Nissan Pathfinder (2006 year). Manual — part 143

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2006 Pathfinder

Component Inspection . . . . . . . . . . . 224
Removal and Installation . . . . . . . . . .. 224

DTC P0128 THERMOSTAT FUNCTION . . . . 225

On Board Diagnosis Logic . . . . . . . . ... 225
DTC Confirmation Procedure . . . . . . . ... 225
Diagnostic Procedure . . . . . . . . . . ... 225
Component Inspection . . . . . . . . . . . 226
Removal and Installation . . . . . . . . . .. 226

DTC P0130, P0150 A/F SENSOR 1 . . . . . ... 227

Component Description . . . . . . . . . . 227
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . ... 227
DTC Confirmation Procedure . . . . . . . ... 227
Overall Function Check . . . . . . . . . . 228
Wiring Diagram . . . . . . . . . . . . . 230
Diagnostic Procedure . . . . . . . . . . ... 233
Removal and Installation . . . . . . . . . .. 236

DTC P0131, P0151 A/F SENSOR 1 . . . . . ... 237

Component Description . . . . . . . . . . 237
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . ... 237
DTC Confirmation Procedure . . . . . . . ... 237
Wiring Diagram . . . . . . . . . . . . . 239
Diagnostic Procedure . . . . . . . . . . ... 242
Removal and Installation . . . . . . . . . .. 245

DTC P0132, P0152 A/F SENSOR 1 . . . . . ... 246

Component Description . . . . . . . . . . 246
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . ... 246
DTC Confirmation Procedure . . . . . . . ... 246
Wiring Diagram . . . . . . . . . . . . . 248
Diagnostic Procedure . . . . . . . . . . ... 251
Removal and Installation . . . . . . . . . .. 254

DTC P0133, P0153 A/F SENSOR 1 . . . . . ... 255

Component Description . . . . . . . . . . 255
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . ... 255
DTC Confirmation Procedure . . . . . . . ... 256
Wiring Diagram . . . . . . . . . . . . . 258
Diagnostic Procedure . . . . . . . . . . ... 261
Removal and Installation . . . . . . . . . .. 266

DTC P0137, P0157 HO2S2 . . . . . . . . . 267

Component Description . . . . . . . . . . 267
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . ... 267
DTC Confirmation Procedure . . . . . . . ... 268
Overall Function Check . . . . . . . . . . 268
Wiring Diagram . . . . . . . . . . . . . 270
Diagnostic Procedure . . . . . . . . . . ... 273
Component Inspection . . . . . . . . . . . 276
Removal and Installation . . . . . . . . . .. 278

DTC P0138, P0158 HO2S2 . . . . . . . . . 279

Component Description . . . . . . . . . . 279
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . . 279
DTC Confirmation Procedure . . . . . . . ... 280
Overall Function Check . . . . . . . . . . 281
Wiring Diagram . . . . . . . . . . . . . . 282
Diagnostic Procedure . . . . . . . . . . ... 285
Component Inspection . . . . . . . . . . .. 290
Removal and Installation . . . . . . . . . .. 292

DTC P0139, P0159 HO2S2 . . . . . . . . . . 293

Component Description . . . . . . . . . . 293
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . . 293
DTC Confirmation Procedure . . . . . . . ... 294
Overall Function Check . . . . . . . . . . 294
Wiring Diagram . . . . . . . . . . . . . . 296
Diagnostic Procedure . . . . . . . . . . ... 299
Component Inspection . . . . . . . . . . .. 302
Removal and Installation . . . . . . . . . .. 304

DTC P0171, P0174 FUEL INJECTION SYSTEM
FUNCTION . . . . . . . . . . . . . . . .. 305

On Board Diagnosis Logic . . . . . . . . . 305
DTC Confirmation Procedure . . . . . . . ... 305
Wiring Diagram . . . . . . . . . . . . . . 307
Diagnostic Procedure . . . . . . . . . . ... 311

DTC P0172, P0175 FUEL INJECTION SYSTEM
FUNCTION . . . . . . . . . . . . . . . .. 317

On Board Diagnosis Logic . . . . . . . . . 317
DTC Confirmation Procedure . . . . . . . ... 317
Wiring Diagram . . . . . . . . . . . . . . 319
Diagnostic Procedure . . . . . . . . . . ... 323

