Infiniti I35 (A33). Manual — part 166

On Board Diagnosis Logic. . . . . . . . . ...448
DTC Confirmation Procedure . . . . . . . . ..448
Wiring Diagram . . . . . . . . . . . . . . 449
Diagnostic Procedure . . . . . . . . . . . ..450

DTC P1102 MAF SENSOR . . . . . . . . . . .452

Component Description . . . . . . . . . . ...452
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 452
On Board Diagnosis Logic. . . . . . . . . ...452
DTC Confirmation Procedure . . . . . . . . ..452
Wiring Diagram . . . . . . . . . . . . . . 454
Diagnostic Procedure . . . . . . . . . . . ..455

DTC P1121 ELECTRIC THROTTLE CONTROL
ACTUATOR . . . . . . . . . . . . . . . . .458

Component Description . . . . . . . . . . ...458
On Board Diagnosis Logic. . . . . . . . . ...458
DTC Confirmation Procedure . . . . . . . . ..458
Diagnostic Procedure . . . . . . . . . . . ..459

DTC P1122 ELECTRIC THROTTLE CONTROL
FUNCTION . . . . . . . . . . . . . . . . ...460

Description . . . . . . . . . . . . . . . ...460
On Board Diagnosis Logic. . . . . . . . . ...460
DTC Confirmation Procedure . . . . . . . . ..460
Wiring Diagram . . . . . . . . . . . . . . 462
Diagnostic Procedure . . . . . . . . . . . ..463
Component Inspection. . . . . . . . . . . .467

DTC P1124, P1126 THROTTLE CONTROL
MOTOR RELAY. . . . . . . . . . . . . . ...468

Component Description . . . . . . . . . . ...468
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 468
On Board Diagnosis Logic. . . . . . . . . ...468
DTC Confirmation Procedure . . . . . . . . ..468
Wiring Diagram . . . . . . . . . . . . . . 470
Diagnostic Procedure . . . . . . . . . . . ..471
Component Inspection. . . . . . . . . . . .473

DTC P1128 THROTTLE CONTROL MOTOR. . . .474

Component Description . . . . . . . . . . ...474
On Board Diagnosis Logic. . . . . . . . . ...474
DTC Confirmation Procedure . . . . . . . . ..474
Wiring Diagram . . . . . . . . . . . . . . 475
Diagnostic Procedure . . . . . . . . . . . ..476
Component Inspection. . . . . . . . . . . .478

DTC P1143, P1163 HO2S1 . . . . . . . . . . .479

Component Description . . . . . . . . . . ...479
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 479
On Board Diagnosis Logic. . . . . . . . . ...479
DTC Confirmation Procedure . . . . . . . . ..480
Overall Function Check . . . . . . . . . . ...481
Diagnostic Procedure . . . . . . . . . . . ..481

DTC P1144, P1164 HO2S1 . . . . . . . . . . .486

Component Description . . . . . . . . . . ...486
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 486
On Board Diagnosis Logic. . . . . . . . . ...486
DTC Confirmation Procedure . . . . . . . . ..487
Overall Function Check . . . . . . . . . . ...488
Diagnostic Procedure . . . . . . . . . . . ..488

DTC P1146, P1166 HO2S2 . . . . . . . . . . .493

Component Description . . . . . . . . . . ...493
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 493
On Board Diagnosis Logic. . . . . . . . . ...493
DTC Confirmation Procedure . . . . . . . . ..494
Overall Function Check . . . . . . . . . . ...494
Wiring Diagram . . . . . . . . . . . . . . 496
Diagnostic Procedure . . . . . . . . . . . ..498

DTC P1147, P1167 HO2S2 . . . . . . . . . . .502

Component Description . . . . . . . . . . ...502
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 502
On Board Diagnosis Logic. . . . . . . . . ...502
DTC Confirmation Procedure . . . . . . . . ..503
Overall Function Check . . . . . . . . . . ...503
Wiring Diagram . . . . . . . . . . . . . . 505
Diagnostic Procedure . . . . . . . . . . . ..507

DTC P1148, P1168 CLOSED LOOP CONTROL. . 511

On Board Diagnosis Logic. . . . . . . . . ... 511
DTC Confirmation Procedure . . . . . . . . .. 511
Overall Function Check . . . . . . . . . . ...512
Diagnostic Procedure . . . . . . . . . . . ..512

