2005 INFINITI FX35 Service Manual

interior lights steering wheel bolts manual radio set wheel size height

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INFINITI FX35 2005 Service Manual DI-132
REAR VIEW MONITOR
Revision: 2005 July 2005 FX
4. Remove screws (2), and remove rear view camera.
INSTALLATION
Installation is the reverse order of removal.
SKIA6196E

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INFINITI FX35 2005 Service Manual EC-1
ENGINE CONTROL SYSTEM
B ENGINE
CONTENTS
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EC
Revision: 2005 July 2005 FX
ENGINE CONTROL SYSTEM
VQ35DE
INDEX FOR DTC ................................

EC-1
ENGINE CONTROL SYSTEM
B ENGINE
CONTENTS
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SECTION EC
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EC
Revision: 2005 July 2005 FX
ENGINE CONTROL SYSTEM
VQ35DE
INDEX FOR DTC ...................................................... 15
DTC No. Index .................................................... ... 15
Alphabetical Index ............................................... ... 19
PRECAUTIONS ..................................................... ... 23
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ............................................................. ... 23
On Board Diagnostic (OBD) System of Engine and
A/T ....................................................................... ... 23
Precaution ........................................................... ... 23
PREPARATION ...................................................... ... 27
Special Service Tools .......................................... ... 27
Commercial Service Tools ................................... ... 29
ENGINE CONTROL SYSTEM ............................... ... 30
System Diagram .................................................. ... 30
Multiport Fuel Injection (MFI) System ................. ... 31
Electronic Ignition (EI) System ............................ ... 33
Fuel Cut Control (at No Load and High Engine
Speed) ................................................................. ... 34
AIR CONDITIONING CUT CONTROL .................. ... 35
Input/Output Signal Chart .................................... ... 35
System Description ............................................. ... 35
AUTOMATIC SPEED CONTROL DEVICE (ASCD) ... 36
System Description ............................................. ... 36
Component Description ....................................... ... 37
CAN COMMUNICATION ....................................... ... 38
System Description ............................................. ... 38
EVAPORATIVE EMISSION SYSTEM .................... ... 39
Description .......................................................... ... 39
Component Inspection ........................................ ... 42
Removal and Installation ..................................... ... 43
How to Detect Fuel Vapor Leakage .................... ... 43
ON BOARD REFUELING VAPOR RECOVERY
(ORVR) ................................................................... ... 46
System Description ............................................. ... 46
Diagnostic Procedure .......................................... ... 47
Component Inspection ........................................ ... 49 POSITIVE CRANKCASE VENTILATION ..............
... 51
Description ........................................................... ... 51
Component Inspection ......................................... ... 51
IVIS (INFINITI VEHICLE IMMOBILIZER SYSTEM-
NATS) ..................................................................... ... 53
Description ........................................................... ... 53
ON BOARD DIAGNOSTIC (OBD) SYSTEM ......... ... 54
Introduction .......................................................... ... 54
Two Trip Detection Logic ..................................... ... 54
Emission-Related Diagnostic Information ............ ... 55
Malfunction Indicator Lamp (MIL) ........................ ... 69
OBD System Operation Chart ............................. ... 72
BASIC SERVICE PROCEDURE ............................ ... 78
Basic Inspection .................................................. ... 78
Idle Speed and Ignition Timing Check ................. ... 83
Idle Mixture Ratio Adjustment .............................. ... 85
VIN Registration .................................................. ... 96
Accelerator Pedal Released Position Learning ... ... 96
Throttle Valve Closed Position Learning .............. ... 96
Idle Air Volume Learning ..................................... ... 97
Fuel Pressure Check ........................................... ... 99
TROUBLE DIAGNOSIS ......................................... .101
Trouble Diagnosis Introduction ............................ .101
DTC Inspection Priority Chart .............................. .107
Fail-Safe Chart .................................................... .109
Symptom Matrix Chart ......................................... .110
Engine Control Component Parts Location ......... .114
Vacuum Hose Drawing ........................................ .120
Circuit Diagram .................................................... .121
ECM Harness Connector Terminal Layout .......... .123
ECM Terminals and Reference Value .................. .123
CONSULT-II Function (ENGINE) ......................... .132
Generic Scan Tool (GST) Function ...................... .144
CONSULT-II Reference Value in Data Monitor .... .147
Major Sensor Reference Graph in Data Monitor
Mode .................................................................... .151
TROUBLE DIAGNOSIS - SPECIFICATION VALUE .153
Description ........................................................... .153
Testing Condition ................................................. .153