DTC P0181 FTT SENSOR . . . . . . . . . .. 329

Component Description . . . . . . . . . . 329
On Board Diagnosis Logic . . . . . . . . . 329
DTC Confirmation Procedure . . . . . . . ... 329
Wiring Diagram . . . . . . . . . . . . . . 331
Diagnostic Procedure . . . . . . . . . . ... 332
Component Inspection . . . . . . . . . . .. 333
Removal and Installation . . . . . . . . . .. 333

DTC P0182, P0183 FTT SENSOR . . . . . . .. 334

Component Description . . . . . . . . . . 334
On Board Diagnosis Logic . . . . . . . . . 334
DTC Confirmation Procedure . . . . . . . ... 334
Wiring Diagram . . . . . . . . . . . . . . 335
Diagnostic Procedure . . . . . . . . . . ... 336
Component Inspection . . . . . . . . . . .. 337
Removal and Installation . . . . . . . . . .. 337

DTC P0222, P0223 TP SENSOR . . . . . . . 338

Component Description . . . . . . . . . . 338
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . . 338
DTC Confirmation Procedure . . . . . . . ... 339
Wiring Diagram . . . . . . . . . . . . . . 340
Diagnostic Procedure . . . . . . . . . . ... 341
Component Inspection . . . . . . . . . . .. 344
Removal and Installation . . . . . . . . . .. 344

DTC P0300 - P0306 MULTIPLE CYLINDER MIS-
FIRE, NO. 1 - 6 CYLINDER MISFIRE . . . . . . 345

EC-4

2006 Pathfinder

On Board Diagnosis Logic . . . . . . . . . 345
DTC Confirmation Procedure . . . . . . . ... 345
Diagnostic Procedure . . . . . . . . . . ... 346

DTC P0327, P0328, P0332, P0333 KS . . . . ... 354

Component Description . . . . . . . . . . 354
On Board Diagnosis Logic . . . . . . . . . 354
DTC Confirmation Procedure . . . . . . . ... 354
Wiring Diagram . . . . . . . . . . . . . . 355
Diagnostic Procedure . . . . . . . . . . ... 356
Component Inspection . . . . . . . . . . .. 358
Removal and Installation . . . . . . . . . .. 358

DTC P0335 CKP SENSOR (POS) . . . . . . .. 359

Component Description . . . . . . . . . . 359
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . . 359
DTC Confirmation Procedure . . . . . . . ... 359
Wiring Diagram . . . . . . . . . . . . . . 361
Diagnostic Procedure . . . . . . . . . . ... 362
Component Inspection . . . . . . . . . . .. 365
Removal and Installation . . . . . . . . . .. 365

DTC P0340, P0345 CMP SENSOR (PHASE) . . . 366

Component Description . . . . . . . . . . 366
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . . 366
DTC Confirmation Procedure . . . . . . . ... 366
Wiring Diagram . . . . . . . . . . . . . . 368
Diagnostic Procedure . . . . . . . . . . ... 371
Component Inspection . . . . . . . . . . .. 374
Removal and Installation . . . . . . . . . .. 374

DTC P0420, P0430 THREE WAY CATALYST FUNC-
TION . . . . . . . . . . . . . . . . . . 375

On Board Diagnosis Logic . . . . . . . . . 375
DTC Confirmation Procedure . . . . . . . ... 375
Overall Function Check . . . . . . . . . . 376
Diagnostic Procedure . . . . . . . . . . ... 377

DTC P0441 EVAP CONTROL SYSTEM . . . . . 381

System Description . . . . . . . . . . . ... 381
On Board Diagnosis Logic . . . . . . . . . 381
DTC Confirmation Procedure . . . . . . . ... 381
Overall Function Check . . . . . . . . . . 382
Diagnostic Procedure . . . . . . . . . . ... 383

DTC P0442 EVAP CONTROL SYSTEM . . . . . 386

On Board Diagnosis Logic . . . . . . . . . 386
DTC Confirmation Procedure . . . . . . . ... 387
Diagnostic Procedure . . . . . . . . . . ... 388

DTC P0443 EVAP CANISTER PURGE VOLUME
CONTROL SOLENOID VALVE . . . . . . . ... 394

Description . . . . . . . . . . . . . . . 394
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . . 395
DTC Confirmation Procedure . . . . . . . ... 395
Wiring Diagram . . . . . . . . . . . . . . 396
Diagnostic Procedure . . . . . . . . . . ... 398
Component Inspection . . . . . . . . . . .. 401
Removal and Installation . . . . . . . . . .. 401

