Nissan Pathfinder (2012 year). Manual - part 241

 

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Nissan Pathfinder (2012 year). Manual - part 241

 

 

EC-9

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

636

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

636

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

636

DTC Confirmation Procedure ................................

636

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

637

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

638

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

640

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

640

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

640

DTC Confirmation Procedure ................................

640

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

640

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

641

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

643

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

643

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

643

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

644

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

645

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

647

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

647

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

647

DTC Confirmation Procedure ................................

647

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

648

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

649

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

652

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

652

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

653

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

653

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

653

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

654

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

654

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

654

DTC Confirmation Procedure ................................

654

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

654

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

656

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

657

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

657

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

657

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

658

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

659

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

659

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

660

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

660

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

660

DTC Confirmation Procedure ................................

661

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

661

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

662

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

664

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

664

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

664

DTC Confirmation Procedure ................................

664

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

664

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

667

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

668

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

668

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

668

DTC Confirmation Procedure  ................................

668

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

669

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

669

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

671

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

671

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

671

DTC Confirmation Procedure  ................................

671

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

672

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

672

P0128 THERMOSTAT FUNCTION .................

674

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

674

DTC Confirmation Procedure  ................................

674

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

674

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

675

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

676

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

676

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

676

DTC Confirmation Procedure  ................................

676

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

677

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

677

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

680

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

680

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

680

DTC Confirmation Procedure  ................................

680

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

681

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

684

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

684

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

684

DTC Confirmation Procedure  ................................

684

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

685

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

688

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

688

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

688

DTC Confirmation Procedure  ................................

688

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

689

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

694

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

694

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

694

DTC Confirmation Procedure  ................................

694

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

695

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

695

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

697

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

699

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

699

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

699

DTC Confirmation Procedure  ................................

699

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

700

August 2012

2012 Pathfinder

EC-10

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

701

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

705

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

707

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

707

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

707

DTC Confirmation Procedure  ................................

707

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

709

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

710

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

711

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

714

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

714

DTC Confirmation Procedure  ................................

714

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

716

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

719

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

719

DTC Confirmation Procedure  ................................

719

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

720

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

724

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

724

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

724

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

725

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

726

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

727

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

728

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

728

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

728

DTC Confirmation Procedure  ................................

728

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

728

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

730

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

731

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

731

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

731

DTC Confirmation Procedure  ................................

731

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

731

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

734

P0300, P0301, P0302, P0303, P0304, P0305, 
P0306, P0307, P0308 MISFIRE .......................

735

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

735

DTC Confirmation Procedure  ................................

735

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

736

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

742

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

742

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

742

DTC Confirmation Procedure  ................................

742

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

742

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

744

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

745

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

745

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

745

DTC Confirmation Procedure  ................................

745

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

745

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

747

P0340 CMP SENSOR (PHASE) .......................

749

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

749

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

749

DTC Confirmation Procedure ................................

749

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

750

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

751

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

753

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

753

DTC Confirmation Procedure ................................

753

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

754

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

754

P0441 EVAP CONTROL SYSTEM  ..................

757

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

757

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

757

DTC Confirmation Procedure ................................

757

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

758

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

758

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

761

P0442 EVAP CONTROL SYSTEM  ..................

762

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

762

DTC Confirmation Procedure ................................

763

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

763

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

768

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

769

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

769

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

769

DTC Confirmation Procedure ................................

770

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

770

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

773

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

774

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

774

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

774

DTC Confirmation Procedure ................................

775

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

775

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

776

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

777

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

777

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

777

DTC Confirmation Procedure ................................

777

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

777

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

779

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

781

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

781

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

781

DTC Confirmation Procedure ................................

781

August 2012

2012 Pathfinder

EC-11

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

782

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

783

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

786

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

786

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

786

DTC Confirmation Procedure ................................

786

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

787

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

788

P0452 EVAP CONTROL SYSTEM PRES-
SURE SENSOR ................................................