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INFINITI FX35 2005 Service Manual EC-2Revision: 2005 July 2005 FX
Inspection Procedure ...........................................
.153
Diagnostic Procedure .......................................... .154
TROUBLE DIAGNOSIS FOR

EC-2Revision: 2005 July 2005 FX
Inspection Procedure ...........................................
.153
Diagnostic Procedure .......................................... .154
TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-
DENT ...................................................................... .163
Description ........................................................... .163
Diagnostic Procedure .......................................... .163
POWER SUPPLY AND GROUND CIRCUIT .......... .164
Wiring Diagram .................................................... .164
Diagnostic Procedure .......................................... .165
Ground Inspection ............................................... .170
DTC U1000, U1001 CAN COMMUNICATION LINE .171
Description ........................................................... .171
On Board Diagnosis Logic ................................... .171
DTC Confirmation Procedure .............................. .171
Wiring Diagram .................................................... .172
Diagnostic Procedure .......................................... .173
DTC P0011, P0021 IVT CONTROL ....................... .174
Description ........................................................... .174
CONSULT-II Reference Value in Data Monitor Mode .174
On Board Diagnosis Logic ................................... .175
DTC Confirmation Procedure .............................. .175
Diagnostic Procedure .......................................... .176
Component Inspection ......................................... .177
Removal and Installation ..................................... .177
DTC P0037, P0038, P0057, P0058 HO2S2 HEATER .178
Description ........................................................... .178
CONSULT-II Reference Value in Data Monitor Mode .178
On Board Diagnosis Logic ................................... .178
DTC Confirmation Procedure .............................. .179
Wiring Diagram .................................................... .180
Diagnostic Procedure .......................................... .183
Component Inspection ......................................... .185
Removal and Installation ..................................... .185
DTC P0101 MAF SENSOR .................................... .186
Component Description ....................................... .186
CONSULT-II Reference Value in Data Monitor Mode .186
On Board Diagnosis Logic ................................... .186
DTC Confirmation Procedure .............................. .187
Overall Function Check ....................................... .188
Wiring Diagram .................................................... .189
Diagnostic Procedure .......................................... .190
Component Inspection ......................................... .193
Removal and Installation ..................................... .194
DTC P0102, P0103 MAF SENSOR ........................ .195
Component Description ....................................... .195
CONSULT-II Reference Value in Data Monitor Mode .195
On Board Diagnosis Logic ................................... .195
DTC Confirmation Procedure .............................. .196
Wiring Diagram .................................................... .197
Diagnostic Procedure .......................................... .198
Component Inspection ......................................... .201
Removal and Installation ..................................... .202
DTC P0112, P0113 IAT SENSOR .......................... .203
Component Description ....................................... .203
On Board Diagnosis Logic ................................... .203 DTC Confirmation Procedure ...............................
.203
Wiring Diagram .................................................... .205
Diagnostic Procedure ........................................... .206
Component Inspection ......................................... .207
Removal and Installation ...................................... .207
DTC P0117, P0118 ECT SENSOR ......................... .208
Component Description ....................................... .208
On Board Diagnosis Logic ................................... .208
DTC Confirmation Procedure ............................... .209
Wiring Diagram .................................................... .210
Diagnostic Procedure ........................................... .211
Component Inspection ......................................... .212
Removal and Installation ...................................... .212
DTC P0122, P0123 TP SENSOR ........................... .213
Component Description ....................................... .213
CONSULT-II Reference Value in Data Monitor Mode .213
On Board Diagnosis Logic ................................... .213
DTC Confirmation Procedure ............................... .214
Wiring Diagram .................................................... .215
Diagnostic Procedure ........................................... .216
Component Inspection ......................................... .219
Removal and Installation ...................................... .219
DTC P0125 ECT SENSOR ..................................... .220
Component Description ....................................... .220
On Board Diagnosis Logic ................................... .220
DTC Confirmation Procedure ............................... .221
Diagnostic Procedure ........................................... .221
Component Inspection ......................................... .222
Removal and Installation ...................................... .222
DTC P0127 IAT SENSOR ....................................... .223
Component Description ....................................... .223
On Board Diagnosis Logic ................................... .223
DTC Confirmation Procedure ............................... .223
Diagnostic Procedure ........................................... .224
Component Inspection ......................................... .225
Removal and Installation ...................................... .225
DTC P0128 THERMOSTAT FUNCTION ................ .226
On Board Diagnosis Logic ................................... .226
DTC Confirmation Procedure ............................... .226
Diagnostic Procedure ........................................... .226
Component Inspection ......................................... .227
Removal and Installation ...................................... .227
DTC P0138, P0158 HO2S2 .................................... .228
Component Description ....................................... .228
CONSULT-II Reference Value in Data Monitor Mode .228
On Board Diagnosis Logic ................................... .228
DTC Confirmation Procedure ............................... .229
Wiring Diagram .................................................... .230
Diagnostic Procedure ........................................... .233
Component Inspection ......................................... .235
Removal and Installation ...................................... .236
DTC P0139, P0159 HO2S2 .................................... .237
Component Description ....................................... .237
CONSULT-II Reference Value in Data Monitor Mode .237
On Board Diagnosis Logic ................................... .237
DTC Confirmation Procedure ............................... .238

