2007 INFINITI M35 diagram

DI-86
LANE DEPARTURE WARNING SYSTEM
Revision: 2007 April2007 M35/M45
Wiring Diagram — LDW —NKS003VK
TKWT5287E

COMPASS
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Wiring Diagram – COMPAS –NKS003W6
TKWT5086E

CLOCK
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CLOCKPFP:25820
Wiring Diagram — CLOCK —NKS003W8
TKWT5289E

EC-1
ENGINE CONTROL SYSTEM
B ENGINE
CONTENTS
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SECTION EC
A
EC
Revision: 2007 April2007 M35/M45
ENGINE CONTROL SYSTEM
VQ35DE
INDEX FOR DTC ...................................................... 16
DTC No. Index ....................................................... 16
Alphabetical Index .................................................. 20
PRECAUTIONS ........................................................ 24
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ................................................................ 24
Precautions for Procedures without Cowl Top Cover ... 24
On Board Diagnostic (OBD) System of Engine and
A/T .......................................................................... 24
Precaution .............................................................. 25
PREPARATION ......................................................... 28
Special Service Tools ............................................. 28
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 ........................................... 49POSITIVE 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) ........................... 70
OBD System Operation Chart ................................ 73
BASIC SERVICE PROCEDURE ............................... 78
Basic Inspection ..................................................... 78
Idle Speed and Ignition Timing Check .................... 83
Procedure After Replacing ECM ............................ 85
VIN Registration ..................................................... 85
Accelerator Pedal Released Position Learning ...... 86
Throttle Valve Closed Position Learning ................. 86
Idle Air Volume Learning ........................................ 86
Fuel Pressure Check .............................................. 88
TROUBLE DIAGNOSIS ............................................ 90
Trouble Diagnosis Introduction ............................... 90
DTC Inspection Priority Chart ................................. 96
Fail-Safe Chart ....................................................... 98
Symptom Matrix Chart ............................................ 99
Engine Control Component Parts Location ..........103
Vacuum Hose Drawing ..........................................111
Circuit Diagram .....................................................112
ECM Harness Connector Terminal Layout ...........114
ECM Terminals and Reference Value ...................114
CONSULT-II Function (ENGINE) ..........................123
Generic Scan Tool (GST) Function .......................135
CONSULT-II Reference Value in Data Monitor .....138
Major Sensor Reference Graph in Data Monitor
Mode .....................................................................141
TROUBLE DIAGNOSIS - SPECIFICATION VALUE .143
Description ............................................................143
Testing Condition ..................................................143

EC-2Revision: 2007 April2007 M35/M45 Inspection Procedure ............................................143
Diagnostic Procedure ...........................................144
TROUBLE DIAGNOSIS FOR INTERMITTENT INCI-
DENT .......................................................................153
Description ............................................................153
Diagnostic Procedure ...........................................153
POWER SUPPLY AND GROUND CIRCUIT ...........154
Wiring Diagram .....................................................154
Diagnostic Procedure ...........................................155
Ground Inspection ................................................160
DTC U1000, U1001 CAN COMMUNICATION LINE .161
Description ............................................................161
On Board Diagnosis Logic ....................................161
DTC Confirmation Procedure ...............................161
Wiring Diagram .....................................................162
Diagnostic Procedure ...........................................163
DTC U1010 CAN COMMUNICATION .....................164
Description ............................................................164
On Board Diagnosis Logic ....................................164
DTC Confirmation Procedure ...............................164
Diagnostic Procedure ...........................................165
DTC P0011, P0021 IVT CONTROL ........................166
Description ............................................................166
CONSULT-II Reference Value in Data Monitor Mode
.166
On Board Diagnosis Logic ....................................167
DTC Confirmation Procedure ...............................167
Diagnostic Procedure ...........................................168
Component Inspection ..........................................169
Removal and Installation ......................................169
DTC P0031, P0032, P0051, P0052 A/F SENSOR 1
HEATER ..................................................................170
Description ............................................................170
CONSULT-II Reference Value in Data Monitor Mode
.170
On Board Diagnosis Logic ....................................170
DTC Confirmation Procedure ...............................170
Wiring Diagram .....................................................171
Diagnostic Procedure ...........................................174
Component Inspection ..........................................176
Removal and Installation ......................................176
DTC P0037, P0038, P0057, P0058 HO2S2 HEATER .177
Description ............................................................177
CONSULT-II Reference Value in Data Monitor Mode
.177
On Board Diagnosis Logic ....................................177
DTC Confirmation Procedure ...............................178
Wiring Diagram .....................................................179
Diagnostic Procedure ...........................................182
Component Inspection ..........................................184
