Infiniti I30 (A33). Manual — part 172

Possible Cause. . . . . . . . . . . . . . 239
DTC Confirmation Procedure . . . . . . . . ..240
Wiring Diagram . . . . . . . . . . . . . . 241
Diagnostic Procedure . . . . . . . . . . . ..243

DTC P0137 (BANK 1), P0157 (BANK 2) HO2S2
(REAR) (MIN. VOLTAGE MONITORING). . . . ...246

Component Description . . . . . . . . . . ...246
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 246
On Board Diagnosis Logic. . . . . . . . . ...246
Possible Cause. . . . . . . . . . . . . . 247
DTC Confirmation Procedure . . . . . . . . ..247
Overall Function Check . . . . . . . . . . ...247
Wiring Diagram . . . . . . . . . . . . . . 249
Diagnostic Procedure . . . . . . . . . . . ..251

DTC P0138 (BANK 1), P0158 (BANK 2) HO2S2
(REAR) (MAX. VOLTAGE MONITORING) . . . . .256

Component Description . . . . . . . . . . ...256
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 256
On Board Diagnosis Logic. . . . . . . . . ...256
Possible Cause. . . . . . . . . . . . . . 257
DTC Confirmation Procedure . . . . . . . . ..257
Overall Function Check . . . . . . . . . . ...257
Wiring Diagram . . . . . . . . . . . . . . 259
Diagnostic Procedure . . . . . . . . . . . ..261

DTC P0139 (BANK 1), P0159 (BANK 2) HO2S2
(REAR) (RESPONSE MONITORING). . . . . . .266

Component Description . . . . . . . . . . ...266
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 266
On Board Diagnosis Logic. . . . . . . . . ...266
Possible Cause. . . . . . . . . . . . . . 267
DTC Confirmation Procedure . . . . . . . . ..267
Overall Function Check . . . . . . . . . . ...267
Wiring Diagram . . . . . . . . . . . . . . 269
Diagnostic Procedure . . . . . . . . . . . ..271

DTC P0140 (BANK 1), P0160 (BANK 2) HO2S2
(REAR) (HIGH VOLTAGE) . . . . . . . . . . ..276

Component Description . . . . . . . . . . ...276
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 276
On Board Diagnosis Logic. . . . . . . . . ...276
Possible Cause. . . . . . . . . . . . . . 277
DTC Confirmation Procedure . . . . . . . . ..277
Overall Function Check . . . . . . . . . . ...277
Wiring Diagram . . . . . . . . . . . . . . 279
Diagnostic Procedure . . . . . . . . . . . ..281

DTC P0141 (BANK 1), P0161 (BANK 2) HO2S2
HEATER (REAR) . . . . . . . . . . . . . . .285

Description . . . . . . . . . . . . . . . ...285

CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 285
On Board Diagnosis Logic. . . . . . . . . ...285
Possible Cause. . . . . . . . . . . . . . 285
DTC Confirmation Procedure . . . . . . . . ..286
Wiring Diagram . . . . . . . . . . . . . . 287
Diagnostic Procedure . . . . . . . . . . . ..289

DTC P0171 (BANK 1), P0174 (BANK 2) FUEL
INJECTION SYSTEM FUNCTION (LEAN) . . . . .292

On Board Diagnosis Logic. . . . . . . . . ...292
Possible Cause. . . . . . . . . . . . . . 292
DTC Confirmation Procedure . . . . . . . . ..292
Wiring Diagram . . . . . . . . . . . . . . 294
Diagnostic Procedure . . . . . . . . . . . ..296

DTC P0172 (BANK 1), P0175 (BANK 2) FUEL
INJECTION SYSTEM FUNCTION (RICH) . . . . ..300

On Board Diagnosis Logic. . . . . . . . . ...300
Possible Cause. . . . . . . . . . . . . . 300
DTC Confirmation Procedure . . . . . . . . ..300
Wiring Diagram . . . . . . . . . . . . . . 302
Diagnostic Procedure . . . . . . . . . . . ..304

DTC P0180 FUEL TANK TEMPERATURE
SENSOR . . . . . . . . . . . . . . . . . ..307

Component Description . . . . . . . . . . ...307
On Board Diagnosis Logic. . . . . . . . . ...307
Possible Cause. . . . . . . . . . . . . . 307
DTC Confirmation Procedure . . . . . . . . ..308
Wiring Diagram . . . . . . . . . . . . . . 309
Diagnostic Procedure . . . . . . . . . . . ..310