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Overall Function Check .......................................
. 238
Wiring Diagram ......................................

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Overall Function Check .......................................
. 238
Wiring Diagram ................................................... . 240
Diagnostic Procedure .......................................... . 243
Component Inspection ........................................ . 245
Removal and Installation ..................................... . 247
DTC P0171, P0174 FUEL INJECTION SYSTEM
FUNCTION ............................................................. . 248
On Board Diagnosis Logic .................................. . 248
DTC Confirmation Procedure .............................. . 248
Wiring Diagram ................................................... . 250
Diagnostic Procedure .......................................... . 252
DTC P0172, P0175 FUEL INJECTION SYSTEM
FUNCTION ............................................................. . 258
On Board Diagnosis Logic .................................. . 258
DTC Confirmation Procedure .............................. . 258
Wiring Diagram ................................................... . 260
Diagnostic Procedure .......................................... . 262
DTC P0181 FTT SENSOR ..................................... . 267
Component Description ....................................... . 267
On Board Diagnosis Logic .................................. . 267
DTC Confirmation Procedure .............................. . 267
Wiring Diagram ................................................... . 269
Diagnostic Procedure .......................................... . 270
Component Inspection ........................................ . 271
Removal and Installation ..................................... . 272
DTC P0182, P0183 FTT SENSOR ........................ . 273
Component Description ....................................... . 273
On Board Diagnosis Logic .................................. . 273
DTC Confirmation Procedure .............................. . 273
Wiring Diagram ................................................... . 274
Diagnostic Procedure .......................................... . 275
Component Inspection ........................................ . 276
Removal and Installation ..................................... . 277
DTC P0222, P0223 TP SENSOR .......................... . 278
Component Description ....................................... . 278
CONSULT-II Reference Value in Data Monitor Mode . 278
On Board Diagnosis Logic .................................. . 278
DTC Confirmation Procedure .............................. . 279
Wiring Diagram ................................................... . 280
Diagnostic Procedure .......................................... . 281
Component Inspection ........................................ . 284
Removal and Installation ..................................... . 284
DTC P0300 - P0306 MULTIPLE CYLINDER MIS-
FIRE, NO. 1 - 6 CYLINDER MISFIRE .................... . 285
On Board Diagnosis Logic .................................. . 285
DTC Confirmation Procedure .............................. . 285
Diagnostic Procedure .......................................... . 286
DTC P0327, P0328 KS .......................................... . 295
Component Description ....................................... . 295
On Board Diagnosis Logic .................................. . 295
DTC Confirmation Procedure .............................. . 295
Wiring Diagram ................................................... . 296
Diagnostic Procedure .......................................... . 297
Component Inspection ........................................ . 298
Removal and Installation ..................................... . 299
DTC P0335 CKP SENSOR (POS) ......................... . 300
Component Description ....................................... . 300
CONSULT-II Reference Value in Data Monitor Mode .300
On Board Diagnosis Logic ................................... .300
DTC Confirmation Procedure .............................. .300
Wiring Diagram .................................................... .302
Diagnostic Procedure .......................................... .303
Component Inspection ......................................... .306
Removal and Installation ..................................... .306
DTC P0340, P0345 CMP SENSOR (PHASE) ....... .307
Component Description ....................................... .307
CONSULT-II Reference Value in Data Monitor Mode .307
On Board Diagnosis Logic ................................... .307
DTC Confirmation Procedure .............................. .307
Wiring Diagram .................................................... .309
Diagnostic Procedure .......................................... .312
Component Inspection ......................................... .315
Removal and Installation ..................................... .315
DTC P0420, P0430 THREE WAY CATALYST FUNC-
TION ....................................................................... .316
On Board Diagnosis Logic ................................... .316
DTC Confirmation Procedure .............................. .316
Overall Function Check ....................................... .317
Diagnostic Procedure .......................................... .318
DTC P0441 EVAP CONTROL SYSTEM ................ .322
System Description .............................................. .322
On Board Diagnosis Logic ................................... .322
DTC Confirmation Procedure .............................. .322
Overall Function Check ....................................... .323
Diagnostic Procedure .......................................... .324
DTC P0442 EVAP CONTROL SYSTEM ................ .327
On Board Diagnosis Logic ................................... .327
DTC Confirmation Procedure .............................. .328
Diagnostic Procedure .......................................... .329
DTC P0444, P0445 EVAP CANISTER PURGE VOL-
UME CONTROL SOLENOID VALVE ..................... .336
Description ........................................................... .336
CONSULT-II Reference Value in Data Monitor Mode .336
On Board Diagnosis Logic ................................... .337
DTC Confirmation Procedure .............................. .337
Wiring Diagram .................................................... .338
Diagnostic Procedure .......................................... .340
Component Inspection ......................................... .341
Removal and Installation ..................................... .342
DTC P0447 EVAP CANISTER VENT CONTROL
VALVE .................................................................... .343
Component Description ....................................... .343
CONSULT-II Reference Value in Data Monitor Mode .343
On Board Diagnosis Logic ................................... .343
DTC Confirmation Procedure .............................. .344
Wiring Diagram .................................................... .345
Diagnostic Procedure .......................................... .346
Component Inspection ......................................... .348
DTC P0451 EVAP CONTROL SYSTEM PRESSURE
SENSOR ................................................................ .350
Component Description ....................................... .350
CONSULT-II Reference Value in Data Monitor Mode .350