Removal and Installation ......................................184
DTC P0075, P0081 IVT CONTROL SOLENOID
VALVE .....................................................................185
Component Description ........................................185
CONSULT-II Reference Value in Data Monitor Mode
.185
On Board Diagnosis Logic ....................................185
DTC Confirmation Procedure ...............................185
Wiring Diagram .....................................................186Diagnostic Procedure ............................................190
Component Inspection ..........................................192
Removal and Installation .......................................192
DTC P0101 MAF SENSOR .....................................193
Component Description ........................................193
CONSULT-II Reference Value in Data Monitor Mode
.193
On Board Diagnosis Logic ....................................193
DTC Confirmation Procedure ................................194
Overall Function Check .........................................195
Wiring Diagram .....................................................196
Diagnostic Procedure ............................................197
Component Inspection ..........................................200
Removal and Installation .......................................201
DTC P0102, P0103 MAF SENSOR .........................202
Component Description ........................................202
CONSULT-II Reference Value in Data Monitor Mode
.202
On Board Diagnosis Logic ....................................202
DTC Confirmation Procedure ................................203
Wiring Diagram .....................................................204
Diagnostic Procedure ............................................205
Component Inspection ..........................................207
Removal and Installation .......................................208
DTC P0112, P0113 IAT SENSOR ............................209
Component Description ........................................209
On Board Diagnosis Logic ....................................209
DTC Confirmation Procedure ................................209
Wiring Diagram .....................................................211
Diagnostic Procedure ............................................212
Component Inspection ..........................................213
Removal and Installation .......................................213
DTC P0117, P0118 ECT SENSOR ..........................214
Component Description ........................................214
On Board Diagnosis Logic ....................................214
DTC Confirmation Procedure ................................215
Wiring Diagram .....................................................216
Diagnostic Procedure ............................................217
Component Inspection ..........................................218
Removal and Installation .......................................218
DTC P0122, P0123 TP SENSOR ............................219
Component Description ........................................219
CONSULT-II Reference Value in Data Monitor Mode
.219
On Board Diagnosis Logic ....................................219
DTC Confirmation Procedure ................................220
Wiring Diagram .....................................................221
Diagnostic Procedure ............................................222
Component Inspection ..........................................225
Removal and Installation .......................................225
DTC P0125 ECT SENSOR ......................................226
Component Description ........................................226
On Board Diagnosis Logic ....................................226
DTC Confirmation Procedure ................................227
Diagnostic Procedure ............................................227
Component Inspection ..........................................228
Removal and Installation .......................................228
DTC P0127 IAT SENSOR ........................................229
Component Description ........................................229

EC-3
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Revision: 2007 April2007 M35/M45 On Board Diagnosis Logic ................................... 229
DTC Confirmation Procedure ............................... 229
Diagnostic Procedure ........................................... 230
Component Inspection ......................................... 231
Removal and Installation ...................................... 231
DTC P0128 THERMOSTAT FUNCTION ................ 232
On Board Diagnosis Logic ................................... 232
DTC Confirmation Procedure ............................... 232
Diagnostic Procedure ........................................... 232
Component Inspection ......................................... 233
Removal and Installation ...................................... 233
DTC P0130, P0150 A/F SENSOR 1 ....................... 234
Component Description ........................................ 234
CONSULT-II Reference Value in Data Monitor Mode
. 234
On Board Diagnosis Logic ................................... 234
DTC Confirmation Procedure ............................... 234
Overall Function Check ........................................ 236
Wiring Diagram .................................................... 237
Diagnostic Procedure ........................................... 240
Removal and Installation ...................................... 243
DTC P0131, P0151 A/F SENSOR 1 ....................... 244
Component Description ........................................ 244
CONSULT-II Reference Value in Data Monitor Mode
. 244
On Board Diagnosis Logic ................................... 244
DTC Confirmation Procedure ............................... 244
Wiring Diagram .................................................... 246
Diagnostic Procedure ........................................... 249
Removal and Installation ...................................... 252
DTC P0132, P0152 A/F SENSOR 1 ....................... 253
Component Description ........................................ 253
CONSULT-II Reference Value in Data Monitor Mode
. 253
On Board Diagnosis Logic ................................... 253
DTC Confirmation Procedure ............................... 253
Wiring Diagram .................................................... 255