DTC P0444, P0445 EVAP CANISTER PURGE VOL-

UME CONTROL SOLENOID VALVE . . . . . ..402

Description . . . . . . . . . . . . . . . 402
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . . 403
DTC Confirmation Procedure . . . . . . . . 403
Wiring Diagram . . . . . . . . . . . . . .404
Diagnostic Procedure . . . . . . . . . . . 406
Component Inspection . . . . . . . . . . ..407
Removal and Installation . . . . . . . . . ...408

DTC P0447 EVAP CANISTER VENT CONTROL
VALVE . . . . . . . . . . . . . . . . . ..409

Component Description . . . . . . . . . . 409
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . . 409
DTC Confirmation Procedure . . . . . . . . 410
Wiring Diagram . . . . . . . . . . . . . . 411
Diagnostic Procedure . . . . . . . . . . . 412
Component Inspection . . . . . . . . . . ..414

DTC P0448 EVAP CANISTER VENT CONTROL
VALVE . . . . . . . . . . . . . . . . . ..416

Component Description . . . . . . . . . . 416
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . . 416
DTC Confirmation Procedure . . . . . . . . 417
Wiring Diagram . . . . . . . . . . . . . .418
Diagnostic Procedure . . . . . . . . . . . 419
Component Inspection . . . . . . . . . . ..420

DTC P0451 EVAP CONTROL SYSTEM PRESSURE
SENSOR . . . . . . . . . . . . . . . . ..422

Component Description . . . . . . . . . . 422
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . . 422
DTC Confirmation Procedure . . . . . . . . 423
Diagnostic Procedure . . . . . . . . . . . 423
Component Inspection . . . . . . . . . . ..424

DTC P0452 EVAP CONTROL SYSTEM PRESSURE
SENSOR . . . . . . . . . . . . . . . . ..425

Component Description . . . . . . . . . . 425
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . . 425
DTC Confirmation Procedure . . . . . . . . 426
Wiring Diagram . . . . . . . . . . . . . .427
Diagnostic Procedure . . . . . . . . . . . 428
Component Inspection . . . . . . . . . . ..430

DTC P0453 EVAP CONTROL SYSTEM PRESSURE
SENSOR . . . . . . . . . . . . . . . . ..431

Component Description . . . . . . . . . . 431
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . . 431
DTC Confirmation Procedure . . . . . . . . 432
Wiring Diagram . . . . . . . . . . . . . .433
Diagnostic Procedure . . . . . . . . . . . 434
Component Inspection . . . . . . . . . . ..438

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DTC P0455 EVAP CONTROL SYSTEM . . . . 439

On Board Diagnosis Logic . . . . . . . . ... 439
DTC Confirmation Procedure . . . . . . . ... 440
Diagnostic Procedure . . . . . . . . . . ... 441

DTC P0456 EVAP CONTROL SYSTEM . . . . 446

On Board Diagnosis Logic . . . . . . . . ... 446
DTC Confirmation Procedure . . . . . . . ... 447
Overall Function Check . . . . . . . . . . 448
Diagnostic Procedure . . . . . . . . . . ... 449

DTC P0460 FUEL LEVEL SENSOR . . . . . .. 455

Component Description . . . . . . . . . . 455
On Board Diagnosis Logic . . . . . . . . ... 455
DTC Confirmation Procedure . . . . . . . ... 455
Diagnostic Procedure . . . . . . . . . . ... 456
Removal and Installation . . . . . . . . . .. 456

DTC P0461 FUEL LEVEL SENSOR . . . . . .. 457

Component Description . . . . . . . . . . 457
On Board Diagnosis Logic . . . . . . . . ... 457
Overall Function Check . . . . . . . . . . 457
Diagnostic Procedure . . . . . . . . . . ... 458
Removal and Installation . . . . . . . . . .. 458

DTC P0462, P0463 FUEL LEVEL SENSOR . . .. 459

Component Description . . . . . . . . . . 459
On Board Diagnosis Logic . . . . . . . . ... 459
DTC Confirmation Procedure . . . . . . . ... 459
Diagnostic Procedure . . . . . . . . . . ... 460
Removal and Installation . . . . . . . . . .. 460

DTC P0500 VSS . . . . . . . . . . . . . . 461

Description . . . . . . . . . . . . . . ... 461
On Board Diagnosis Logic . . . . . . . . ... 461
DTC Confirmation Procedure . . . . . . . ... 461
Overall Function Check . . . . . . . . . . 462
Diagnostic Procedure . . . . . . . . . . ... 462

DTC P0506 ISC SYSTEM . . . . . . . . . ... 463

Description . . . . . . . . . . . . . . ... 463
On Board Diagnosis Logic . . . . . . . . ... 463
DTC Confirmation Procedure . . . . . . . ... 463
Diagnostic Procedure . . . . . . . . . . ... 464