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INFINITI FX35 2005 Service Manual EC-4Revision: 2005 July 2005 FX
On Board Diagnosis Logic ...................................
.350
DTC Confirmation Procedure .............................. .351
Diagnostic Procedure ..........

EC-4Revision: 2005 July 2005 FX
On Board Diagnosis Logic ...................................
.350
DTC Confirmation Procedure .............................. .351
Diagnostic Procedure .......................................... .351
Component Inspection ......................................... .352
DTC P0452 EVAP CONTROL SYSTEM PRESSURE
SENSOR ................................................................. .353
Component Description ....................................... .353
CONSULT-II Reference Value in Data Monitor Mode .353
On Board Diagnosis Logic ................................... .353
DTC Confirmation Procedure .............................. .354
Wiring Diagram .................................................... .355
Diagnostic Procedure .......................................... .356
Component Inspection ......................................... .358
DTC P0453 EVAP CONTROL SYSTEM PRESSURE
SENSOR ................................................................. .359
Component Description ....................................... .359
CONSULT-II Reference Value in Data Monitor Mode .359
On Board Diagnosis Logic ................................... .359
DTC Confirmation Procedure .............................. .360
Wiring Diagram .................................................... .361
Diagnostic Procedure .......................................... .362
Component Inspection ......................................... .366
DTC P0455 EVAP CONTROL SYSTEM ................ .367
On Board Diagnosis Logic ................................... .367
DTC Confirmation Procedure .............................. .368
Diagnostic Procedure .......................................... .369
DTC P0456 EVAP CONTROL SYSTEM ................ .375
On Board Diagnosis Logic ................................... .375
DTC Confirmation Procedure .............................. .376
Overall Function Check ....................................... .377
Diagnostic Procedure .......................................... .378
DTC P0460 FUEL LEVEL SENSOR ...................... .385
Component Description ....................................... .385
On Board Diagnosis Logic ................................... .385
DTC Confirmation Procedure .............................. .385
Diagnostic Procedure .......................................... .386
Removal and Installation ..................................... .386
DTC P0461 FUEL LEVEL SENSOR ...................... .387
Component Description ....................................... .387
On Board Diagnosis Logic ................................... .387
Overall Function Check ....................................... .387
Diagnostic Procedure .......................................... .388
Removal and Installation ..................................... .388
DTC P0462, P0463 FUEL LEVEL SENSOR ......... .389
Component Description ....................................... .389
On Board Diagnosis Logic ................................... .389
DTC Confirmation Procedure .............................. .389
Diagnostic Procedure .......................................... .390
Removal and Installation ..................................... .390
DTC P0500 VSS ..................................................... .391
Description ........................................................... .391
On Board Diagnosis Logic ................................... .391
DTC Confirmation Procedure .............................. .391
Overall Function Check ....................................... .391