Diagnostic Procedure ........................................... 258
Removal and Installation ...................................... 261
DTC P0133, P0153 A/F SENSOR 1 ....................... 262
Component Description ........................................ 262
CONSULT-II Reference Value in Data Monitor Mode
. 262
On Board Diagnosis Logic ................................... 262
DTC Confirmation Procedure ............................... 263
Wiring Diagram .................................................... 265
Diagnostic Procedure ........................................... 268
Removal and Installation ...................................... 273
DTC P0137, P0157 HO2S2 .................................... 274
Component Description ........................................ 274
CONSULT-II Reference Value in Data Monitor Mode
. 274
On Board Diagnosis Logic ................................... 274
DTC Confirmation Procedure ............................... 275
Overall Function Check ........................................ 275
Wiring Diagram .................................................... 277
Diagnostic Procedure ........................................... 280
Component Inspection ......................................... 282
Removal and Installation ...................................... 284DTC P0138, P0158 HO2S2 .....................................285
Component Description ........................................285
CONSULT-II Reference Value in Data Monitor Mode
.285
On Board Diagnosis Logic ....................................285
DTC Confirmation Procedure ...............................286
Overall Function Check ........................................287
Wiring Diagram .....................................................288
Diagnostic Procedure ...........................................291
Component Inspection ..........................................295
Removal and Installation ......................................297
DTC P0139, P0159 HO2S2 .....................................298
Component Description ........................................298
CONSULT-II Reference Value in Data Monitor Mode
.298
On Board Diagnosis Logic ....................................298
DTC Confirmation Procedure ...............................299
Overall Function Check ........................................299
Wiring Diagram .....................................................301
Diagnostic Procedure ...........................................304
Component Inspection ..........................................306
Removal and Installation ......................................308
DTC P0171, P0174 FUEL INJECTION SYSTEM
FUNCTION ..............................................................309
On Board Diagnosis Logic ....................................309
DTC Confirmation Procedure ...............................309
Wiring Diagram .....................................................311
Diagnostic Procedure ...........................................315
DTC P0172, P0175 FUEL INJECTION SYSTEM
FUNCTION ..............................................................320
On Board Diagnosis Logic ....................................320
DTC Confirmation Procedure ...............................320
Wiring Diagram .....................................................322
Diagnostic Procedure ...........................................326
DTC P0181 FTT SENSOR ......................................331
Component Description ........................................331
On Board Diagnosis Logic ....................................331
DTC Confirmation Procedure ...............................331
Wiring Diagram .....................................................333
Diagnostic Procedure ...........................................334
Component Inspection ..........................................336
Removal and Installation ......................................336
DTC P0182, P0183 FTT SENSOR ..........................337
Component Description ........................................337
On Board Diagnosis Logic ....................................337
DTC Confirmation Procedure ...............................337
Wiring Diagram .....................................................338
Diagnostic Procedure ...........................................339
Component Inspection ..........................................341
Removal and Installation ......................................341
DTC P0222, P0223 TP SENSOR ............................342
Component Description ........................................342
CONSULT-II Reference Value in Data Monitor Mode
.342
On Board Diagnosis Logic ....................................342
DTC Confirmation Procedure ...............................343
Wiring Diagram .....................................................344
Diagnostic Procedure ...........................................345

EC-4Revision: 2007 April2007 M35/M45 Component Inspection ..........................................348
Removal and Installation ......................................348
DTC P0300 - P0306 MULTIPLE CYLINDER MIS-
FIRE, NO. 1 - 6 CYLINDER MISFIRE .....................349
On Board Diagnosis Logic ....................................349
DTC Confirmation Procedure ...............................349
Diagnostic Procedure ...........................................350
DTC P0327, P0328 KS ............................................359
Component Description ........................................359
On Board Diagnosis Logic ....................................359
DTC Confirmation Procedure ...............................359
Wiring Diagram .....................................................360
Diagnostic Procedure ...........................................361
Component Inspection ..........................................363
Removal and Installation ......................................363
DTC P0335 CKP SENSOR (POS) ..........................364
Component Description ........................................364
CONSULT-II Reference Value in Data Monitor Mode
.364
On Board Diagnosis Logic ....................................364
DTC Confirmation Procedure ...............................365
Wiring Diagram .....................................................366
Diagnostic Procedure ...........................................367
Component Inspection ..........................................370