790

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

790

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

790

DTC Confirmation Procedure ................................

790

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

791

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

793

P0453 EVAP CONTROL SYSTEM PRES-
SURE SENSOR ................................................

794

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

794

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

794

DTC Confirmation Procedure ................................

794

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

795

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

798

P0455 EVAP CONTROL SYSTEM  ..................

799

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

799

DTC Confirmation Procedure ................................

799

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

800

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

805

P0456 EVAP CONTROL SYSTEM  ..................

806

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

806

DTC Confirmation Procedure ................................

807

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

807

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

808

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

813

P0460 FUEL LEVEL SENSOR  ........................

814

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

814

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

814

DTC Confirmation Procedure ................................

814

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

814

P0461 FUEL LEVEL SENSOR  ........................

816

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

816

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

816

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

816

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

817

P0462, P0463 FUEL LEVEL SENSOR  ............

818

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

818

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

818

DTC Confirmation Procedure ................................

818

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

818

P0500 VSS  .......................................................

820

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

820

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

820

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

820

P0506 ISC SYSTEM ........................................

822

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

822

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

822

DTC Confirmation Procedure  ................................

822

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

822

P0507 ISC SYSTEM ........................................

824

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

824

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

824

DTC Confirmation Procedure  ................................

824

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

824

P050E COLD START CONTROL  ...................

826

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

826

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

826

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

827

P0550 PSP SENSOR ......................................

828

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

828

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

828

DTC Confirmation Procedure  ................................

828

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

828

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

830

P0603 ECM POWER SUPPLY  .......................

831

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

831

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

831

DTC Confirmation Procedure  ................................

831

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

831

P0605 ECM  .....................................................

833

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

833

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

833

DTC Confirmation Procedure  ................................

833

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

834

P0607 ECM  .....................................................

835

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

835

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

835

DTC Confirmation Procedure  ................................

835

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

835

P0643 SENSOR POWER SUPPLY  ................

836

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

836

DTC Confirmation Procedure  ................................

836

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

836

P0850 PNP SWITCH .......................................

839

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

839

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

839

DTC Confirmation Procedure  ................................

839

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

839

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

840

P1140, P1145 IVT CONTROL POSITION 
SENSOR ..........................................................

842

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

842

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

842

DTC Confirmation Procedure  ................................

842

August 2012

2012 Pathfinder

EC-12

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

842

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

845

P1148, P1168 CLOSED LOOP CONTROL .....

846

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

846

P1211 TCS CONTROL UNIT ...........................

847

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

847

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

847

DTC Confirmation Procedure  ................................

847

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

847

P1212 TCS COMMUNICATION LINE  .............

848

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

848

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

848

DTC Confirmation Procedure  ................................

848

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

848

P1217 ENGINE OVER TEMPERATURE .........

849

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

849

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

849

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

850

Main 12 Causes of Overheating  ............................

851

P1225 TP SENSOR  .........................................

853

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

853

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

853

DTC Confirmation Procedure  ................................

853

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

853

P1226 TP SENSOR  .........................................

855

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

855

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

855

DTC Confirmation Procedure  ................................

855

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

855

P1550 BATTERY CURRENT SENSOR  ..........

857

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

857

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

857

DTC Confirmation Procedure  ................................

857

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

857

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

859

P1551, P1552 BATTERY CURRENT SEN-
SOR ..................................................................

861

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

861

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

861

DTC Confirmation Procedure  ................................

861

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

861

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

863

P1553 BATTERY CURRENT SENSOR  ..........

865

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

865

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

865

DTC Confirmation Procedure  ................................

865

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

865

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

867

P1554 BATTERY CURRENT SENSOR  ..........

869

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

869

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

869

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

869

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

870

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

871

P1564 ASCD STEERING SWITCH  ..................

873

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

873

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

873

DTC Confirmation Procedure ................................