Diagnostic Procedure .......................................... .392
DTC P0506 ISC SYSTEM ...................................... .393
Description ........................................................... .393 On Board Diagnosis Logic ...................................
.393
DTC Confirmation Procedure ............................... .393
Diagnostic Procedure ........................................... .394
DTC P0507 ISC SYSTEM ...................................... .395
Description ........................................................... .395
On Board Diagnosis Logic ................................... .395
DTC Confirmation Procedure ............................... .395
Diagnostic Procedure ........................................... .396
DTC P0550 PSP SENSOR ..................................... .397
Component Description ....................................... .397
CONSULT-II Reference Value in Data Monitor Mode .397
On Board Diagnosis Logic ................................... .397
DTC Confirmation Procedure ............................... .397
Wiring Diagram .................................................... .398
Diagnostic Procedure ........................................... .399
Component Inspection ......................................... .401
Removal and Installation ...................................... .401
DTC P0605 ECM .................................................... .402
Component Description ....................................... .402
On Board Diagnosis Logic ................................... .402
DTC Confirmation Procedure ............................... .402
Diagnostic Procedure ........................................... .403
DTC P1031, P1032, P1051, P1052 A/F SENSOR 1
HEATER .................................................................. .405
Description ........................................................... .405
CONSULT-II Reference Value in Data Monitor Mode .405
On Board Diagnosis Logic ................................... .405
DTC Confirmation Procedure ............................... .405
Wiring Diagram .................................................... .407
Diagnostic Procedure ........................................... .410
Component Inspection ......................................... .412
Removal and Installation ...................................... .412
DTC P1065 ECM POWER SUPPLY ....................... .413
Component Description ....................................... .413
On Board Diagnosis Logic ................................... .413
DTC Confirmation Procedure ............................... .413
Wiring Diagram .................................................... .414
Diagnostic Procedure ........................................... .415
D T C P1111, P 1 136 IVT CONTROL SOLENOID
VALVE ..................................................................... .417
Component Description ....................................... .417
CONSULT-II Reference Value in Data Monitor Mode .417
On Board Diagnosis Logic ................................... .417
DTC Confirmation Procedure ............................... .417
Wiring Diagram .................................................... .418
Diagnostic Procedure ........................................... .421
Component Inspection ......................................... .422
Removal and Installation ...................................... .423
DTC P1121 ELECTRIC THROTTLE CONTROL
ACTUATOR ............................................................ .424
Component Description ....................................... .424
On Board Diagnosis Logic ................................... .424
DTC Confirmation Procedure ............................... .424
Diagnostic Procedure ........................................... .425
DTC P1122 ELECTRIC THROTTLE CONTROL