Removal and Installation ......................................370
DTC P0340, P0345 CMP SENSOR (PHASE) .........371
Component Description ........................................371
CONSULT-II Reference Value in Data Monitor Mode
.371
On Board Diagnosis Logic ....................................371
DTC Confirmation Procedure ...............................371
Wiring Diagram .....................................................373
Diagnostic Procedure ...........................................376
Component Inspection ..........................................379
Removal and Installation ......................................379
DTC P0420, P0430 THREE WAY CATALYST FUNC-
TION ........................................................................380
On Board Diagnosis Logic ....................................380
DTC Confirmation Procedure ...............................380
Overall Function Check ........................................381
Diagnostic Procedure ...........................................382
DTC P0441 EVAP CONTROL SYSTEM .................386
System Description ...............................................386
On Board Diagnosis Logic ....................................386
DTC Confirmation Procedure ...............................386
Overall Function Check ........................................387
Diagnostic Procedure ...........................................388
DTC P0442 EVAP CONTROL SYSTEM .................391
On Board Diagnosis Logic ....................................391
DTC Confirmation Procedure ...............................392
Diagnostic Procedure ...........................................393
DTC P0443 EVAP CANISTER PURGE VOLUME
CONTROL SOLENOID VALVE ...............................400
Description ............................................................400
CONSULT-II Reference Value in Data Monitor Mode
.400
On Board Diagnosis Logic ....................................401
DTC Confirmation Procedure ...............................401
Wiring Diagram .....................................................402Diagnostic Procedure ............................................404
Component Inspection ..........................................407
Removal and Installation .......................................407
DTC P0444, P0445 EVAP CANISTER PURGE VOL-
UME CONTROL SOLENOID VALVE ......................408
Description ............................................................408
CONSULT-II Reference Value in Data Monitor Mode
.408
On Board Diagnosis Logic ....................................409
DTC Confirmation Procedure ................................409
Wiring Diagram .....................................................410
Diagnostic Procedure ............................................412
Component Inspection ..........................................413
Removal and Installation .......................................414
DTC P0447 EVAP CANISTER VENT CONTROL
VALVE ......................................................................415
Component Description ........................................415
CONSULT-II Reference Value in Data Monitor Mode
.415
On Board Diagnosis Logic ....................................415
DTC Confirmation Procedure ................................416
Wiring Diagram .....................................................417
Diagnostic Procedure ............................................418
Component Inspection ..........................................420
DTC P0448 EVAP CANISTER VENT CONTROL
VALVE ......................................................................422
Component Description ........................................422
CONSULT-II Reference Value in Data Monitor Mode
.422
On Board Diagnosis Logic ....................................422
DTC Confirmation Procedure ................................423
Wiring Diagram .....................................................424
Diagnostic Procedure ............................................425
Component Inspection ..........................................426
DTC P0451 EVAP CONTROL SYSTEM PRESSURE
SENSOR ..................................................................428
Component Description ........................................428
CONSULT-II Reference Value in Data Monitor Mode
.428
On Board Diagnosis Logic ....................................428
DTC Confirmation Procedure ................................429
Diagnostic Procedure ............................................429
Component Inspection ..........................................430
DTC P0452 EVAP CONTROL SYSTEM PRESSURE
SENSOR ..................................................................431
Component Description ........................................431
CONSULT-II Reference Value in Data Monitor Mode
.431
On Board Diagnosis Logic ....................................431
DTC Confirmation Procedure ................................432
Wiring Diagram .....................................................433
Diagnostic Procedure ............................................434
Component Inspection ..........................................436
DTC P0453 EVAP CONTROL SYSTEM PRESSURE
SENSOR ..................................................................437
Component Description ........................................437
CONSULT-II Reference Value in Data Monitor Mode
.437
On Board Diagnosis Logic ....................................437

EC-5
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Revision: 2007 April2007 M35/M45 DTC Confirmation Procedure ............................... 438
Wiring Diagram .................................................... 439
Diagnostic Procedure ........................................... 440
Component Inspection ......................................... 444
DTC P0455 EVAP CONTROL SYSTEM ................ 445
On Board Diagnosis Logic ................................... 445
DTC Confirmation Procedure ............................... 446
Diagnostic Procedure ........................................... 447
DTC P0456 EVAP CONTROL SYSTEM ................ 453
On Board Diagnosis Logic ................................... 453
DTC Confirmation Procedure ............................... 454
Overall Function Check ........................................ 455
Diagnostic Procedure ........................................... 456
DTC P0460 FUEL LEVEL SENSOR ...................... 462