DTC P0507 ISC SYSTEM . . . . . . . . . ... 465

Description . . . . . . . . . . . . . . ... 465
On Board Diagnosis Logic . . . . . . . . ... 465
DTC Confirmation Procedure . . . . . . . ... 465
Diagnostic Procedure . . . . . . . . . . ... 466

DTC P0550 PSP SENSOR . . . . . . . . . . 467

Component Description . . . . . . . . . . 467
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . ... 467
DTC Confirmation Procedure . . . . . . . ... 467
Wiring Diagram . . . . . . . . . . . . . 468
Diagnostic Procedure . . . . . . . . . . ... 469
Component Inspection . . . . . . . . . . . 471
Removal and Installation . . . . . . . . . .. 471

DTC P0603 ECM POWER SUPPLY . . . . . ... 472

Component Description . . . . . . . . . . 472
On Board Diagnosis Logic . . . . . . . . ... 472
DTC Confirmation Procedure . . . . . . . ... 472
Wiring Diagram . . . . . . . . . . . . . 473
Diagnostic Procedure . . . . . . . . . . ... 474

DTC P0605 ECM . . . . . . . . . . . . . . 476

Component Description . . . . . . . . . . 476
On Board Diagnosis Logic . . . . . . . . . 476
DTC Confirmation Procedure . . . . . . . ... 476
Diagnostic Procedure . . . . . . . . . . ... 477

DTC P0643 SENSOR POWER SUPPLY . . . . 479

On Board Diagnosis Logic . . . . . . . . . 479
DTC Confirmation Procedure . . . . . . . ... 479
Wiring Diagram . . . . . . . . . . . . . . 480
Diagnostic Procedure . . . . . . . . . . ... 482

DTC P0850 PNP SWITCH . . . . . . . . . .. 485

Component Description . . . . . . . . . . 485
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . . 485
DTC Confirmation Procedure . . . . . . . ... 485
Overall Function Check . . . . . . . . . . 486
Wiring Diagram . . . . . . . . . . . . . . 487
Diagnostic Procedure . . . . . . . . . . ... 488

DTC P1148, P1168 CLOSED LOOP CONTROL . 490

On Board Diagnosis Logic . . . . . . . . . 490

DTC P1211 TCS CONTROL UNIT . . . . . . .. 491

Description . . . . . . . . . . . . . . . 491
On Board Diagnosis Logic . . . . . . . . . 491
DTC Confirmation Procedure . . . . . . . ... 491
Diagnostic Procedure . . . . . . . . . . ... 491

DTC P1212 TCS COMMUNICATION LINE . . . 492

Description . . . . . . . . . . . . . . . 492
On Board Diagnosis Logic . . . . . . . . . 492
DTC Confirmation Procedure . . . . . . . ... 492
Diagnostic Procedure . . . . . . . . . . ... 492

DTC P1217 ENGINE OVER TEMPERATURE . . 493

Description . . . . . . . . . . . . . . . 493
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . . 495
Overall Function Check . . . . . . . . . . 495
Wiring Diagram . . . . . . . . . . . . . . 497
Diagnostic Procedure . . . . . . . . . . ... 499
Main 12 Causes of Overheating . . . . . . ... 501
Component Inspection . . . . . . . . . . .. 502

DTC P1225 TP SENSOR . . . . . . . . . . 503

Component Description . . . . . . . . . . 503
On Board Diagnosis Logic . . . . . . . . . 503
DTC Confirmation Procedure . . . . . . . ... 503
Diagnostic Procedure . . . . . . . . . . ... 504
Removal and Installation . . . . . . . . . .. 504

DTC P1226 TP SENSOR . . . . . . . . . . 505

Component Description . . . . . . . . . . 505
On Board Diagnosis Logic . . . . . . . . . 505
DTC Confirmation Procedure . . . . . . . ... 505
Diagnostic Procedure . . . . . . . . . . ... 506
Removal and Installation . . . . . . . . . .. 506

DTC P1550 BATTERY CURRENT SENSOR . . . 507

Component Description . . . . . . . . . . 507
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . . 507
DTC Confirmation Procedure . . . . . . . ... 507

EC-6

2006 Pathfinder

Wiring Diagram . . . . . . . . . . . . . . 509
Diagnostic Procedure . . . . . . . . . . ... 510
Component Inspection . . . . . . . . . . .. 512