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FUNCTION .............................................................
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Description ...................................

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FUNCTION .............................................................
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Description .......................................................... . 426
On Board Diagnosis Logic .................................. . 426
DTC Confirmation Procedure .............................. . 426
Wiring Diagram ................................................... . 427
Diagnostic Procedure .......................................... . 428
Component Inspection ........................................ . 431
Remove and Installation ...................................... . 431
DTC P1124, P1126 THROTTLE CONTROL MOTOR
RELAY ................................................................... . 432
Component Description ....................................... . 432
CONSULT-II Reference Value in Data Monitor Mode . 432
On Board Diagnosis Logic .................................. . 432
DTC Confirmation Procedure .............................. . 432
Wiring Diagram ................................................... . 434
Diagnostic Procedure .......................................... . 435
DTC P1128 THROTTLE CONTROL MOTOR ....... . 437
Component Description ....................................... . 437
On Board Diagnosis Logic .................................. . 437
DTC Confirmation Procedure .............................. . 437
Wiring Diagram ................................................... . 438
Diagnostic Procedure .......................................... . 439
Component Inspection ........................................ . 440
Removal and Installation ..................................... . 441
DTC P1146, P1166 HO2S2 .................................... . 442
Component Description ....................................... . 442
CONSULT-II Reference Value in Data Monitor Mode . 442
On Board Diagnosis Logic .................................. . 442
DTC Confirmation Procedure .............................. . 443
Overall Function Check ....................................... . 443
Wiring Diagram ................................................... . 445
Diagnostic Procedure .......................................... . 448
Component Inspection ........................................ . 450
Removal and Installation ..................................... . 452
DTC P1147, P1167 HO2S2 .................................... . 453
Component Description ....................................... . 453
CONSULT-II Reference Value in Data Monitor Mode . 453
On Board Diagnosis Logic .................................. . 453
DTC Confirmation Procedure .............................. . 454
Overall Function Check ....................................... . 454
Wiring Diagram ................................................... . 456
Diagnostic Procedure .......................................... . 459
Component Inspection ........................................ . 461
Removal and Installation ..................................... . 463
DTC P1148, P1168 CLOSED LOOP CONTROL ... . 464
On Board Diagnosis Logic .................................. . 464
DTC P1211 TCS CONTROL UNIT ........................ . 465
Description .......................................................... . 465
On Board Diagnosis Logic .................................. . 465
DTC Confirmation Procedure .............................. . 465
Diagnostic Procedure .......................................... . 465
DTC P1212 TCS COMMUNICATION LINE ........... . 466
Description .......................................................... . 466
On Board Diagnosis Logic .................................. . 466
DTC Confirmation Procedure .............................. . 466
Diagnostic Procedure .......................................... . 466 DTC P1217 ENGINE OVER TEMPERATURE .......
.467
Description ........................................................... .467
CONSULT-II Reference Value in Data Monitor Mode .469
On Board Diagnosis Logic ................................... .469
Overall Function Check ....................................... .469
Wiring Diagram .................................................... .471
Diagnostic Procedure .......................................... .473
Main 12 Causes of Overheating .......................... .478
Component Inspection ......................................... .478
DTC P1225 TP SENSOR ....................................... .479
Component Description ....................................... .479
On Board Diagnosis Logic ................................... .479
DTC Confirmation Procedure .............................. .479
Diagnostic Procedure .......................................... .480
Removal and Installation ..................................... .480
DTC P1226 TP SENSOR ....................................... .481
Component Description ....................................... .481
On Board Diagnosis Logic ................................... .481
DTC Confirmation Procedure .............................. .481
Diagnostic Procedure .......................................... .482
Removal and Installation ..................................... .482
DTC P1229 SENSOR POWER SUPPLY ............... .483
On Board Diagnosis Logic ................................... .483
DTC Confirmation Procedure .............................. .483
Wiring Diagram .................................................... .484
Diagnostic Procedure .......................................... .485
DTC P1271, P1281 A/F SENSOR 1 ...................... .488
Component Description ....................................... .488
CONSULT-II Reference Value in Data Monitor Mode .488
On Board Diagnosis Logic ................................... .488
DTC Confirmation Procedure .............................. .488
Wiring Diagram .................................................... .490
Diagnostic Procedure .......................................... .493
Removal and Installation ..................................... .496
DTC P1272, P1282 A/F SENSOR 1 ...................... .497
Component Description ....................................... .497
CONSULT-II Reference Value in Data Monitor Mode .497
On Board Diagnosis Logic ................................... .497
DTC Confirmation Procedure .............................. .497
Wiring Diagram .................................................... .499
Diagnostic Procedure .......................................... .502
Removal and Installation ..................................... .505
DTC P1273, P1283 A/F SENSOR 1 ...................... .506
Component Description ....................................... .506
CONSULT-II Reference Value in Data Monitor Mode .506
On Board Diagnosis Logic ................................... .506
DTC Confirmation Procedure .............................. .506
Wiring Diagram .................................................... .508
Diagnostic Procedure .......................................... .511
Removal and Installation ..................................... .515
DTC P1274, P1284 A/F SENSOR 1 ...................... .516
Component Description ....................................... .516
CONSULT-II Reference Value in Data Monitor Mode .516
On Board Diagnosis Logic ................................... .516

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DTC Confirmation Procedure ..............................
.516
Wiring Diagram .................................................... .518
Diagnostic Procedure ...

