Nissan Frontier. Manual — part 359

EC-7

C

D

E

F

G

H

I

J

K

L

M

EC

A

N

O

P

Diagnosis Procedure . . . . . . . . . . . .

442

Component Inspection . . . . . . . . . . ..

444

IGNITION SIGNAL . . . . . . . . . . ...

446

Component Description . . . . . . . . . . .

446

Diagnosis Procedure . . . . . . . . . . . .

446

Component Inspection . . . . . . . . . . ..

449

ON BOARD REFUELING VAPOR RECOV-
ERY (ORVR) . . . . . . . . . . . . . .

451

System Description . . . . . . . . . . . ...

451

Diagnosis Procedure . . . . . . . . . . . .

451

Component Inspection . . . . . . . . . . ..

453

POSITIVE CRANKCASE VENTILATION . .

456

Description . . . . . . . . . . . . . . .

456

Component Inspection . . . . . . . . . . ..

456

REFRIGERANT PRESSURE SENSOR . . ...

458

Component Description . . . . . . . . . . .

458

Diagnosis Procedure . . . . . . . . . . . .

458

SYMPTOM DIAGNOSIS . . . . . . .

461

ENGINE CONTROL SYSTEM SYMPTOMS .

461

Symptom Matrix Chart . . . . . . . . . . ..

461

NORMAL OPERATING CONDITION . . . ...

465

Fuel Cut Control (at No Load and High Engine
Speed) . . . . . . . . . . . . . . . . ...

465

PERIODIC MAINTENANCE . . . . . ...

466

FUEL PRESSURE . . . . . . . . . . .

466

Fuel Pressure Check . . . . . . . . . . . .

466

EVAP LEAK CHECK . . . . . . . . . .

469

How to Detect Fuel Vapor Leakage . . . . . ..

469

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

471

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

471

Fuel Pressure . . . . . . . . . . . . . .

471

Idle Speed and Ignition Timing . . . . . . . ..

471

Calculated Load Value . . . . . . . . . . ..

471

Mass Air Flow Sensor . . . . . . . . . . ...

471

Intake Air Temperature Sensor . . . . . . . .

471

Engine Coolant Temperature Sensor . . . . .

471

Air Fuel Ratio (A/F) Sensor 1 Heater . . . . .

472

Heated Oxygen sensor 2 Heater . . . . . . ...

472

Crankshaft Position Sensor (POS) . . . . . .

472

Camshaft Position Sensor (PHASE) . . . . . .

472

Throttle Control Motor . . . . . . . . . . ...

472

Fuel Injector . . . . . . . . . . . . . . ..

472

Fuel Pump . . . . . . . . . . . . . . . .

472

VQ40DE FOR USA AND CANADA

PRECAUTION . . . . . . . . . . .

473

PRECAUTIONS . . . . . . . . . . . ...

473

Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" . . . . . . . . . . . . . . . ...

473

Precaution for Procedure without Cowl Top Cover ..

473

On Board Diagnosis (OBD) System of Engine and
A/T . . . . . . . . . . . . . . . . . . .

473

Precaution . . . . . . . . . . . . . . . .

474

PREPARATION . . . . . . . . . . .

477

PREPARATION . . . . . . . . . . . ...

477

Special Service Tool . . . . . . . . . . . ..

477

Commercial Service Tool . . . . . . . . . ..

478

SYSTEM DESCRIPTION . . . . . . ...

479

ENGINE CONTROL SYSTEM . . . . . .

479

System Diagram . . . . . . . . . . . . .

479

Engine Control Component Parts Location . . ...

480

MULTIPORT FUEL INJECTION SYSTEM . .

488

System Description . . . . . . . . . . . .

488

ELECTRIC IGNITION SYSTEM . . . . . ..

491

System Description . . . . . . . . . . . .

491

AIR CONDITIONING CUT CONTROL . . .

492

Input/Output Signal Chart . . . . . . . . . ..

492

System Description . . . . . . . . . . . .

492

AUTOMATIC SPEED CONTROL DEVICE
(ASCD) . . . . . . . . . . . . . . .

493

System Description . . . . . . . . . . . .

493

Component Description . . . . . . . . . . .

494

CAN COMMUNICATION . . . . . . . . .