DTC P0217 COOLANT OVERTEMPERATURE
ENRICHMENT PROTECTION. . . . . . . . . .312

System Description. . . . . . . . . . . . ..312
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 312
On Board Diagnosis Logic. . . . . . . . . ...313
Possible Cause. . . . . . . . . . . . . . 313
Overall Function Check . . . . . . . . . . ...313
Wiring Diagram . . . . . . . . . . . . . . 316
Diagnostic Procedure . . . . . . . . . . . ..318
Main 12 Causes of Overheating. . . . . . . ..329

DTC P0300 - P0306 NO. 6 - 1 CYLINDER
MISFIRE, MULTIPLE CYLINDER MISFIRE . . . ...330

On Board Diagnosis Logic. . . . . . . . . ...330
Possible Cause. . . . . . . . . . . . . . 330
DTC Confirmation Procedure . . . . . . . . ..331
Diagnostic Procedure . . . . . . . . . . . ..331

DTC P0325 KNOCK SENSOR (KS) . . . . . . ...338

Component Description . . . . . . . . . . ...338
On Board Diagnosis Logic. . . . . . . . . ...338
Possible Cause. . . . . . . . . . . . . . 338
DTC Confirmation Procedure . . . . . . . . ..338
Wiring Diagram . . . . . . . . . . . . . . 339

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EC-3

Diagnostic Procedure . . . . . . . . . . . ..340

DTC P0335 CRANKSHAFT POSITION SENSOR
(CKPS) (POS) . . . . . . . . . . . . . . . ..343

Component Description . . . . . . . . . . ...343
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 343
On Board Diagnosis Logic. . . . . . . . . ...343
Possible Cause. . . . . . . . . . . . . . 343
DTC Confirmation Procedure . . . . . . . . ..344
Wiring Diagram . . . . . . . . . . . . . . 345
Diagnostic Procedure . . . . . . . . . . . ..346

DTC P0340 CAMSHAFT POSITION SENSOR
(CMPS) (PHASE). . . . . . . . . . . . . . .351

Component Description . . . . . . . . . . ...351
On Board Diagnosis Logic. . . . . . . . . ...351
Possible Cause. . . . . . . . . . . . . . 351
DTC Confirmation Procedure . . . . . . . . ..351
Wiring Diagram . . . . . . . . . . . . . . 353
Diagnostic Procedure . . . . . . . . . . . ..354

DTC P0420 (BANK 1), P0430 (BANK 2) THREE
WAY CATALYST FUNCTION . . . . . . . . . .357

On Board Diagnosis Logic. . . . . . . . . ...357
Possible Cause. . . . . . . . . . . . . . 357
DTC Confirmation Procedure . . . . . . . . ..358
Overall Function Check . . . . . . . . . . ...358
Diagnostic Procedure . . . . . . . . . . . ..359

DTC P0440 EVAP CONTROL SYSTEM (SMALL
LEAK) (NEGATIVE PRESSURE). . . . . . . . 362

On Board Diagnosis Logic. . . . . . . . . ...362
Possible Cause. . . . . . . . . . . . . . 362
DTC Confirmation Procedure . . . . . . . . ..363
Diagnostic Procedure . . . . . . . . . . . ..364

DTC P0443 EVAP CANISTER PURGE VOLUME
CONTROL SOLENOID VALVE (CIRCUIT). . . . .377

Description . . . . . . . . . . . . . . . ...377
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 377
On Board Diagnosis Logic. . . . . . . . . ...378
Possible Cause. . . . . . . . . . . . . . 378
DTC Confirmation Procedure . . . . . . . . ..378
Wiring Diagram . . . . . . . . . . . . . . 379
Diagnostic Procedure . . . . . . . . . . . ..380

DTC P0446 EVAPORATIVE EMISSION (EVAP)
CANISTER VENT CONTROL VALVE (CIRCUIT) . ..383

Component Description . . . . . . . . . . ...383
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 383
On Board Diagnosis Logic. . . . . . . . . ...383
Possible Cause. . . . . . . . . . . . . . 383
DTC Confirmation Procedure . . . . . . . . ..384
Wiring Diagram . . . . . . . . . . . . . . 385
Diagnostic Procedure . . . . . . . . . . . ..386

DTC P0450 EVAPORATIVE EMISSION (EVAP)
CONTROL SYSTEM PRESSURE SENSOR . . . ..390

Component Description . . . . . . . . . . ...390
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 390
On Board Diagnosis Logic. . . . . . . . . ...390
Possible Cause. . . . . . . . . . . . . . 390
DTC Confirmation Procedure . . . . . . . . ..391
Wiring Diagram . . . . . . . . . . . . . . 392
Diagnostic Procedure . . . . . . . . . . . ..393