EC-6Revision: 2005 July 2005 FX
DTC Confirmation Procedure ..............................
.516
Wiring Diagram .................................................... .518
Diagnostic Procedure .......................................... .521
Removal and Installation ..................................... .525
DTC P1276, P1286 A/F SENSOR 1 ....................... .526
Component Description ....................................... .526
CONSULT-II Reference Value in Data Monitor Mode .526
On Board Diagnosis Logic ................................... .526
DTC Confirmation Procedure .............................. .526
Overall Function Check ....................................... .527
Wiring Diagram .................................................... .529
Diagnostic Procedure .......................................... .532
Removal and Installation ..................................... .535
DTC P1278, P1288 A/F SENSOR 1 ....................... .536
Component Description ....................................... .536
CONSULT-II Reference Value in Data Monitor Mode .536
On Board Diagnosis Logic ................................... .536
DTC Confirmation Procedure .............................. .537
Wiring Diagram .................................................... .539
Diagnostic Procedure .......................................... .542
Removal and Installation ..................................... .547
DTC P1279, P1289 A/F SENSOR 1 ....................... .548
Component Description ....................................... .548
CONSULT-II Reference Value in Data Monitor Mode .548
On Board Diagnosis Logic ................................... .548
DTC Confirmation Procedure .............................. .549
Wiring Diagram .................................................... .551
Diagnostic Procedure .......................................... .554
Removal and Installation ..................................... .559
DTC P1444 EVAP CANISTER PURGE VOLUME
CONTROL SOLENOID VALVE .............................. .560
Description ........................................................... .560
CONSULT-II Reference Value in Data Monitor Mode .560
On Board Diagnosis Logic ................................... .561
DTC Confirmation Procedure .............................. .561
Wiring Diagram .................................................... .562
Diagnostic Procedure .......................................... .564
Component Inspection ......................................... .567
Removal and Installation ..................................... .567
DTC P1446 EVAP CANISTER VENT CONTROL
VALVE .................................................................... .568
Component Description ....................................... .568
CONSULT-II Reference Value in Data Monitor Mode .568
On Board Diagnosis Logic ................................... .568
DTC Confirmation Procedure .............................. .569
Wiring Diagram .................................................... .570
Diagnostic Procedure .......................................... .571
Component Inspection ......................................... .572
DTC P1564 ICC STEERING SWITCH ................... .574
Component Description ....................................... .574
CONSULT-II Reference Value in Data Monitor Mode .574
On Board Diagnosis Logic ................................... .574
DTC Confirmation Procedure .............................. .574 Wiring Diagram ....................................................
.576
Diagnostic Procedure ........................................... .577
Component Inspection ......................................... .580
DTC P1564 ASCD STEERING SWITCH ............... .581
Component Description ....................................... .581
CONSULT-II Reference Value in Data Monitor Mode .581
On Board Diagnosis Logic ................................... .581
DTC Confirmation Procedure ............................... .582
Wiring Diagram .................................................... .583
Diagnostic Procedure ........................................... .584
Component Inspection ......................................... .586
DTC P1568 ICC FUNCTION .................................. .587
On Board Diagnosis Logic ................................... .587
DTC Confirmation Procedure ............................... .587
Diagnostic Procedure ........................................... .587
DTC P1572 ICC BRAKE SWITCH ......................... .588
Component Description ....................................... .588
CONSULT-II Reference Value in Data Monitor Mode .588
On Board Diagnosis Logic ................................... .588
DTC Confirmation Procedure ............................... .589
Wiring Diagram .................................................... .590
Diagnostic Procedure ........................................... .591
Component Inspection ......................................... .596
DTC P1572 ASCD BRAKE SWITCH ..................... .597
Component Description ....................................... .597
CONSULT-II Reference Value in Data Monitor Mode .597
On Board Diagnosis Logic ................................... .597
DTC Confirmation Procedure ............................... .598
Wiring Diagram .................................................... .599
Diagnostic Procedure ........................................... .600
Component Inspection ......................................... .604
DTC P1574 ICC VEHICLE SPEED SENSOR ........ .605
Component Description ....................................... .605
On Board Diagnosis Logic ................................... .605
DTC Confirmation Procedure ............................... .605
Diagnostic Procedure ........................................... .606
DTC P1574 ASCD VEHICLE SPEED SENSOR .... .607
Component Description ....................................... .607
On Board Diagnosis Logic ................................... .607
DTC Confirmation Procedure ............................... .607
Diagnostic Procedure ........................................... .608
DTC P1706 PNP SWITCH ...................................... .609
Component Description ....................................... .609
CONSULT-II Reference Value in Data Monitor Mode .609
On Board Diagnosis Logic ................................... .609
DTC Confirmation Procedure ............................... .609
Overall Function Check ........................................ .609
Wiring Diagram .................................................... .611
Diagnostic Procedure ........................................... .612
DTC P1805 BRAKE SWITCH ................................ .614
Description ........................................................... .614
CONSULT-II Reference Value in Data Monitor Mode .614
On Board Diagnosis Logic ................................... .614
DTC Confirmation Procedure ............................... .614

Page 1400 of 4731

INFINITI FX35 2005 Service Manual EC-7
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Wiring Diagram ...................................................
. 615
Diagnostic Procedure ............................