DTC P1551, P1552 BATTERY CURRENT SENSOR .514

Component Description . . . . . . . . . . 514
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . . 514
DTC Confirmation Procedure . . . . . . . ... 514
Wiring Diagram . . . . . . . . . . . . . . 516
Diagnostic Procedure . . . . . . . . . . ... 517
Component Inspection . . . . . . . . . . .. 519

DTC P1553 BATTERY CURRENT SENSOR . . .. 521

Component Description . . . . . . . . . . 521
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . . 521
DTC Confirmation Procedure . . . . . . . ... 521
Wiring Diagram . . . . . . . . . . . . . . 523
Diagnostic Procedure . . . . . . . . . . ... 524
Component Inspection . . . . . . . . . . .. 526

DTC P1554 BATTERY CURRENT SENSOR . . .. 528

Component Description . . . . . . . . . . 528
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . . 528
Overall Function Check . . . . . . . . . . 528
Wiring Diagram . . . . . . . . . . . . . . 530
Diagnostic Procedure . . . . . . . . . . ... 531
Component Inspection . . . . . . . . . . .. 533

DTC P1564 ASCD STEERING SWITCH . . . . 535

Component Description . . . . . . . . . . 535
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . . 535
DTC Confirmation Procedure . . . . . . . ... 536
Wiring Diagram . . . . . . . . . . . . . . 537
Diagnostic Procedure . . . . . . . . . . ... 538
Component Inspection . . . . . . . . . . .. 541

DTC P1572 ASCD BRAKE SWITCH . . . . . .. 542

Component Description . . . . . . . . . . 542
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . . 542
DTC Confirmation Procedure . . . . . . . ... 543
Wiring Diagram . . . . . . . . . . . . . . 544
Diagnostic Procedure . . . . . . . . . . ... 545
Component Inspection . . . . . . . . . . .. 549

DTC P1574 ASCD VEHICLE SPEED SENSOR . . 550

Component Description . . . . . . . . . . 550
On Board Diagnosis Logic . . . . . . . . . 550
DTC Confirmation Procedure . . . . . . . ... 550
Diagnostic Procedure . . . . . . . . . . ... 551

DTC P1715 INPUT SPEED SENSOR (TURBINE
REVOLUTION SENSOR) . . . . . . . . . . 552

Description . . . . . . . . . . . . . . . 552
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . . 552
Diagnostic Procedure . . . . . . . . . . . 552

DTC P1800 VIAS CONTROL SOLENOID VALVE ..553

Component Description . . . . . . . . . . 553
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . . 553
DTC Confirmation Procedure . . . . . . . . 553
Wiring Diagram . . . . . . . . . . . . . .554
Diagnostic Procedure . . . . . . . . . . . 555
Component Inspection . . . . . . . . . . ..556
Removal and Installation . . . . . . . . . ...557

DTC P1805 BRAKE SWITCH . . . . . . . . .558

Description . . . . . . . . . . . . . . . 558
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . . 558
DTC Confirmation Procedure . . . . . . . . 558
Wiring Diagram . . . . . . . . . . . . . .559
Diagnostic Procedure . . . . . . . . . . . 560
Component Inspection . . . . . . . . . . ..562

DTC P2100, P2103 THROTTLE CONTROL MOTOR
RELAY . . . . . . . . . . . . . . . . . .563

Component Description . . . . . . . . . . 563
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . . 563
DTC Confirmation Procedure . . . . . . . . 563
Wiring Diagram . . . . . . . . . . . . . .565
Diagnostic Procedure . . . . . . . . . . . 566

DTC P2101 ELECTRIC THROTTLE CONTROL
FUNCTION . . . . . . . . . . . . . . . ..569

Description . . . . . . . . . . . . . . . 569
On Board Diagnosis Logic . . . . . . . . . 569
DTC Confirmation Procedure . . . . . . . . 569
Wiring Diagram . . . . . . . . . . . . . .570
Diagnostic Procedure . . . . . . . . . . . 571
Component Inspection . . . . . . . . . . ..574
Removal and Installation . . . . . . . . . ...574

DTC P2118 THROTTLE CONTROL MOTOR . . .575

Component Description . . . . . . . . . . 575
On Board Diagnosis Logic . . . . . . . . . 575
DTC Confirmation Procedure . . . . . . . . 575
Wiring Diagram . . . . . . . . . . . . . .576
Diagnostic Procedure . . . . . . . . . . . 577
Component Inspection . . . . . . . . . . ..578
Removal and Installation . . . . . . . . . ...579