DTC P0455 EVAP CONTROL SYSTEM (GROSS
LEAK). . . . . . . . . . . . . . . . . . ...402

On Board Diagnosis Logic. . . . . . . . . ...402
Possible Cause. . . . . . . . . . . . . . 402
DTC Confirmation Procedure . . . . . . . . ..403
Diagnostic Procedure . . . . . . . . . . . ..404

DTC P0460 FUEL LEVEL SENSOR FUNCTION
(SLOSH). . . . . . . . . . . . . . . . . ...415

Component Description . . . . . . . . . . ...415
On Board Diagnostic Logic. . . . . . . . . ..415
Possible Cause. . . . . . . . . . . . . . 415
DTC Confirmation Procedure . . . . . . . . ..415
Wiring Diagram . . . . . . . . . . . . . . 416
Diagnostic Procedure . . . . . . . . . . . ..417

DTC P0461 FUEL LEVEL SENSOR FUNCTION . ...419

Component Description . . . . . . . . . . ...419
On Board Diagnostic Logic. . . . . . . . . ..419
Possible Cause. . . . . . . . . . . . . . 419
Overall Function Check . . . . . . . . . . ...419

DTC P0464 FUEL LEVEL SENSOR CIRCUIT . . ...421

Component Description . . . . . . . . . . ...421
On Board Diagnostic Logic. . . . . . . . . ..421
Possible Cause. . . . . . . . . . . . . . 421
DTC Confirmation Procedure . . . . . . . . ..421
Wiring Diagram . . . . . . . . . . . . . . 422
Diagnostic Procedure . . . . . . . . . . . ..423

DTC P0500 VEHICLE SPEED SENSOR (VSS) . . .425

Component Description . . . . . . . . . . ...425
On Board Diagnosis Logic. . . . . . . . . ...425
Possible Cause. . . . . . . . . . . . . . 425
DTC Confirmation Procedure . . . . . . . . ..425
Overall Function Check . . . . . . . . . . ...426
Wiring Diagram . . . . . . . . . . . . . . 427
Diagnostic Procedure . . . . . . . . . . . ..428

DTC P0505 IDLE AIR CONTROL VALVE (IACV) -
AUXILIARY AIR CONTROL (AAC) VALVE . . . ...429

Description . . . . . . . . . . . . . . . ...429
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 430
On Board Diagnosis Logic. . . . . . . . . ...430
Possible Cause. . . . . . . . . . . . . . 430
DTC Confirmation Procedure . . . . . . . . ..430

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EC-4

Wiring Diagram . . . . . . . . . . . . . . 432
Diagnostic Procedure . . . . . . . . . . . ..433

DTC P0510 CLOSED THROTTLE POSITION
SWITCH . . . . . . . . . . . . . . . . . ...438

Component Description . . . . . . . . . . ...438
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 438
On Board Diagnosis Logic. . . . . . . . . ...438
Possible Cause. . . . . . . . . . . . . . 438
DTC Confirmation Procedure . . . . . . . . ..439
Overall Function Check . . . . . . . . . . ...439
Wiring Diagram . . . . . . . . . . . . . . 441
Diagnostic Procedure . . . . . . . . . . . ..442

DTC P0600 A/T COMMUNICATION LINE. . . . ..446

System Description. . . . . . . . . . . . ..446
On Board Diagnosis Logic. . . . . . . . . ...446
Possible Cause. . . . . . . . . . . . . . 446
DTC Confirmation Procedure . . . . . . . . ..446
Wiring Diagram . . . . . . . . . . . . . . 447
Diagnostic Procedure . . . . . . . . . . . ..448

DTC P0605 ECM . . . . . . . . . . . . . . .449

Component Description . . . . . . . . . . ...449
On Board Diagnosis Logic. . . . . . . . . ...449
Possible Cause. . . . . . . . . . . . . . 449
DTC Confirmation Procedure . . . . . . . . ..449
Diagnostic Procedure . . . . . . . . . . . ..450

DTC P1126 THERMOSTAT FUNCTION. . . . . .451

On Board Diagnosis Logic. . . . . . . . . ...451
Possible Cause. . . . . . . . . . . . . . 451
DTC Confirmation Procedure . . . . . . . . ..451
Diagnostic Procedure . . . . . . . . . . . ..452

DTC P1130 SWIRL CONTROL VALVE CONTROL
SOLENOID VALVE. . . . . . . . . . . . . ..453

Description . . . . . . . . . . . . . . . ...453
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 454
On Board Diagnosis Logic. . . . . . . . . ...454
Possible Cause. . . . . . . . . . . . . . 454
DTC Confirmation Procedure . . . . . . . . ..455
Wiring Diagram . . . . . . . . . . . . . . 457
Diagnostic Procedure . . . . . . . . . . . ..458

