Nissan Pathfinder. Manual - part 938

PWC-48

< DTC/CIRCUIT DIAGNOSIS >

[LH FRONT ONLY AUTO DOWN]

DOOR SWITCH

DOOR SWITCH

Component Function Check

INFOID:0000000009781488

1.

CHECK FUNCTION

1. Select DOOR LOCK of BCM using CONSULT.

2. Select DOOR SW-DR, DOOR SW-AS, DOOR SW-RL, DOOR SW-RR, in DATA MONITOR mode.

3. Check that the function operates normally according to the following conditions.

Is the inspection result normal?

YES

>> Door switch is OK.

NO

>> Refer to 

PWC-48, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009781489

Regarding Wiring Diagram information, refer to 

DLK-74, "Wiring Diagram"

.

1.

CHECK DOOR SWITCH INPUT SIGNAL

1. Turn ignition switch OFF.

2. Disconnect malfunctioning door switch connector.

3. Check signal between malfunctioning door switch harness connector and ground using oscilloscope.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK DOOR SWITCH CIRCUIT 

1. Disconnect BCM connector.

2. Check continuity between door switch harness connector and BCM harness connector.

Monitor item

Condition

Status

DOOR SW-DR

Driver side door

Open

On

Closed

Off

DOOR SW-AS

Passenger side door

Open

On

Closed

Off

DOOR SW-RL

Rear door LH

Open

On

Closed

Off

DOOR SW-RR

Rear door RH

Open

On

Closed

Off

(+)

(–)

Signal

(Reference value)

Door switch

Connector

Terminal

Driver side

B8

3

Ground

7.0 - 8.0 V

Passenger side

B108

Rear LH

B18

Rear RH

B116

PKIB4960J

DOOR SWITCH

PWC-49

< DTC/CIRCUIT DIAGNOSIS >

[LH FRONT ONLY AUTO DOWN]

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

O

P

3. Check continuity between door switch harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-80, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK DOOR SWITCH 

Refer to 

PWC-49, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace malfunctioning door switch. Refer to 

DLK-313, "Removal and Installation"

.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-49, "Intermittent Incident"

.

>> Inspection End.

Component Inspection

INFOID:0000000009781490

1.

CHECK DOOR SWITCH

1. Turn ignition switch OFF.

2. Disconnect malfunctioning door switch connector.

3. Check continuity between door switch terminals.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace malfunction door switch. Refer to 

DLK-313, "Removal and Installation"

.

Door switch

BCM

Continuity 

Connector

Terminal

Connector

Terminal

Driver side

B8

3

M20

96

Yes

Passenger side

B108

94

Rear LH

B18

82

Rear RH

B116

93

Door switch

Ground

Continuity 

Connector

Terminal

Driver side

B8

3

No

Passenger side

B108

Rear LH

B18

Rear RH

B116

Door switch

Condition

Continuity

Terminal

3

Ground contact is part of the 

switch.

Door switch

Pressed

No

Released

Yes

PWC-50

< DTC/CIRCUIT DIAGNOSIS >

[LH FRONT ONLY AUTO DOWN]

POWER WINDOW LOCK SWITCH

POWER WINDOW LOCK SWITCH

Description

INFOID:0000000009176149

Ground circuit of main power window and door lock/unlock switch shuts off if power window lock switch of

main power window and door lock/unlock switch is operated. This inhibits all operation, except for the main

switch.

Component Function Check

INFOID:0000000009176150

1.

 CHECK POWER WINDOW LOCK SIGNAL

Exchange for a normal main power window and door lock/unlock switch, and check operation.
Is the inspection result normal?

YES

>> Replace main power window and door lock/unlock switch. Refer to 

PWC-62, "Removal and Instal-

lation"

.

NO

>> Check condition of harness and connector.

POWER WINDOWS DO NOT OPERATE WITH POWER WINDOW MAIN SWITCH

PWC-51

< SYMPTOM DIAGNOSIS >

[LH FRONT ONLY AUTO DOWN]

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

O

P

SYMPTOM DIAGNOSIS

POWER WINDOWS DO NOT OPERATE WITH POWER WINDOW MAIN
SWITCH

Diagnosis Procedure

INFOID:0000000009176151

1.

CHECK BCM POWER SUPPLY AND GROUND CIRCUIT

Check BCM power supply and ground circuit.

 

BCS-80, "Removal and Installation"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CHECK POWER WINDOW MAIN SWITCH POWER SUPPLY AND GROUND CIRCUIT

Check power window switch power supply and ground circuit.

Refer to 

PWC-29, "POWER WINDOW MAIN SWITCH : Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace the malfunctioning parts.

3.

CONFIRM THE OPERATION

Confirm the operation again.
Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-49, "Intermittent Incident"

.

NO

>> GO TO 1.