495

System Description . . . . . . . . . . . .

495

COOLING FAN CONTROL . . . . . . . .

496

Description . . . . . . . . . . . . . . . .

496

EVAPORATIVE EMISSION SYSTEM . . . .

497

Description . . . . . . . . . . . . . . . .

497

INTAKE VALVE TIMING CONTROL . . . ..

500

Description . . . . . . . . . . . . . . . .

500

FUEL FILLER CAP WARNING SYSTEM . ...

501

System Diagram . . . . . . . . . . . . ...

501

System Description . . . . . . . . . . . .

501

TUMBLE CONTROL VALVE CONTROL . ...

503

System Description . . . . . . . . . . . .

503

VARIABLE INDUCTION AIR SYSTEM . . ..

504

Description . . . . . . . . . . . . . . . .

504

Vacuum Hose Drawing . . . . . . . . . . ..

506

ON BOARD DIAGNOSTIC (OBD) SYSTEM ..

507

Diagnosis Description . . . . . . . . . . .

507

GST (Generic Scan Tool) . . . . . . . . . ..

507

EC-8

DIAGNOSIS SYSTEM (ECM) . . . . . . ..

508

DIAGNOSIS DESCRIPTION . . . . . . . . .

508

DIAGNOSIS DESCRIPTION : 1st Trip Detection
Logic and Two Trip Detection Logic . . . . . ..

508

DIAGNOSIS DESCRIPTION : DTC and Freeze
Frame Data . . . . . . . . . . . . . . .

508

DIAGNOSIS DESCRIPTION : Counter System .

509

DIAGNOSIS DESCRIPTION : Driving Pattern . ..

512

DIAGNOSIS DESCRIPTION : System Readiness
Test (SRT) Code . . . . . . . . . . . . ...

513

DIAGNOSIS DESCRIPTION : Permanent Diag-
nostic Trouble Code (Permanent DTC) . . . . .

514

DIAGNOSIS DESCRIPTION : Malfunction Indica-
tor Lamp (MIL) . . . . . . . . . . . . . ...

515

On Board Diagnosis Function . . . . . . . .

515

CONSULT Function . . . . . . . . . . . ...

518

ECU DIAGNOSIS INFORMATION . . . .

528

ECM . . . . . . . . . . . . . . . . .

528

CONSULT Reference Value in Data Monitor
Mode . . . . . . . . . . . . . . . . . ..

528

ECM Harness Connector Terminal Layout . . .

532

ECM Terminal and Reference Value . . . . . .

532

Fail-Safe Chart . . . . . . . . . . . . . ..

541

DTC Inspection Priority Chart . . . . . . . .

542

DTC Index . . . . . . . . . . . . . . . .

543

Test Value and Test Limit . . . . . . . . . ..

548

WIRING DIAGRAM . . . . . . . . .

556

ENGINE CONTROL SYSTEM . . . . . . .

556

Wiring Diagram . . . . . . . . . . . . . ..

556

BASIC INSPECTION . . . . . . . . ..

578

DIAGNOSIS AND REPAIR WORKFLOW . ...

578

Trouble Diagnosis Introduction . . . . . . . ..

578

INSPECTION AND ADJUSTMENT . . . . .

584

Basic Inspection . . . . . . . . . . . . .

584

Idle Speed and Ignition Timing Check . . . . ...

588

Additional Service When Replacing ECM . . . .

588

VIN Registration . . . . . . . . . . . . .

590

Accelerator Pedal Released Position Learning . .

590

Throttle Valve Closed Position Learning . . . ...

591

Idle Air Volume Learning . . . . . . . . . ...

591

MIXTURE RATIO SELF-LEARNING VALUE
CLEAR . . . . . . . . . . . . . . . .

594

Description . . . . . . . . . . . . . . . .

594

Work Procedure . . . . . . . . . . . . . .

594

HOW TO SET SRT CODE . . . . . . . ...

595

Description . . . . . . . . . . . . . . . .

595

SRT Set Driving Pattern . . . . . . . . . .

596

Work Procedure . . . . . . . . . . . . . .

598

HOW TO ERASE PERMANENT DTC . . . .

601

Description . . . . . . . . . . . . . . . .

601

Work Procedure (Group A) . . . . . . . . ...