DTC P1211 VDC/TCS/ABS CONTROL UNIT. . . .513

Description . . . . . . . . . . . . . . . ...513
On Board Diagnosis Logic. . . . . . . . . ...513
DTC Confirmation Procedure . . . . . . . . ..513
Diagnostic Procedure . . . . . . . . . . . ..514

DTC P1212 VDC/TCS/ABS COMMUNICATION
LINE . . . . . . . . . . . . . . . . . . . .515

Description . . . . . . . . . . . . . . . ...515
On Board Diagnosis Logic. . . . . . . . . ...515
DTC Confirmation Procedure . . . . . . . . ..515
Diagnostic Procedure . . . . . . . . . . . ..516

DTC P1217 ENGINE OVER TEMPERATURE. . . 517

System Description. . . . . . . . . . . . ..517
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 517
On Board Diagnosis Logic. . . . . . . . . ...518
Overall Function Check . . . . . . . . . . ...519
Wiring Diagram . . . . . . . . . . . . . . 521
Diagnostic Procedure . . . . . . . . . . . ..523
Main 12 Causes of Overheating. . . . . . . ..534

DTC P1225 TP SENSOR . . . . . . . . . . . 535

Component Description . . . . . . . . . . ...535

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(Cont’d)

EC-5

On Board Diagnosis Logic. . . . . . . . . ...535
DTC Confirmation Procedure . . . . . . . . ..535
Diagnostic Procedure . . . . . . . . . . . ..536

DTC P1226 TP SENSOR . . . . . . . . . . . 537

Component Description . . . . . . . . . . ...537
On Board Diagnosis Logic. . . . . . . . . ...537
DTC Confirmation Procedure . . . . . . . . ..537
Diagnostic Procedure . . . . . . . . . . . ..538

DTC P1229 SENSOR POWER SUPPLY. . . . . 539

On Board Diagnosis Logic. . . . . . . . . ...539
DTC Confirmation Procedure . . . . . . . . ..539
Wiring Diagram . . . . . . . . . . . . . . 541
Diagnostic Procedure . . . . . . . . . . . ..542

DTC P1444 EVAP CANISTER PURGE VOLUME
CONTROL SOLENOID VALVE. . . . . . . . ...545

Description . . . . . . . . . . . . . . . ...545
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 545
On Board Diagnosis Logic. . . . . . . . . ...546
DTC Confirmation Procedure . . . . . . . . ..546
Wiring Diagram . . . . . . . . . . . . . . 548
Diagnostic Procedure . . . . . . . . . . . ..550

DTC P1446 EVAP CANISTER VENT CONTROL
VALVE. . . . . . . . . . . . . . . . . . ..558

Component Description . . . . . . . . . . ...558
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 558
On Board Diagnosis Logic. . . . . . . . . ...558
DTC Confirmation Procedure . . . . . . . . ..558
Wiring Diagram . . . . . . . . . . . . . . 560
Diagnostic Procedure . . . . . . . . . . . ..561

DTC P1448 EVAP CANISTER VENT CONTROL
VALVE. . . . . . . . . . . . . . . . . . ..566

Component Description . . . . . . . . . . ...566
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 566
On Board Diagnosis Logic. . . . . . . . . ...566
DTC Confirmation Procedure . . . . . . . . ..566
Overall Function Check . . . . . . . . . . ...568
Wiring Diagram . . . . . . . . . . . . . . 569
Diagnostic Procedure . . . . . . . . . . . ..570

DTC P1456 EVAP CONTROL SYSTEM . . . . . .575

On Board Diagnosis Logic. . . . . . . . . ...575
DTC Confirmation Procedure . . . . . . . . ..576
Overall Function Check . . . . . . . . . . ...577
Diagnostic Procedure . . . . . . . . . . . ..578

DTC P1464 FUEL LEVEL SENSOR. . . . . . ...591

Component Description . . . . . . . . . . ...591
On Board Diagnostic Logic. . . . . . . . . ..591
DTC Confirmation Procedure . . . . . . . . ..591
Wiring Diagram . . . . . . . . . . . . . . 592
Diagnostic Procedure . . . . . . . . . . . ..593