DTC P2119 ELECTRIC THROTTLE CONTROL
ACTUATOR . . . . . . . . . . . . . . . .580

Component Description . . . . . . . . . . 580
On Board Diagnosis Logic . . . . . . . . . 580
DTC Confirmation Procedure . . . . . . . . 580
Diagnostic Procedure . . . . . . . . . . . 581

DTC P2122, P2123 APP SENSOR . . . . . . .582

Component Description . . . . . . . . . . 582
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . . 582
DTC Confirmation Procedure . . . . . . . . 583

EC-7

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Wiring Diagram . . . . . . . . . . . . . 584
Diagnostic Procedure . . . . . . . . . . ... 585
Component Inspection . . . . . . . . . . . 587
Removal and Installation . . . . . . . . . .. 587

DTC P2127, P2128 APP SENSOR . . . . . . 588

Component Description . . . . . . . . . . 588
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . ... 588
DTC Confirmation Procedure . . . . . . . ... 589
Wiring Diagram . . . . . . . . . . . . . 590
Diagnostic Procedure . . . . . . . . . . ... 591
Component Inspection . . . . . . . . . . . 594
Removal and Installation . . . . . . . . . .. 594

DTC P2135 TP SENSOR . . . . . . . . . . 595

Component Description . . . . . . . . . . 595
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . ... 595
DTC Confirmation Procedure . . . . . . . ... 596
Wiring Diagram . . . . . . . . . . . . . 597
Diagnostic Procedure . . . . . . . . . . ... 598
Component Inspection . . . . . . . . . . . 601
Removal and Installation . . . . . . . . . .. 601

DTC P2138 APP SENSOR . . . . . . . . . . 602

Component Description . . . . . . . . . . 602
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . ... 602
DTC Confirmation Procedure . . . . . . . ... 603
Wiring Diagram . . . . . . . . . . . . . 604
Diagnostic Procedure . . . . . . . . . . ... 605
Component Inspection . . . . . . . . . . . 608
Removal and Installation . . . . . . . . . .. 608

DTC P2A00, P2A03 A/F SENSOR 1 . . . . . .. 609

Component Description . . . . . . . . . . 609
CONSULT-II Reference Value in Data Monitor Mode

On Board Diagnosis Logic . . . . . . . . ... 609
DTC Confirmation Procedure . . . . . . . ... 609
Wiring Diagram . . . . . . . . . . . . . .611
Diagnostic Procedure . . . . . . . . . . ... 614
Removal and Installation . . . . . . . . . .. 620

ASCD BRAKE SWITCH . . . . . . . . . . . 621

Component Description . . . . . . . . . . 621
CONSULT-II Reference Value in Data Monitor Mode

Wiring Diagram . . . . . . . . . . . . . 622
Diagnostic Procedure . . . . . . . . . . ... 623
Component Inspection . . . . . . . . . . . 627

ASCD INDICATOR . . . . . . . . . . . . . 628

Component Description . . . . . . . . . . 628
CONSULT-II Reference Value in Data Monitor Mode

Wiring Diagram . . . . . . . . . . . . . 629
Diagnostic Procedure . . . . . . . . . . ... 630

ELECTRICAL LOAD SIGNAL . . . . . . . . 631

Description . . . . . . . . . . . . . . . 631
CONSULT-II Reference Value in Data Monitor Mode

Diagnostic Procedure . . . . . . . . . . ... 631

FUEL INJECTOR . . . . . . . . . . . . . 633

Component Description . . . . . . . . . . 633
CONSULT-II Reference Value in Data Monitor Mode

Wiring Diagram . . . . . . . . . . . . . . 634
Diagnostic Procedure . . . . . . . . . . ... 635
Component Inspection . . . . . . . . . . .. 639
Removal and Installation . . . . . . . . . .. 639

FUEL PUMP . . . . . . . . . . . . . . . 640

Description . . . . . . . . . . . . . . . 640
CONSULT-II Reference Value in Data Monitor Mode

Wiring Diagram . . . . . . . . . . . . . . 641
Diagnostic Procedure . . . . . . . . . . ... 642
Component Inspection . . . . . . . . . . .. 644
Removal and Installation . . . . . . . . . .. 645

IGNITION SIGNAL . . . . . . . . . . . . .. 646

Component Description . . . . . . . . . . 646
Wiring Diagram . . . . . . . . . . . . . . 647
Diagnostic Procedure . . . . . . . . . . ... 652
Component Inspection . . . . . . . . . . .. 657
Removal and Installation . . . . . . . . . .. 658