602

Work Procedure (Group B) . . . . . . . . ...

604

DTC/CIRCUIT DIAGNOSIS . . . . . ...

607

TROUBLE DIAGNOSIS - SPECIFICATION
VALUE . . . . . . . . . . . . . . . ..

607

Description . . . . . . . . . . . . . . .

607

Testing Condition . . . . . . . . . . . . ..

607

Inspection Procedure . . . . . . . . . . .

607

Diagnosis Procedure . . . . . . . . . . . .

607

POWER SUPPLY AND GROUND CIRCUIT .

615

Diagnosis Procedure . . . . . . . . . . . .

615

Ground Inspection . . . . . . . . . . . . .

617

U0101 CAN COMM CIRCUIT . . . . . . ...

619

Description . . . . . . . . . . . . . . .

619

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

619

DTC Confirmation Procedure . . . . . . . .

619

Diagnosis Procedure . . . . . . . . . . . .

619

U1001 CAN COMM CIRCUIT . . . . . . ...

620

Description . . . . . . . . . . . . . . .

620

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

620

DTC Confirmation Procedure . . . . . . . .

620

Diagnosis Procedure . . . . . . . . . . . .

620

P0011, P0021 IVT CONTROL . . . . . . ..

621

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

621

DTC Confirmation Procedure . . . . . . . .

621

Diagnosis Procedure . . . . . . . . . . . .

622

Component Inspection . . . . . . . . . . ..

623

P0031, P0032, P0051, P0052 A/F SENSOR 1
HEATER . . . . . . . . . . . . . . ...

624

Description . . . . . . . . . . . . . . .

624

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

624

DTC Confirmation Procedure . . . . . . . .

624

Diagnosis Procedure . . . . . . . . . . . .

624

Component Inspection . . . . . . . . . . ..

625

P0037, P0038, P0057, P0058 HO2S2 HEAT-
ER . . . . . . . . . . . . . . . . . .

627

Description . . . . . . . . . . . . . . .

627

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

627

DTC Confirmation Procedure . . . . . . . .

627

Diagnosis Procedure . . . . . . . . . . . .

628

Component Inspection . . . . . . . . . . ..

629

P0075, P0081 IVT CONTROL SOLENOID
VALVE . . . . . . . . . . . . . . . ..

630

Component Description . . . . . . . . . .

630

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

630

DTC Confirmation Procedure . . . . . . . .

630

Diagnosis Procedure . . . . . . . . . . . .

630

Component Inspection . . . . . . . . . . ..

631

P0101 MAF SENSOR . . . . . . . . . ...

633

Component Description . . . . . . . . . .

633

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

633

EC-9

C

D

E

F

G

H

I

J

K

L

M

EC

A

N

O

P

DTC Confirmation Procedure . . . . . . . .

633

Diagnosis Procedure . . . . . . . . . . . .

634

Component Inspection . . . . . . . . . . ..

635

P0102, P0103 MAF SENSOR . . . . . . ..

637

Component Description . . . . . . . . . . .

637

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

637

DTC Confirmation Procedure . . . . . . . .

637

Diagnosis Procedure . . . . . . . . . . . .

638

Component Inspection . . . . . . . . . . ..

639

P0111 IAT SENSOR . . . . . . . . . . .

641

Component Description . . . . . . . . . . .

641

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

641

DTC Confirmation Procedure . . . . . . . .

641

Component Function Check . . . . . . . . ..

642

Diagnosis Procedure . . . . . . . . . . . .

642

Component Inspection . . . . . . . . . . ..

643

P0112, P0113 IAT SENSOR . . . . . . .

644

Component Description . . . . . . . . . . .

644

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

644

DTC Confirmation Procedure . . . . . . . .

644

Diagnosis Procedure . . . . . . . . . . . .

644

Component Inspection . . . . . . . . . . ..

645

P0116 ECT SENSOR . . . . . . . . . ...

647

Component Description . . . . . . . . . . .

647

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

647

DTC Confirmation Procedure . . . . . . . .

647

Component Function Check . . . . . . . . ..

648

Diagnosis Procedure . . . . . . . . . . . .

649

Component Inspection . . . . . . . . . . ..

649

P0117, P0118 ECT SENSOR . . . . . . ...