DTC P1490 VACUUM CUT VALVE BYPASS
VALVE. . . . . . . . . . . . . . . . . . ..594

Description . . . . . . . . . . . . . . . ...594
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 594
On Board Diagnosis Logic. . . . . . . . . ...594
DTC Confirmation Procedure . . . . . . . . ..595
Wiring Diagram . . . . . . . . . . . . . . 596
Diagnostic Procedure . . . . . . . . . . . ..597

DTC P1491 VACUUM CUT VALVE BYPASS
VALVE. . . . . . . . . . . . . . . . . . ..600

Description . . . . . . . . . . . . . . . ...600
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 600
On Board Diagnosis Logic. . . . . . . . . ...601
DTC Confirmation Procedure . . . . . . . . ..601
Overall Function Check . . . . . . . . . . ...602
Wiring Diagram . . . . . . . . . . . . . . 603
Diagnostic Procedure . . . . . . . . . . . ..604

DTC P1564 ASCD STEERING SWITCH . . . . . 612

Component Description . . . . . . . . . . ...612
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 612
On Board Diagnosis Procedure. . . . . . . ...612
DTC Confirmation Procedure . . . . . . . . ..613
Wiring Diagram . . . . . . . . . . . . . . 614
Diagnostic Procedure . . . . . . . . . . . ..615
Component Inspection. . . . . . . . . . . .618

DTC P1572 ASCD BRAKE SWITCH . . . . . . ..619

Component Description . . . . . . . . . . ...619
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 619
On Board Diagnosis Procedure. . . . . . . ...619
DTC Confirmation Procedure . . . . . . . . ..620
Wiring Diagram . . . . . . . . . . . . . . 621
Diagnostic Procedure . . . . . . . . . . . ..623
Component Inspection. . . . . . . . . . . .628

DTC P1574 ASCD VEHICLE SPEED SENSOR. . .629

Component Description . . . . . . . . . . ...629
On Board Diagnosis Procedure. . . . . . . ...629
DTC Confirmation Procedure . . . . . . . . ..629
Wiring Diagram . . . . . . . . . . . . . . 631
Diagnostic Procedure . . . . . . . . . . . ..632

DTC P1706 PNP SWITCH. . . . . . . . . . ...634

Component Description . . . . . . . . . . ...634
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 634
On Board Diagnosis Logic. . . . . . . . . ...634
DTC Confirmation Procedure . . . . . . . . ..634
Overall Function Check . . . . . . . . . . ...635
Wiring Diagram . . . . . . . . . . . . . . 636
Diagnostic Procedure . . . . . . . . . . . ..637

CONTENTS

(Cont’d)

EC-6

DTC P1800 VIAS CONTROL SOLENOID VALVE . .639

Component Description . . . . . . . . . . ...639
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 639
On Board Diagnosis Logic. . . . . . . . . ...639
DTC Confirmation Procedure . . . . . . . . ..639
Wiring Diagram . . . . . . . . . . . . . . 641
Diagnostic Procedure . . . . . . . . . . . ..642

DTC P1805 BRAKE SWITCH . . . . . . . . . .644

Description . . . . . . . . . . . . . . . ...644
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 644
On Board Diagnosis Logic. . . . . . . . . ...644
DTC Confirmation Procedure . . . . . . . . ..644
Wiring Diagram . . . . . . . . . . . . . . 645
Diagnostic Procedure . . . . . . . . . . . ..646
Component Inspection. . . . . . . . . . . .649

DTC P2122, P2123 APP SENSOR . . . . . . . .650

Component Description . . . . . . . . . . ...650
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 650
On Board Diagnosis Logic. . . . . . . . . ...650
DTC Confirmation Procedure . . . . . . . . ..651
Wiring Diagram . . . . . . . . . . . . . . 652
Diagnostic Procedure . . . . . . . . . . . ..653
Component Inspection. . . . . . . . . . . .656

DTC P2127, P2128 APP SENSOR . . . . . . . .657

Component Description . . . . . . . . . . ...657
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 657
On Board Diagnosis Logic. . . . . . . . . ...657
DTC Confirmation Procedure . . . . . . . . ..658
Wiring Diagram . . . . . . . . . . . . . . 659
Diagnostic Procedure . . . . . . . . . . . ..660
Component Inspection. . . . . . . . . . . .662

DTC P2135 TP SENSOR . . . . . . . . . . . 664

Component Description . . . . . . . . . . ...664
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 664
On Board Diagnosis Logic. . . . . . . . . ...664
DTC Confirmation Procedure . . . . . . . . ..665
Wiring Diagram . . . . . . . . . . . . . . 666
Diagnostic Procedure . . . . . . . . . . . ..667
Component Inspection. . . . . . . . . . . .669