REFRIGERANT PRESSURE SENSOR . . . . .. 659

Component Description . . . . . . . . . . 659
Wiring Diagram . . . . . . . . . . . . . . 660
Diagnostic Procedure . . . . . . . . . . ... 661
Removal and Installation . . . . . . . . . .. 663

VIAS . . . . . . . . . . . . . . . . . . 664

Description . . . . . . . . . . . . . . . 664
CONSULT-II Reference Value in Data Monitor Mode

Wiring Diagram . . . . . . . . . . . . . . 666
Diagnostic Procedure . . . . . . . . . . ... 668
Component Inspection . . . . . . . . . . .. 671
Removal and Installation . . . . . . . . . .. 672

MIL AND DATA LINK CONNECTOR . . . . . .. 673

Wiring Diagram . . . . . . . . . . . . . . 673

SERVICE DATA AND SPECIFICATIONS (SDS) . 675

Fuel Pressure . . . . . . . . . . . . . ... 675
Idle Speed and Ignition Timing . . . . . . . . 675
Calculated Load Value . . . . . . . . . . .. 675
Mass Air Flow Sensor . . . . . . . . . . ... 675
Intake Air Temperature Sensor . . . . . . . . 675
Engine Coolant Temperature Sensor . . . . ... 675
Air Fuel Ratio (A/F) Sensor 1 Heater . . . . . 675
Heated Oxygen sensor 2 Heater . . . . . . .. 675
Crankshaft Position Sensor (POS) . . . . . ... 675
Camshaft Position Sensor (PHASE) . . . . . 675
Throttle Control Motor . . . . . . . . . . ... 675
Fuel Injector . . . . . . . . . . . . . . .. 676
Fuel Pump . . . . . . . . . . . . . . . 676

EC-8

INDEX FOR DTC

2006 Pathfinder

INDEX FOR DTC

PFP:00024

DTC No. Index

UBS00K2Z

NOTE:

●

If DTC U1000 or U1001 is displayed with other DTC, first perform the trouble diagnosis for DTC
U1000, U1001. Refer to

EC-153, "DTC U1000, U1001 CAN COMMUNICATION LINE"

●

If DTC U1010 is displayed with other DTC, first perform the trouble diagnosis for DTC U1010. Refer
to

EC-156, "DTC U1010 CAN COMMUNICATION"

.

DTC*

1

Items

(CONSULT-II screen terms)

Reference page

CONSULT-II

GST*

2

ECM*

3

U1000

1000*

4

CAN COMM CIRCUIT

U1001

1001*

4

CAN COMM CIRCUIT

U1010

1010

CONTOROL UNIT (CAN)

P0000

0000

NO DTC IS DETECTED.
FURTHER TESTING
MAY BE REQUIRED.

—

P0011

0011

INT/V TIM CONT-B1

P0021

0021

INT/V TIM CONT-B2

P0031

0031

A/F SEN1 HTR (B1)

P0032

0032

A/F SEN1 HTR (B1)

P0037

0037

HO2S2 HTR (B1)

P0038

0038

HO2S2 HTR (B1)

P0051

0051

A/F SEN1 HTR (B2)

P0052

0052

A/F SEN1 HTR (B2)

P0057

0057

HO2S2 HTR (B2)

P0058

0058

HO2S2 HTR (B2)

P0075

0075

INT/V TIM V/CIR-B1

P0081

0081

INT/V TIM V/CIR-B2

P0101

0101

MAF SEN/CIRCUIT

P0102

0102

MAF SEN/CIRCUIT

P0103

0103

MAF SEN/CIRCUIT

P0112

0112

IAT SEN/CIRCUIT

P0113

0113

IAT SEN/CIRCUIT

P0117

0117

ECT SEN/CIRC

P0118

0118

ECT SEN/CIRC

P0122

0122

TP SEN 2/CIRC

P0123

0123

TP SEN 2/CIRC

P0125

0125

ECT SENSOR

P0127

0127

IAT SENSOR

P0128

0128

THERMSTAT FNCTN

P0130

0130

A/F SEN1 (B1)

P0131

0131

A/F SEN1 (B1)

P0132

0132

A/F SEN1 (B1)

P0133

0133

A/F SEN1 (B1)

P0137

0137

HO2S2 (B1)

P0138

0138

HO2S2 (B1)

INDEX FOR DTC

EC-9

C

D

E

F

G

H

I

J

K

L

M

A

EC

2006 Pathfinder

P0139

0139

HO2S2 (B1)

P0150

0150

A/F SEN1 (B2)

P0151

0151

A/F SEN1 (B2)