650

Component Description . . . . . . . . . . .

650

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

650

DTC Confirmation Procedure . . . . . . . .

651

Diagnosis Procedure . . . . . . . . . . . .

651

Component Inspection . . . . . . . . . . ..

652

P0122, P0123 TP SENSOR . . . . . . . .

653

Component Description . . . . . . . . . . .

653

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

653

DTC Confirmation Procedure . . . . . . . .

653

Diagnosis Procedure . . . . . . . . . . . .

653

Component Inspection . . . . . . . . . . ..

656

P0125 ECT SENSOR . . . . . . . . . ...

657

Component Description . . . . . . . . . . .

657

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

657

DTC Confirmation Procedure . . . . . . . .

657

Diagnosis Procedure . . . . . . . . . . . .

658

Component Inspection . . . . . . . . . . ..

658

P0127 IAT SENSOR . . . . . . . . . . .

660

Component Description . . . . . . . . . . .

660

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

660

DTC Confirmation Procedure . . . . . . . .

660

Diagnosis Procedure . . . . . . . . . . . .

661

Component Inspection . . . . . . . . . . ..

661

P0128 THERMOSTAT FUNCTION . . . . .

663

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

663

DTC Confirmation Procedure . . . . . . . .

663

Diagnosis Procedure . . . . . . . . . . . .

663

Component Inspection . . . . . . . . . . ...

664

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

665

Component Description . . . . . . . . . . .

665

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

665

DTC Confirmation Procedure . . . . . . . .

665

Overall Function Check . . . . . . . . . . .

666

Diagnosis Procedure . . . . . . . . . . . .

666

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

669

Component Description . . . . . . . . . . .

669

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

669

DTC Confirmation Procedure . . . . . . . .

669

Diagnosis Procedure . . . . . . . . . . . .

670

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

672

Component Description . . . . . . . . . . .

672

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

672

DTC Confirmation Procedure . . . . . . . .

672

Diagnosis Procedure . . . . . . . . . . . .

673

P0137, P0157 HO2S2 . . . . . . . . . .

675

Component Description . . . . . . . . . . .

675

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

675

DTC Confirmation Procedure . . . . . . . .

675

Overall Function Check . . . . . . . . . . .

676

Diagnosis Procedure . . . . . . . . . . . .

676

Component Inspection . . . . . . . . . . ...

678

P0138, P0158 HO2S2 . . . . . . . . . .

680

Component Description . . . . . . . . . . .

680

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

680

DTC Confirmation Procedure . . . . . . . .

681

Overall Function Check . . . . . . . . . . .

681

Diagnosis Procedure . . . . . . . . . . . .

682

Component Inspection . . . . . . . . . . ...

686

P0139, P0159 HO2S2 . . . . . . . . . .

688

Component Description . . . . . . . . . . .

688

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

688

DTC Confirmation Procedure . . . . . . . .

688

Overall Function Check . . . . . . . . . . .

690

Diagnosis Procedure . . . . . . . . . . . .

690

Component Inspection . . . . . . . . . . ...

692

P014C, P014D, P014E, P014F, P015A,
P015B, P015C, P015D A/F SENSOR 1 . . ..

694

DTC Logic . . . . . . . . . . . . . . . ..

694

Diagnosis Procedure . . . . . . . . . . . .

696

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

700

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

700

DTC Confirmation Procedure . . . . . . . .

700

Diagnosis Procedure . . . . . . . . . . . .

701

EC-10

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

706

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

706

DTC Confirmation Procedure . . . . . . . .

706

Diagnosis Procedure . . . . . . . . . . . .

707

P0181 FTT SENSOR . . . . . . . . . ...

712

Component Description . . . . . . . . . . .

712

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

712

DTC Confirmation Procedure . . . . . . . .

712

Component Function Check . . . . . . . . ..

714

Diagnosis Procedure . . . . . . . . . . . .

714

Component Inspection . . . . . . . . . . ...

716

P0182, P0183 FTT SENSOR . . . . . . ...

717

Component Description . . . . . . . . . . .

717

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

717

DTC Confirmation Procedure . . . . . . . .

717

Diagnosis Procedure . . . . . . . . . . . .

717

Component Inspection . . . . . . . . . . ...

