Nissan Pathfinder. Manual - part 1202

WCS

DIAGNOSIS AND REPAIR WORKFLOW

WCS-25

< BASIC INSPECTION >

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BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

INFOID:0000000009174322

OVERALL SEQUENCE

DETAILED FLOW

1.

OBTAIN INFORMATION ABOUT SYMPTOM

Interview the customer to obtain as much information as possible about the conditions and environment under

which the malfunction occurred.

>> GO TO 2.

2.

CHECK SYMPTOM

• Check the symptom based on the information obtained from the customer.

• Check if any other malfunctions are present.

>> GO TO 3.

3.

CHECK CONSULT SELF-DIAGNOSIS RESULTS

Connect CONSULT and perform Self Diagnosis.  Refer to 

MWI-29, "DTC Index"

.

AWNIA2375GB

WCS-26

< BASIC INSPECTION >

DIAGNOSIS AND REPAIR WORKFLOW

Are self-diagnosis results normal?

YES

>> GO TO 4.

NO

>> GO TO 5.

4.

NARROW DOWN MALFUNCTIONING PARTS BY SYMPTOM DIAGNOSIS

Perform symptom diagnosis. Refer to 

WCS-32, "Symptom Table"

. 

>> GO TO 5.

5.

REPAIR OR REPLACE MALFUNCTIONING PARTS

Repair or replace malfunctioning parts.

NOTE:

If DTC is displayed, erase DTC after repairing or replacing malfunctioning parts.

>> GO TO 6.

6.

FINAL CHECK

Check that the warning buzzer in the combination meter operates normally.
Does it operate normally?

YES

>> Inspection End.

NO

>> GO TO 1.

WCS

POWER SUPPLY AND GROUND CIRCUIT

WCS-27

< DTC/CIRCUIT DIAGNOSIS >

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DTC/CIRCUIT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

COMBINATION METER
COMBINATION METER : Diagnosis Procedure

INFOID:0000000009730854

Regarding Wiring Diagram information, refer to 

MWI-31, "Wiring Diagram"

.

1.

CHECK FUSES

Check that the following fuses are not blown.

Is the fuse blown?

YES

>> GO TO 2.

NO

>> Replace the blown fuse after repairing the affected circuit.

2.

POWER SUPPLY CIRCUIT CHECK

1. Disconnect combination meter connector.

2. Check voltage between combination meter harness connector M24 terminals 5, 21, 22 and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness or connectors.

3.

GROUND CIRCUIT CHECK

1. Turn ignition switch OFF.

2. Check continuity between combination meter harness connector M24 terminals 1, 2 and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair or replace harness or connectors.

BCM (BODY CONTROL MODULE)

Unit

Power source

Fuse No.

Combination meter

Battery 

13

65

Ignition switch ON or START 

31

Terminals

Ignition switch position

(+)

(–)

OFF

ACC

ON

START

Connector

Terminal

M24

22

Ground

Battery voltage

Battery voltage

Battery voltage

Battery voltage

21

0V

0V

Battery voltage

Battery voltage

5

0V

Battery voltage

Battery voltage

0V

Terminals

Continuity

(+)

(–)

Connector

Terminal

M24

1

Ground

Yes

2

WCS-28

< DTC/CIRCUIT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

BCM (BODY CONTROL MODULE) : Diagnosis Procedure

INFOID:0000000009764031

Regarding Wiring Diagram information, refer to 

BCS-55, "Wiring Diagram"

.

1.

 CHECK FUSE AND FUSIBLE LINK

Check that the following fuse and fusible link are not blown.

Is the fuse or fusible link blown?

YES

>> Replace the blown fuse or fusible link after repairing the affected circuit.

NO

>> GO TO 2

2.

 CHECK POWER SUPPLY CIRCUIT

1. Disconnect BCM connector M81.

2. Check voltage between BCM connector M81 terminals 131, 139 and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness or connectors.

3.

 CHECK GROUND CIRCUIT

Check continuity between BCM connector M81 terminals 134, 143 and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair or replace harness or connectors.

Terminal No.

Signal name

Fuse and fusible link No.

139

Fusible link battery power

O (40A)

131

BCM battery fuse

1 (10A)

BCM

Ground

Voltage

(Approx.)

Connector

Terminal

M81

131

—

Battery voltage

139

BCM

Ground

Continuity

Connector

Terminal

M81

134

—

Yes

143