P0152

0152

A/F SEN1 (B2)

P0153

0153

A/F SEN1 (B2)

P0157

0157

HO2S2 (B2)

P0158

0158

HO2S2 (B2)

P0159

0159

HO2S2 (B2)

P0171

0171

FUEL SYS-LEAN-B1

P0172

0172

FUEL SYS-RICH-B1

P0174

0174

FUEL SYS-LEAN-B2

P0175

0175

FUEL SYS-RICH-B2

P0181

0181

FTT SENSOR

P0182

0182

FTT SEN/CIRCUIT

P0183

0183

FTT SEN/CIRCUIT

P0222

0222

TP SEN 1/CIRC

P0223

0223

TP SEN 1/CIRC

P0300

0300

MULTI CYL MISFIRE

P0301

0301

CYL 1 MISFIRE

P0302

0302

CYL 2 MISFIRE

P0303

0303

CYL 3 MISFIRE

P0304

0304

CYL 4 MISFIRE

P0305

0305

CYL 5 MISFIRE

P0306

0306

CYL 6 MISFIRE

P0327

0327

KNOCK SEN/CIRC-B1

P0328

0328

KNOCK SEN/CIRC-B1

P0332

0332

KNOCK SEN/CIRC-B2

P0333

0333

KNOCK SEN/CIRC-B2

P0335

0335

CKP SEN/CIRCUIT

P0340

0340

CMP SEN/CIRC-B1

P0345

0345

CMP SEN/CIRC-B2

P0420

0420

TW CATALYST SYS-B1

P0430

0430

TW CATALYST SYS-B2

P0441

0441

EVAP PURG FLOW/MON

P0442

0442

EVAP SMALL LEAK

P0443

0443

PURG VOLUME CONT/V

P0444

0444

PURG VOLUME CONT/V

P0445

0445

PURG VOLUME CONT/V

P0447

0447

VENT CONTROL VALVE

P0448

0448

VENT CONTROL VALVE

P0451

0451

EVAP SYS PRES SEN

P0452

0452

EVAP SYS PRES SEN

DTC*

1

Items

(CONSULT-II screen terms)

Reference page

CONSULT-II

GST*

2

ECM*

3

EC-10

INDEX FOR DTC

2006 Pathfinder

P0453

0453

EVAP SYS PRES SEN

P0455

0455

EVAP GROSS LEAK

P0456

0456

EVAP VERY SML LEAK

P0460

0460

FUEL LEV SEN SLOSH

P0461

0461

FUEL LEVEL SENSOR

P0462

0462

FUEL LEVL SEN/CIRC

P0463

0463

FUEL LEVL SEN/CIRC

P0500

0500

VEH SPEED SEN/CIRC*

5

P0506

0506

ISC SYSTEM

P0507

0507

ISC SYSTEM

P0550

0550

PW ST P SEN/CIRC

P0603

0603

ECM BACK UP/CIRCUIT

P0605

0605

ECM

P0643

0643

SENSOR POWER/CIRC

P0700

0700

TCM

P0705

0705

PNP SW/CIRC

P0710

0710

ATF TEMP SEN/CIRC

P0717

0717

TURBINE SENSOR

P0720

0720

VEH SPD SEN/CIR AT*

5

P0740

0740

TCC SOLENOID/CIRC

P0744

0744

A/T TCC S/V FNCTN

P0745

0745

L/PRESS SOL/CIRC

P0850

0850

P-N POS SW/CIRCUIT

P1148

1148

CLOSED LOOP-B1

P1168

1168

CLOSED LOOP-B2

P1211

1211

TCS C/U FUNCTN

P1212

1212

TCS/CIRC

P1217

1217

ENG OVER TEMP

P1225

1225

CTP LEARNING

P1226

1226

CTP LEARNING

P1550

1550

BAT CURRENT SENSOR

P1551

1551

BAT CURRENT SENSOR

P1552

1552

BAT CURRENT SENSOR

P1553

1553

BAT CURRENT SENSOR

P1554

1554

BAT CURRENT SENSOR

P1564

1564

ASCD SW

P1572

1572

ASCD BRAKE SW

P1574

1574

ASCD VHL SPD SEN

P1610 - P1615

1610 - 1615

NATS MALFUNCTION

P1715

1715

IN PLUY SPEED

P1730

1730

A/T INTERLOCK

P1752

1752

I/C SOLENOID/CIRC

DTC*

1

Items

(CONSULT-II screen terms)

Reference page

CONSULT-II

GST*

2

ECM*

3

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