DTC P1148 (BANK 1), P1168 (BANK 2) CLOSED
LOOP CONTROL . . . . . . . . . . . . . . 476

On Board Diagnosis Logic. . . . . . . . . ...476
Possible Cause. . . . . . . . . . . . . . 476
DTC Confirmation Procedure . . . . . . . . ..476
Overall Function Check . . . . . . . . . . ...477
Diagnostic Procedure . . . . . . . . . . . ..477

DTC P1165 SWIRL CONTROL VALVE CONTROL
VACUUM CHECK SWITCH. . . . . . . . . . .478

Component Description . . . . . . . . . . ...478

CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 478
On Board Diagnosis Logic. . . . . . . . . ...478
Possible Cause. . . . . . . . . . . . . . 478
DTC Confirmation Procedure . . . . . . . . ..479
Wiring Diagram . . . . . . . . . . . . . . 480
Diagnostic Procedure . . . . . . . . . . . ..481

DTC P1211 ABS/TCS CONTROL UNIT . . . . . .484

Description . . . . . . . . . . . . . . . ...484
On Board Diagnosis Logic. . . . . . . . . ...484
Possible Cause. . . . . . . . . . . . . . 484
DTC Confirmation Procedure . . . . . . . . ..484
Overall Function Check . . . . . . . . . . ...485
Diagnostic Procedure . . . . . . . . . . . ..485

DTC P1212 ABS/TCS COMMUNICATION LINE. . 486

Description . . . . . . . . . . . . . . . ...486
On Board Diagnosis Logic. . . . . . . . . ...486
Possible Cause. . . . . . . . . . . . . . 486
DTC Confirmation Procedure . . . . . . . . ..486
Wiring Diagram . . . . . . . . . . . . . . 487
Diagnostic Procedure . . . . . . . . . . . ..488

DTC P1217 ENGINE OVER TEMPERATURE
(OVERHEAT) . . . . . . . . . . . . . . . ...489

System Description. . . . . . . . . . . . ..489
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 489
On Board Diagnosis Logic. . . . . . . . . ...490
Possible Cause. . . . . . . . . . . . . . 490
Overall Function Check . . . . . . . . . . ...490
Wiring Diagram . . . . . . . . . . . . . . 492
Diagnostic Procedure . . . . . . . . . . . ..494
Main 12 Causes of Overheating. . . . . . . ..505

DTC P1320 IGNITION SIGNAL. . . . . . . . ...506

Component Description . . . . . . . . . . ...506
On Board Diagnosis Logic. . . . . . . . . ...506
Possible Cause. . . . . . . . . . . . . . 506
DTC Confirmation Procedure . . . . . . . . ..506
Wiring Diagram . . . . . . . . . . . . . . 508
Diagnostic Procedure . . . . . . . . . . . .. 511

DTC P1335 CRANKSHAFT POSITION SENSOR
(CKPS) (REF) . . . . . . . . . . . . . . . ..517

Component Description . . . . . . . . . . ...517
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 517
On Board Diagnosis Logic. . . . . . . . . ...517
Possible Cause. . . . . . . . . . . . . . 518
DTC Confirmation Procedure . . . . . . . . ..518
Wiring Diagram . . . . . . . . . . . . . . 519
Diagnostic Procedure . . . . . . . . . . . ..520

DTC P1336 CRANKSHAFT POSITION SENSOR
(CKPS) (POS) (COG) . . . . . . . . . . . . ..523

Component Description . . . . . . . . . . ...523

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CONTENTS

(Cont’d)

EC-5

CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 523
On Board Diagnosis Logic. . . . . . . . . ...523
Possible Cause. . . . . . . . . . . . . . 523
DTC Confirmation Procedure . . . . . . . . ..524
Wiring Diagram . . . . . . . . . . . . . . 525
Diagnostic Procedure . . . . . . . . . . . ..526

DTC P1440 EVAP CONTROL SYSTEM (SMALL
LEAK) (POSITIVE PRESSURE) . . . . . . . . .531

On Board Diagnosis Logic. . . . . . . . . ...531
Possible Cause. . . . . . . . . . . . . . 531
DTC Confirmation Procedure . . . . . . . . ..532
Diagnostic Procedure . . . . . . . . . . . ..532

DTC P1444 EVAP CANISTER PURGE VOLUME
CONTROL SOLENOID VALVE. . . . . . . . ...533

Description . . . . . . . . . . . . . . . ...533
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 533
On Board Diagnosis Logic. . . . . . . . . ...534
Possible Cause. . . . . . . . . . . . . . 534
DTC Confirmation Procedure . . . . . . . . ..534
Wiring Diagram . . . . . . . . . . . . . . 536
Diagnostic Procedure . . . . . . . . . . . ..537