DTC P2138 APP SENSOR. . . . . . . . . . ..670

Component Description . . . . . . . . . . ...670
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 670
On Board Diagnosis Logic. . . . . . . . . ...670
DTC Confirmation Procedure . . . . . . . . ..671
Wiring Diagram . . . . . . . . . . . . . . 672
Diagnostic Procedure . . . . . . . . . . . ..673

Component Inspection. . . . . . . . . . . .675

VARIABLE INDUCTION AIR CONTROL SYSTEM
(VIAS). . . . . . . . . . . . . . . . . . ...677

Description . . . . . . . . . . . . . . . ...677
Wiring Diagram . . . . . . . . . . . . . . 679
Diagnostic Procedure . . . . . . . . . . . ..680

IGNITION SIGNAL. . . . . . . . . . . . . ...685

Component Description . . . . . . . . . . ...685
Wiring Diagram . . . . . . . . . . . . . . 686
Diagnostic Procedure . . . . . . . . . . . ..689

INJECTOR . . . . . . . . . . . . . . . . ...696

Component Description . . . . . . . . . . ...696
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 696
Wiring Diagram . . . . . . . . . . . . . . 697
Diagnostic Procedure . . . . . . . . . . . ..698

START SIGNAL. . . . . . . . . . . . . . ...702

CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 702
Wiring Diagram . . . . . . . . . . . . . . 703
Diagnostic Procedure . . . . . . . . . . . ..704

FUEL PUMP. . . . . . . . . . . . . . . . .706

System Description. . . . . . . . . . . . ..706
Component Description . . . . . . . . . . ...706
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 706
Wiring Diagram . . . . . . . . . . . . . . 707
Diagnostic Procedure . . . . . . . . . . . ..708

ELECTRONIC CONTROLLED ENGINE MOUNT. ...713

System Description. . . . . . . . . . . . ..713
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 713
Wiring Diagram . . . . . . . . . . . . . . 714
Diagnostic Procedure . . . . . . . . . . . ..715

REFRIGERANT PRESSURE SENSOR . . . . . ..717

Description . . . . . . . . . . . . . . . ...717
Wiring Diagram . . . . . . . . . . . . . . 718
Diagnostic Procedure . . . . . . . . . . . ..719

ASCD BRAKE SWITCH . . . . . . . . . . . ..722

Component Description . . . . . . . . . . ...722
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 722
Wiring Diagram . . . . . . . . . . . . . . 723
Diagnostic Procedure . . . . . . . . . . . ..725

ASCD INDICATOR LAMP. . . . . . . . . . ...730

Component Description . . . . . . . . . . ...730
CONSULT-II Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . . 730
Wiring Diagram . . . . . . . . . . . . . . 731
Diagnostic Procedure . . . . . . . . . . . ..732

ELECTRICAL LOAD SIGNAL. . . . . . . . . .733

Wiring Diagram . . . . . . . . . . . . . . 733

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CONTENTS

(Cont’d)

EC-7

Diagnostic Procedure . . . . . . . . . . . ..735

DATA LINK CONNECTORS . . . . . . . . . ...738

Wiring Diagram . . . . . . . . . . . . . . 738

SERVICE DATA AND SPECIFICATIONS (SDS) . ...739

Fuel Pressure Regulator. . . . . . . . . . ..739
Idle Speed and Ignition Timing. . . . . . . . 739
Mass Air Flow Sensor. . . . . . . . . . . ..739
Engine Coolant Temperature Sensor . . . . . ..739
Heated Oxygen Sensor 1 Heater . . . . . . . 739

Fuel Pump . . . . . . . . . . . . . . . ...739
Injector . . . . . . . . . . . . . . . . . .739
Calculated Load Value. . . . . . . . . . . .739
Intake Air Temperature Sensor. . . . . . . . 739
Heated Oxygen Sensor 2 Heater . . . . . . . 739
Fuel Tank Temperature Sensor . . . . . . . ...740
Throttle Control Motor. . . . . . . . . . . ..740
Crankshaft Position Sensor (POS). . . . . . ..740
Camshaft Position Sensor (PHASE) . . . . . ...740

CONTENTS

(Cont’d)

EC-8