EC-7
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Revision: 2005 July 2005 FX
Wiring Diagram ...................................................
. 615
Diagnostic Procedure .......................................... . 616
Component Inspection ........................................ . 618
DTC P2122, P2123 APP SENSOR ....................... . 619
Component Description ....................................... . 619
CONSULT-II Reference Value in Data Monitor Mode . 619
On Board Diagnosis Logic .................................. . 619
DTC Confirmation Procedure .............................. . 620
Wiring Diagram ................................................... . 621
Diagnostic Procedure .......................................... . 622
Component Inspection ........................................ . 624
Removal and Installation ..................................... . 625
DTC P2127, P2128 APP SENSOR ....................... . 626
Component Description ....................................... . 626
CONSULT-II Reference Value in Data Monitor Mode . 626
On Board Diagnosis Logic .................................. . 626
DTC Confirmation Procedure .............................. . 627
Wiring Diagram ................................................... . 628
Diagnostic Procedure .......................................... . 629
Component Inspection ........................................ . 632
Removal and Installation ..................................... . 632
DTC P2135 TP SENSOR ....................................... . 633
Component Description ....................................... . 633
CONSULT-II Reference Value in Data Monitor Mode . 633
On Board Diagnosis Logic .................................. . 633
DTC Confirmation Procedure .............................. . 634
Wiring Diagram ................................................... . 635
Diagnostic Procedure .......................................... . 636
Component Inspection ........................................ . 639
Removal and Installation ..................................... . 639
DTC P2138 APP SENSOR .................................... . 640
Component Description ....................................... . 640
CONSULT-II Reference Value in Data Monitor Mode . 640
On Board Diagnosis Logic .................................. . 640
DTC Confirmation Procedure .............................. . 641
Wiring Diagram ................................................... . 642
Diagnostic Procedure .......................................... . 643
Component Inspection ........................................ . 647
Removal and Installation ..................................... . 647
IGNITION SIGNAL ................................................. . 648
Component Description ....................................... . 648
Wiring Diagram ................................................... . 649
Diagnostic Procedure .......................................... . 654
Component Inspection ........................................ . 659
Removal and Installation ..................................... . 660
INJECTOR CIRCUIT .............................................. . 661
Component Description ....................................... . 661
CONSULT-II Reference Value in Data Monitor Mode . 661
Wiring Diagram ................................................... . 662
Diagnostic Procedure .......................................... . 663
Component Inspection ........................................ . 667
Removal and Installation ..................................... . 667
FUEL PUMP CIRCUIT ........................................... . 668
Description .......................................................... . 668 CONSULT-II Reference Value in Data Monitor Mode
.668
Wiring Diagram .................................................... .669
Diagnostic Procedure .......................................... .670
Component Inspection ......................................... .672
Removal and Installation ..................................... .673
REFRIGERANT PRESSURE SENSOR ................. .674
Component Description ....................................... .674
Wiring Diagram .................................................... .675
Diagnostic Procedure .......................................... .676
Removal and Installation ..................................... .678
ELECTRICAL LOAD SIGNAL ............................... .679
Description ........................................................... .679
CONSULT-II Reference Value in Data Monitor Mode .679
Diagnostic Procedure .......................................... .679
ICC BRAKE SWITCH ............................................ .680
Component Description ....................................... .680
CONSULT-II Reference Value in Data Monitor Mode .680
Wiring Diagram .................................................... .681
Diagnostic Procedure .......................................... .682
Component Inspection ......................................... .687
ASCD BRAKE SWITCH ........................................ .688
Component Description ....................................... .688
CONSULT-II Reference Value in Data Monitor Mode .688
Wiring Diagram .................................................... .689
Diagnostic Procedure .......................................... .690
Component Inspection ......................................... .694
ASCD INDICATOR ................................................. .695
Component Description ....................................... .695
CONSULT-II Reference Value in Data Monitor Mode .695
Wiring Diagram .................................................... .696
Diagnostic Procedure .......................................... .697
SNOW MODE SWITCH ......................................... .698
Description ........................................................... .698
CONSULT-II Reference Value in the Data Monitor
Mode .................................................................... .698
Wiring Diagram .................................................... .699
Diagnostic Procedure .......................................... .700
Component Inspection ......................................... .702
MIL AND DATA LINK CONNECTOR ..................... .703
Wiring Diagram .................................................... .703
SERVICE DATA AND SPECIFICATIONS (SDS) ... .705
Fuel Pressure ...................................................... .705
Idle Speed and Ignition Timing ............................ .705
Calculated Load Value ......................................... .705
Mass Air Flow Sensor .......................................... .705
Intake Air Temperature Sensor ............................ .705
Engine Coolant Temperature Sensor .................. .705
Air Fuel Ratio (A/F) Sensor 1 Heater ................... .705
Heated Oxygen sensor 2 Heater ......................... .705
Crankshaft Position Sensor (POS) ...................... .705
Camshaft Position Sensor (PHASE) ................... .705
Throttle Control Motor .......................................... .705
Injector ................................................................. .706
Fuel Pump ........................................................... .706

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