DTC P1446 EVAPORATIVE EMISSION (EVAP)
CANISTER VENT CONTROL VALVE (CLOSE). . .545

Component Description . . . . . . . . . . ...545
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 545
On Board Diagnosis Logic. . . . . . . . . ...545
Possible Cause. . . . . . . . . . . . . . 545
DTC Confirmation Procedure . . . . . . . . ..546
Wiring Diagram . . . . . . . . . . . . . . 547
Diagnostic Procedure . . . . . . . . . . . ..548

DTC P1447 EVAPORATIVE EMISSION (EVAP)
CONTROL SYSTEM PURGE FLOW
MONITORING . . . . . . . . . . . . . . . ..553

System Description. . . . . . . . . . . . ..553
On Board Diagnosis Logic. . . . . . . . . ...553
Possible Cause. . . . . . . . . . . . . . 553
DTC Confirmation Procedure . . . . . . . . ..554
Overall Function Check . . . . . . . . . . ...554
Diagnostic Procedure . . . . . . . . . . . ..556

DTC P1448 EVAPORATIVE EMISSION (EVAP)
CANISTER VENT CONTROL VALVE (OPEN). . ...564

Component Description . . . . . . . . . . ...564
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 564
On Board Diagnosis Logic. . . . . . . . . ...564
Possible Cause. . . . . . . . . . . . . . 564
DTC Confirmation Procedure . . . . . . . . ..565
Overall Function Check . . . . . . . . . . ...566
Wiring Diagram . . . . . . . . . . . . . . 567

Diagnostic Procedure . . . . . . . . . . . ..568

DTC P1464 FUEL LEVEL SENSOR CIRCUIT
(GROUND SIGNAL) . . . . . . . . . . . . . 573

Component Description . . . . . . . . . . ...573
On Board Diagnostic Logic. . . . . . . . . ..573
Possible Cause. . . . . . . . . . . . . . 573
DTC Confirmation Procedure . . . . . . . . ..573
Wiring Diagram . . . . . . . . . . . . . . 574
Diagnostic Procedure . . . . . . . . . . . ..575

DTC P1490 VACUUM CUT VALVE BYPASS
VALVE (CIRCUIT). . . . . . . . . . . . . . 576

Description . . . . . . . . . . . . . . . ...576
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 576
On Board Diagnosis Logic. . . . . . . . . ...576
Possible Cause. . . . . . . . . . . . . . 577
DTC Confirmation Procedure . . . . . . . . ..577
Wiring Diagram . . . . . . . . . . . . . . 578
Diagnostic Procedure . . . . . . . . . . . ..579

DTC P1491 VACUUM CUT VALVE BYPASS
VALVE. . . . . . . . . . . . . . . . . . ..582

Description . . . . . . . . . . . . . . . ...582
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 582
On Board Diagnosis Logic. . . . . . . . . ...582
Possible Cause. . . . . . . . . . . . . . 583
DTC Confirmation Procedure . . . . . . . . ..583
Overall Function Check . . . . . . . . . . ...584
Wiring Diagram . . . . . . . . . . . . . . 585
Diagnostic Procedure . . . . . . . . . . . ..586

DTC P1605 A/T DIAGNOSIS COMMUNICATION
LINE . . . . . . . . . . . . . . . . . . . .594

Component Description . . . . . . . . . . ...594
On Board Diagnosis Logic. . . . . . . . . ...594
Possible Cause. . . . . . . . . . . . . . 594
DTC Confirmation Procedure . . . . . . . . ..594
Wiring Diagram . . . . . . . . . . . . . . 595
Diagnostic Procedure . . . . . . . . . . . ..596

DTC P1706 PARK/NEUTRAL POSITION (PNP)
SWITCH . . . . . . . . . . . . . . . . . ...597

Component Description . . . . . . . . . . ...597
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 597
On Board Diagnosis Logic. . . . . . . . . ...597
Possible Cause. . . . . . . . . . . . . . 597
DTC Confirmation Procedure . . . . . . . . ..597
Overall Function Check . . . . . . . . . . ...598
Wiring Diagram . . . . . . . . . . . . . . 599
Diagnostic Procedure . . . . . . . . . . . ..600

VARIABLE INDUCTION AIR CONTROL SYSTEM
(VIAS). . . . . . . . . . . . . . . . . . ...602

Description . . . . . . . . . . . . . . . ...602

CONTENTS

(Cont’d)

EC-6