Component Description ........................................ 462
On Board Diagnosis Logic ................................... 462
DTC Confirmation Procedure ............................... 462
Diagnostic Procedure ........................................... 463
Removal and Installation ...................................... 463
DTC P0461 FUEL LEVEL SENSOR ...................... 464
Component Description ........................................ 464
On Board Diagnosis Logic ................................... 464
Overall Function Check ........................................ 464
Diagnostic Procedure ........................................... 465
Removal and Installation ...................................... 465
DTC P0462, P0463 FUEL LEVEL SENSOR CIR-
CUIT ........................................................................ 466
Component Description ........................................ 466
On Board Diagnosis Logic ................................... 466
DTC Confirmation Procedure ............................... 466
Diagnostic Procedure ........................................... 467
Removal and Installation ...................................... 467
DTC P0500 VSS ..................................................... 468
Description ........................................................... 468
On Board Diagnosis Logic ................................... 468
DTC Confirmation Procedure ............................... 468
Overall Function Check ........................................ 469
Diagnostic Procedure ........................................... 469
DTC P0506 ISC SYSTEM ....................................... 470
Description ........................................................... 470
On Board Diagnosis Logic ................................... 470
DTC Confirmation Procedure ............................... 470
Diagnostic Procedure ........................................... 471
DTC P0507 ISC SYSTEM ....................................... 472
Description ........................................................... 472
On Board Diagnosis Logic ................................... 472
DTC Confirmation Procedure ............................... 472
Diagnostic Procedure ........................................... 473
DTC P0550 PSP SENSOR ..................................... 474
Component Description ........................................ 474
CONSULT-II Reference Value in Data Monitor Mode
. 474
On Board Diagnosis Logic ................................... 474
DTC Confirmation Procedure ............................... 474
Wiring Diagram .................................................... 475
Diagnostic Procedure ........................................... 476
Component Inspection ......................................... 478
Removal and Installation ...................................... 478DTC P0603 ECM POWER SUPPLY .......................479
Component Description ........................................479
On Board Diagnosis Logic ....................................479
DTC Confirmation Procedure ...............................479
Wiring Diagram .....................................................480
Diagnostic Procedure ...........................................481
DTC P0605 ECM .....................................................483
Component Description ........................................483
On Board Diagnosis Logic ....................................483
DTC Confirmation Procedure ...............................483
Diagnostic Procedure ...........................................484
DTC P0643 SENSOR POWER SUPPLY ................486
On Board Diagnosis Logic ....................................486
DTC Confirmation Procedure ...............................486
Wiring Diagram .....................................................487
Diagnostic Procedure ...........................................489
DTC P0850 PNP SWITCH ......................................491
Component Description ........................................491
CONSULT-II Reference Value in Data Monitor Mode
.491
On Board Diagnosis Logic ....................................491
DTC Confirmation Procedure ...............................491
Overall Function Check ........................................492
Wiring Diagram .....................................................493
Diagnostic Procedure ...........................................494
DTC P1148, P1168 CLOSED LOOP CONTROL ....496
On Board Diagnosis Logic ....................................496
DTC P1211 TCS CONTROL UNIT ..........................497
Description ............................................................497
On Board Diagnosis Logic ....................................497
DTC Confirmation Procedure ...............................497
Diagnostic Procedure ...........................................497
DTC P1212 TCS COMMUNICATION LINE ............498
Description ............................................................498
On Board Diagnosis Logic ....................................498
DTC Confirmation Procedure ...............................498
Diagnostic Procedure ...........................................498
DTC P1217 ENGINE OVER TEMPERATURE ........499
Description ............................................................499
CONSULT-II Reference Value in Data Monitor Mode
.500
On Board Diagnosis Logic ....................................500
Overall Function Check ........................................500
Wiring Diagram .....................................................502
Diagnostic Procedure ...........................................504
Main 12 Causes of Overheating ...........................507
Component Inspection ..........................................509
DTC P1220 FUEL PUMP CONTROL MODULE
(FPCM) ....................................................................510
Description ............................................................510
CONSULT-II Reference Value in Data Monitor Mode
.510
On Board Diagnosis Logic ....................................510
DTC Confirmation Procedure ...............................511
Wiring Diagram .....................................................512
Diagnostic Procedure ...........................................513
Component Inspection ..........................................517
DTC P1225 TP SENSOR ........................................518
Component Description ........................................518