873

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

873

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

875

P1572 ASCD BRAKE SWITCH ........................

877

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

877

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

877

DTC Confirmation Procedure ................................

877

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

878

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

881

P1805 BRAKE SWITCH ...................................

882

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

882

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

882

DTC Confirmation Procedure ................................

882

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

882

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

884

P2100, P2103 THROTTLE CONTROL MO-
TOR RELAY  .....................................................

885

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

885

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

885

DTC Confirmation Procedure ................................

885

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

885

P2101 ELECTRIC THROTTLE CONTROL 
FUNCTION ........................................................

888

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

888

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

888

DTC Confirmation Procedure ................................

888

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

888

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

891

P2118 THROTTLE CONTROL MOTOR  ..........

892

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

892

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

892

DTC Confirmation Procedure ................................

892

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

892

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

893

P2119 ELECTRIC THROTTLE CONTROL 
ACTUATOR ......................................................

894

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

894

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

894

DTC Confirmation Procedure ................................

894

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

895

P2122, P2123 APP SENSOR ...........................

896

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

896

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

896

DTC Confirmation Procedure ................................

896

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

896

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

898

August 2012

2012 Pathfinder

EC-13

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P2127, P2128 APP SENSOR ...........................

899

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

899

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

899

DTC Confirmation Procedure ................................

899

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

899

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

902

P2135 TP SENSOR ..........................................

903

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

903

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

903

DTC Confirmation Procedure ................................

903

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

903

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

906

P2138 APP SENSOR  .......................................

907

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

907

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

907

DTC Confirmation Procedure ................................

907

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

907

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

910

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

911

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

911

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

911

DTC Confirmation Procedure ................................

911

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

912

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

917

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

917

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

917

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

918

ASCD INDICATOR ...........................................

920

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

920

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

920

COOLING FAN .................................................

921

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

921

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

921

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

922

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

923

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

923

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

923

FUEL INJECTOR  .............................................

925

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

925

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

925

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

926

FUEL PUMP  .....................................................

928

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

928

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

928

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

930

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

931

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

931

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

931

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

934

MALFUNCTION INDICATOR LAMP  ..............

936

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

936

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

936

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

937

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

937

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

937

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

940

POSITIVE CRANKCASE VENTILATION  .......

942

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

942

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

942

REFRIGERANT PRESSURE SENSOR ..........

944

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

944

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

944

SYMPTOM DIAGNOSIS  ............................

947

ENGINE CONTROL SYSTEM SYMPTOMS ...

947

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

947

NORMAL OPERATING CONDITION  .............

951

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

951

PERIODIC MAINTENANCE  ......................

952

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

952

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

952

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

954

How to Detect EVAP Leakage ...............................

954

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

956

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

956

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

956

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

956

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

956

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

956

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

956

Engine Coolant Temperature Sensor  ....................

956

A/F Sensor 1 Heater ..............................................

956

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

957

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

957

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

957

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

957

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

957

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

957

August 2012

2012 Pathfinder

EC-14

< BASIC INSPECTION >

[VQ40DE]

DIAGNOSIS AND REPAIR WORKFLOW

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Trouble Diagnosis Introduction

INFOID:0000000007357942

INTRODUCTION

The engine has an ECM to control major systems such as fuel con-

trol, ignition control, idle air control system, etc. The ECM accepts

input signals from sensors and instantly drives actuators. It is essen-

tial that both input and output signals are proper and stable. At the

same time, it is important that there are no malfunctions such as vac-

uum leaks, fouled spark plugs, or other malfunctions with the engine.

It is much more difficult to diagnose an incident that occurs intermit-

tently rather than continuously. Most intermittent incidents are

caused by poor electric connections or improper wiring. In this case,

careful checking of suspected circuits may help prevent the replace-

ment of good parts.

A visual check only may not find the cause of the incidents. A road

test with CONSULT (or GST) or a circuit tester connected should be

performed. Follow the Work Flow on "Work Flow".

