147

System Description. . . . . . . . . . . . ..147
Wiring Diagram - COMPAS -. . . . . . . . ...149

WARNING LAMPS . . . . . . . . . . . . . ..150

Schematic . . . . . . . . . . . . . . . . 150
Wiring Diagram - WARN - . . . . . . . . . ...151
Electrical Components Inspection . . . . . . ...158

A/T INDICATOR. . . . . . . . . . . . . . ...159

Wiring Diagram - AT/IND -. . . . . . . . . ...159

WARNING CHIME . . . . . . . . . . . . . ...161

Component Parts and Harness Connector
Location . . . . . . . . . . . . . . . . ...161
System Description. . . . . . . . . . . . ..161
Wiring Diagram - CHIME - . . . . . . . . . ..163
CONSULT-II Inspection Procedure. . . . . . ..166
CONSULT-II Application Items . . . . . . . . 167
Trouble Diagnoses. . . . . . . . . . . . ...168

FRONT WIPER AND WASHER . . . . . . . . ..176

System Description. . . . . . . . . . . . ..176
Wiring Diagram - WIPER - . . . . . . . . . ..178
Removal and Installation . . . . . . . . . . .179
Washer Nozzle Adjustment . . . . . . . . . .180
Washer Tube Layout . . . . . . . . . . . ...180

HORN . . . . . . . . . . . . . . . . . . ...181

Wiring Diagram - HORN - . . . . . . . . . ...181

CIGARETTE LIGHTER. . . . . . . . . . . . 182

Wiring Diagram - CIGAR -. . . . . . . . . ...182

CLOCK. . . . . . . . . . . . . . . . . . .183

Wiring Diagram - CLOCK -. . . . . . . . . ..183

REAR WINDOW DEFOGGER. . . . . . . . . .184

Component Parts and Harness Connector
Location . . . . . . . . . . . . . . . . ...184

System Description. . . . . . . . . . . . ..184
Wiring Diagram - DEF -. . . . . . . . . . ...185
CONSULT-II Inspection Procedure. . . . . . ..187
CONSULT-II Application Items . . . . . . . . 188
Trouble Diagnoses. . . . . . . . . . . . ...189
Electrical Components Inspection . . . . . . ...192
Filament Check. . . . . . . . . . . . . . 192
Filament Repair . . . . . . . . . . . . . ...193

AUDIO . . . . . . . . . . . . . . . . . . ..195

System Description. . . . . . . . . . . . ..195
Schematic . . . . . . . . . . . . . . . . 196
Wiring Diagram - AUDIO -. . . . . . . . . ...197
Trouble Diagnoses. . . . . . . . . . . . ...202
Inspection. . . . . . . . . . . . . . . . .203
Wiring Diagram - REMOTE -. . . . . . . . ...204

AUDIO ANTENNA . . . . . . . . . . . . . ...205

Wiring Diagram - W/ANT - . . . . . . . . . ..205
Location of Antenna. . . . . . . . . . . . .206
Window Antenna Repair . . . . . . . . . . ..206

POWER SUNROOF. . . . . . . . . . . . . .208

System Description. . . . . . . . . . . . ..208
Wiring Diagram - SROOF - . . . . . . . . . .209
CONSULT-II Inspection Procedure. . . . . . ..210
CONSULT-II Application Items . . . . . . . . 211
Trouble Diagnoses. . . . . . . . . . . . ... 211

DOOR MIRROR . . . . . . . . . . . . . . ...213

Wiring Diagram - MIRROR - . . . . . . . . ...213

AUTO ANTI-DAZZLING INSIDE MIRROR . . . . .214

Wiring Diagram - I/MIRR -. . . . . . . . . ...214

TRUNK LID AND FUEL FILLER LID OPENER . . .215

Wiring Diagram - T&FLID -. . . . . . . . . ..215

TELEPHONE (PRE WIRE) . . . . . . . . . . ..216

Wiring Diagram - PHONE - . . . . . . . . . .216

AUTOMATIC DRIVE POSITIONER . . . . . . . 217

Component Parts and Harness Connector
Location . . . . . . . . . . . . . . . . ...217
System Description. . . . . . . . . . . . ..218
Schematic . . . . . . . . . . . . . . . . 221
Wiring Diagram - AUT/DP - . . . . . . . . . .222
On Board Diagnosis . . . . . . . . . . . . 227
Trouble Diagnoses. . . . . . . . . . . . ...229

POWER SEAT . . . . . . . . . . . . . . . .251

Wiring Diagram - SEAT - . . . . . . . . . . .251

HEATED SEAT . . . . . . . . . . . . . . . 252

Wiring Diagram - HSEAT - . . . . . . . . . ..252
Seatback Heating Unit. . . . . . . . . . . .254

REAR SUNSHADE . . . . . . . . . . . . . ..255

Component Parts and Harness Connector
Location . . . . . . . . . . . . . . . . ...255
System Description. . . . . . . . . . . . ..256
Wiring Diagram - SHADE -. . . . . . . . . ..257
Trouble Diagnoses. . . . . . . . . . . . ...259

CONTENTS

(Cont’d)

EL-2

AUTOMATIC SPEED CONTROL DEVICE (ASCD) ...261

System Description. . . . . . . . . . . . ..261

POWER WINDOW . . . . . . . . . . . . . ...262

System Description. . . . . . . . . . . . ..262
Schematic . . . . . . . . . . . . . . . . 265
Wiring Diagram - WINDOW - . . . . . . . . ..266
CONSULT-II Inspection Procedure. . . . . . ..272
CONSULT-II Application Items . . . . . . . . 273
Trouble Diagnoses. . . . . . . . . . . . ...273

