Nissan Pathfinder. Manual - part 901

PCS-80

< DTC/CIRCUIT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

PUSH-BUTTON IGNITION SWITCH

NO

>> Replace push-button ignition switch.

PCS

POWER SUPPLY AND GROUND CIRCUIT

PCS-81

< DTC/CIRCUIT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

C

D

E

F

G

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K

L

B

A

O

P

N

POWER SUPPLY AND GROUND CIRCUIT

BCM
BCM : Diagnosis Procedure

INFOID:0000000009764057

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.

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)
IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM) : Di-
agnosis Procedure

INFOID:0000000009764058

Regarding Wiring Diagram information, refer to 

PCS-21, "Wiring Diagram"

.

1.

 CHECK FUSIBLE LINKS

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

PCS-82

< DTC/CIRCUIT DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

POWER SUPPLY AND GROUND CIRCUIT

Check that the following fusible links are not blown.

Is the fusible link blown?

YES

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

NO

>> GO TO 2

2.

 CHECK POWER SUPPLY CIRCUIT

1. Disconnect IPDM E/R connectors E118 and E120.

2. Check voltage between IPDM E/R connectors and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness or connectors.

3.

 CHECK GROUND CIRCUIT

1. Disconnect IPDM E/R connectors E119 and E121.

2. Check continuity between IPDM E/R connectors and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair or replace harness or connectors.

Terminal No.

Signal name

Fusible link No.

1

Fusible link main

E (80A)

2

Fusible link IPDM E/R

A (250A), C (80A)

3

Fusible link ignition switch

A (250A), B (100A), K (40A)

IPDM E/R

Ground

Voltage

(Approx.)

Connector

Terminal

E118

1

—

Battery voltage

2

E120

3

IPDM E/R

Ground

Continuity

Connector

Terminal

E121

7

—

Yes

E119

41

PCS

PUSH-BUTTON IGNITION SWITCH DOES NOT OPERATE

PCS-83

< SYMPTOM DIAGNOSIS >

[POWER DISTRIBUTION SYSTEM]

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SYMPTOM DIAGNOSIS

PUSH-BUTTON IGNITION SWITCH DOES NOT OPERATE

Description

INFOID:0000000009175249

Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and check

each symptom.

NOTE:

The engine start function, door lock function, power distribution system, and NATS-IVIS in the Intelligent Key

system are closely related to each other regarding control. The vehicle security function can operate only

when the door lock and power distribution system are operating normally.

Conditions of Vehicle (Operating Conditions)

• “ENGINE START BY I-KEY” in “WORK SUPPORT” is ON when setting on CONSULT.

• One or more of Intelligent Keys with registered Intelligent Key ID is in the vehicle.

Diagnosis Procedure

INFOID:0000000009175250

1.

PERFORM WORK SUPPORT

Perform “INSIDE ANT DIAGNOSIS” on Work Support of “INTELLIGENT KEY”.

Refer to 

BCS-21, "INTELLIGENT KEY : CONSULT Function (BCM - INTELLIGENT KEY)"

.

>> GO TO 2.

2.

PERFORM SELF-DIAGNOSTIC RESULT

Perform self diagnostic result.
Are any DTCs detected?

YES

>> Refer to 

BCS-52, "DTC Index"

.

NO

>> GO TO 3.

3.

CHECK PUSH-BUTTON IGNITION SWITCH

Check push-button ignition switch.

Refer to 

PCS-78, "Component Function Check"

.

Is the operation normal?

YES

>> GO TO 4.

NO

>> Repair or replace malfunctioning parts.

4.

CONFIRM THE OPERATION

Confirm the operation again.
Is the inspection normal?

YES

>> Check intermittent incident. Refer to 

GI-49, "Intermittent Incident"

.

NO

>> GO TO 1.