Before undertaking actual checks, take a few minutes to talk with a

customer who approaches with a driveability complaint. The cus-

tomer can supply good information about such incidents, especially

intermittent ones. Find out what symptoms are present and under

what conditions they occur. A Diagnostic Worksheet like the example

on "Worksheet Sample" should be used.

Start your diagnosis by looking for conventional malfunctions first.

This will help troubleshoot driveability malfunctions on an electroni-

cally controlled engine vehicle.

WORK FLOW

Overall Sequence

MEF036D

SEF233G

SEF234G

August 2012

2012 Pathfinder

DIAGNOSIS AND REPAIR WORKFLOW

EC-15

< BASIC INSPECTION >

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Detailed Flow

1.

GET INFORMATION FOR SYMPTOM

*1: Include 1st trip DTC.
*2: Include 1st trip freeze frame data.

JSBIA0123GB

August 2012

2012 Pathfinder

EC-16

< BASIC INSPECTION >

[VQ40DE]

DIAGNOSIS AND REPAIR WORKFLOW

1. Get the detailed information from the customer about the symptom (the condition and the environment

when the incident/malfunction occurred) using the “Diagnostic Work Sheet”.

2. Ask if the customer requests I/M examination.

Malfunction information, obtained>>GO TO 2.

No malfunction information, but a request for I/M examination>>GO TO 13.

2.

CHECK DTC

1. Check DTC.

2. Perform the following procedure if DTC is displayed.

-

Record DTC and freeze frame data. (Print them out with CONSULT or GST.)

-

Erase DTC. Refer to 

EC-74, "On Board Diagnosis Function"

 (Without CONSULT) or 

EC-77, "CONSULT

Function"

 (With CONSULT).

-

Study the relationship between the cause detected by DTC and the symptom described by the customer.

(Symptom Table is useful. Refer to 

EC-475, "Symptom Matrix Chart"

.)

3. Check related service bulletins for information.
Are any symptoms described and any DTCs detected?

Symptom is described, DTC is detected>>GO TO 3.

Symptom is described, DTC is not detected>>GO TO 4.

Symptom is not described, DTC is detected>>GO TO 5.

3.

CONFIRM THE SYMPTOM

Try to confirm the symptom described by the customer (except MIL ON).

Also study the normal operation and fail-safe related to the symptom.

Diagnosis Work Sheet is useful to verify the incident.

Verify relation between the symptom and the condition when the symptom is detected.

>> GO TO 5.

4.

CONFIRM THE SYMPTOM

Try to confirm the symptom described by the customer.

Also study the normal operation and fail-safe related to the symptom.

Diagnosis Work Sheet is useful to verify the incident.

Verify relation between the symptom and the condition when the symptom is detected.

>> GO TO 6.

5.

PERFORM DTC CONFIRMATION PROCEDURE

Perform DTC CONFIRMATION PROCEDURE for the displayed DTC, and then make sure that DTC is

detected again.

If two or more DTCs are detected, refer to 

EC-443, "DTC Inspection Priority Chart"

 and determine trouble

diagnosis order.

NOTE:

• Freeze frame data is useful if the DTC is not detected.

• Perform Component Function Check if DTC CONFIRMATION PROCEDURE is not included on Service

Manual. This simplified check procedure is an effective alternative though DTC cannot be detected during

this check.

If the result of Component Function Check is NG, it is the same as the detection of DTC by DTC CONFIR-

MATION PROCEDURE.

Is DTC detected?

YES

>> GO TO 10.

NO

>> Check according to 

GI-33, "Work Flow"

.

6.

PERFORM BASIC INSPECTION

Perform 

EC-20, "Basic Inspection"

.

Do you have CONSULT?

YES

>> GO TO 7.

NO

>> GO TO 9.

August 2012

2012 Pathfinder

 

 

 

 

 

 

 

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