POWER DOOR LOCK. . . . . . . . . . . . .280

Component Parts and Harness Connector
Location . . . . . . . . . . . . . . . . ...280
System Description. . . . . . . . . . . . ..280
Schematic . . . . . . . . . . . . . . . . 281
Wiring Diagram - D/LOCK -. . . . . . . . . .282
CONSULT-II Inspection Procedure. . . . . . ..286
CONSULT-II Application Items . . . . . . . . 287
Trouble Diagnoses. . . . . . . . . . . . ...288

REMOTE KEYLESS ENTRY SYSTEM. . . . . ...297

Component Parts and Harness Connector
Location . . . . . . . . . . . . . . . . ...297
System Description. . . . . . . . . . . . ..297
Schematic . . . . . . . . . . . . . . . . 301
Wiring Diagram - KEYLES - . . . . . . . . . 302
CONSULT-II Inspection Procedure. . . . . . ..307
CONSULT-II Application Items . . . . . . . . 308
Trouble Diagnoses. . . . . . . . . . . . ...309
ID Code Entry Procedure . . . . . . . . . . 324
Keyfob Battery Replacement. . . . . . . . ...327

VEHICLE SECURITY (THEFT WARNING)
SYSTEM. . . . . . . . . . . . . . . . . ...328

Component Parts and Harness Connector
Location . . . . . . . . . . . . . . . . ...328
System Description. . . . . . . . . . . . ..329
Schematic . . . . . . . . . . . . . . . . 334
Wiring Diagram - VEHSEC - . . . . . . . . ...336
CONSULT-II Inspection Procedure. . . . . . ..342
CONSULT-II Application Item . . . . . . . . ..343
Trouble Diagnoses. . . . . . . . . . . . ...344

SMART ENTRANCE CONTROL UNIT . . . . . ...361

Description . . . . . . . . . . . . . . . ...361
CONSULT-II . . . . . . . . . . . . . . . .363
Schematic . . . . . . . . . . . . . . . . 366
Smart Entrance Control Unit Inspection Table . . 368

HOMELINK UNIVERSAL TRANSCEIVER. . . . ..371

Wiring Diagram - TRNSCV - . . . . . . . . ...371
Trouble Diagnoses. . . . . . . . . . . . ...372

IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM -
NATS). . . . . . . . . . . . . . . . . . ...375

Component Parts and Harness Connector
Location . . . . . . . . . . . . . . . . ...375
System Description. . . . . . . . . . . . ..376

System Composition. . . . . . . . . . . . 376
Wiring Diagram - NATS -. . . . . . . . . . .377
CONSULT-II . . . . . . . . . . . . . . . .378
Trouble Diagnoses. . . . . . . . . . . . ...381
How to Replace IVIS (NATS) IMMU . . . . . ...394

NAVIGATION SYSTEM . . . . . . . . . . . ...395

Precautions . . . . . . . . . . . . . . . ..395
System Description. . . . . . . . . . . . ..395
Schematic . . . . . . . . . . . . . . . . 404
Wiring Diagram - NAVI -. . . . . . . . . . ..405
Self-diagnosis Mode . . . . . . . . . . . . 410
Confirmation/Adjustment Mode . . . . . . . ...413
Control Panel Mode. . . . . . . . . . . . .425
Guide Volume Setting. . . . . . . . . . . ..431
Trouble Diagnoses. . . . . . . . . . . . ...432
This Condition Is Not Abnormal. . . . . . . ...438
Program Loading . . . . . . . . . . . . . .447

CAN COMMUNICATION . . . . . . . . . . . .448

System Description. . . . . . . . . . . . ..448

CAN SYSTEM (FOR TCS MODELS). . . . . . ..450

Component Parts and Harness Connector
Location . . . . . . . . . . . . . . . . ...450
System Description. . . . . . . . . . . . ..450
Wiring Diagram - CAN - . . . . . . . . . . ..451
Trouble Diagnoses. . . . . . . . . . . . ...452
Component Inspection. . . . . . . . . . . .462

CAN SYSTEM (FOR VDC MODELS) . . . . . . .463

Component Parts and Harness Connector
Location . . . . . . . . . . . . . . . . ...463
System Description. . . . . . . . . . . . ..463
Wiring Diagram - CAN - . . . . . . . . . . ..464
Trouble Diagnoses. . . . . . . . . . . . ...465
Component Inspection. . . . . . . . . . . .477

ELECTRICAL UNITS LOCATION. . . . . . . ...478

Engine Compartment. . . . . . . . . . . ...478
Passenger Compartment. . . . . . . . . . .480

HARNESS LAYOUT . . . . . . . . . . . . . 483

How to Read Harness Layout . . . . . . . . .483
Outline. . . . . . . . . . . . . . . . . ..484
Main Harness. . . . . . . . . . . . . . ...486
Engine Room Harness . . . . . . . . . . . 490
Engine Control Harness . . . . . . . . . . ..494
Body Harness . . . . . . . . . . . . . . ..496
Body No. 2 Harness . . . . . . . . . . . . 498
Tail Harness . . . . . . . . . . . . . . . .500
Room Lamp Harness. . . . . . . . . . . ...501
Front Door Harness . . . . . . . . . . . . .502
Rear Door Harness. . . . . . . . . . . . ..504

BULB SPECIFICATIONS . . . . . . . . . . . 506

Headlamp. . . . . . . . . . . . . . . . .506
Exterior Lamp . . . . . . . . . . . . . . ..506
Interior Lamp. . . . . . . . . . . . . . . 506

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CONTENTS

(Cont’d)

EL-3

WIRING DIAGRAM CODES (CELL CODES). . . .507

CONTENTS

(Cont’d)

EL-4