719

P0196 EOT SENSOR . . . . . . . . . ..

720

DTC Logic . . . . . . . . . . . . . . . ..

720

Component Function Check . . . . . . . . ..

722

Diagnosis Procedure . . . . . . . . . . . .

722

Component Inspection . . . . . . . . . . ...

722

P0197, P0198 EOT SENSOR . . . . . . ..

724

DTC Logic . . . . . . . . . . . . . . . ..

724

Diagnosis Procedure . . . . . . . . . . . .

724

Component Inspection . . . . . . . . . . ...

725

P0222, P0223 TP SENSOR . . . . . . . .

726

Component Description . . . . . . . . . . .

726

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

726

DTC Confirmation Procedure . . . . . . . .

726

Diagnosis Procedure . . . . . . . . . . . .

726

Component Inspection . . . . . . . . . . ...

728

P0300, P0301, P0302, P0303, P0304, P0305,
P0306 MISFIRE . . . . . . . . . . . ...

730

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

730

DTC Confirmation Procedure . . . . . . . .

730

Diagnosis Procedure . . . . . . . . . . . .

731

P0327, P0328, P0332, P0333 KS . . . . .

737

Component Description . . . . . . . . . . .

737

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

737

DTC Confirmation Procedure . . . . . . . .

737

Diagnosis Procedure . . . . . . . . . . . .

737

Component Inspection . . . . . . . . . . ...

739

P0335 CKP SENSOR (POS) . . . . . . ...

740

Component Description . . . . . . . . . . .

740

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

740

DTC Confirmation Procedure . . . . . . . .

740

Diagnosis Procedure . . . . . . . . . . . .

740

Component Inspection . . . . . . . . . . ...

742

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

743

Component Description . . . . . . . . . . .

743

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

743

DTC Confirmation Procedure . . . . . . . .

743

Diagnosis Procedure . . . . . . . . . . . .

744

Component Inspection . . . . . . . . . . ..

745

P0420, P0430 THREE WAY CATALYST
FUNCTION . . . . . . . . . . . . . .

747

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

747

DTC Confirmation Procedure . . . . . . . .

747

Overall Function Check . . . . . . . . . . .

748

Diagnosis Procedure . . . . . . . . . . . .

748

P0441 EVAP CONTROL SYSTEM . . . . ..

751

System Description . . . . . . . . . . . ...

751

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

751

DTC Confirmation Procedure . . . . . . . .

751

Overall Function Check . . . . . . . . . . .

752

Diagnosis Procedure . . . . . . . . . . . .

752

Component Inspection . . . . . . . . . . ..

755

P0442 EVAP CONTROL SYSTEM . . . . ..

756

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

756

DTC Confirmation Procedure . . . . . . . .

757

Diagnosis Procedure . . . . . . . . . . . .

757

Component Inspection . . . . . . . . . . ..

762

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

763

Description . . . . . . . . . . . . . . .

763

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

763

DTC Confirmation Procedure . . . . . . . .

764

Diagnosis Procedure . . . . . . . . . . . .

765

Component Inspection . . . . . . . . . . ..

767

P0444, P0445 EVAP CANISTER PURGE
VOLUME CONTROL SOLENOID VALVE . ...

769

Description . . . . . . . . . . . . . . .

769

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

769

DTC Confirmation Procedure . . . . . . . .

770

Diagnosis Procedure . . . . . . . . . . . .

770

Component Inspection . . . . . . . . . . ..

771

P0447 EVAP CANISTER VENT CONTROL
VALVE . . . . . . . . . . . . . . . ..

772

Component Description . . . . . . . . . .

772

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

772

DTC Confirmation Procedure . . . . . . . .

772

Diagnosis Procedure . . . . . . . . . . . .

772

Component Inspection . . . . . . . . . . ..

774

P0448 EVAP CANISTER VENT CONTROL
VALVE . . . . . . . . . . . . . . . ..

776

Component Description . . . . . . . . . .

776

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

776

DTC Confirmation Procedure . . . . . . . .

776

Diagnosis Procedure . . . . . . . . . . . .

777

Component Inspection . . . . . . . . . . ..

778

P0451 EVAP CONTROL SYSTEM PRES-
SURE SENSOR . . . . . . . . . . . .

781

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