Nissan Pathfinder. Manual - part 351

DLK-170

< DTC/CIRCUIT DIAGNOSIS >

DOOR SWITCH

DOOR SWITCH

Component Function Check

INFOID:0000000009175709

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 

DLK-170, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009175710

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

DLK-171

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

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 

DLK-171, "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:0000000009175711

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

DLK-172

< DTC/CIRCUIT DIAGNOSIS >

BACK DOOR SWITCH

BACK DOOR SWITCH

Component Function Check

INFOID:0000000009175712

1.

CHECK FUNCTION

1. Select DOOR LOCK of BCM using CONSULT.

2. Select DOOR SW-BK 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 

DLK-172, "Diagnosis Procedure (With Power Back Door)"

.

Diagnosis Procedure (With Power Back Door)

INFOID:0000000009175713

Regarding Wiring Diagram information, refer to 

DLK-94, "Wiring Diagram"

.

1.

CHECK BACK DOOR SWITCH INPUT SIGNAL

1. Turn ignition switch OFF.

2. Disconnect back door lock assembly connector.

3. Check signal between back door lock assembly harness connector and ground using oscilloscope.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK BACK DOOR SWITCH CIRCUIT 

1. Disconnect BCM connector.

2. Check continuity between back door lock assembly harness connector and BCM harness connector.

3. Check continuity between back door lock assembly harness connector and ground.

Monitor item

Condition

Status

DOOR SW-BK

Driver side door

Open

On

Closed

Off

(+)

(–)

Signal

(Reference value)

Back door lock assembly

Connector

Terminal

D557

7

Ground

9.0 - 10.0 V

JPMIA0593GB

Back door lock assembly

BCM

Continuity 

Connector

Terminal

Connector

Terminal

D557

7

M20

97

Yes

BACK DOOR SWITCH

DLK-173

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-80, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK BACK DOOR SWITCH GROUND CIRCUIT

Check continuity between back door lock assembly harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK BACK DOOR SWITCH 

Refer to 

DLK-174, "Component Inspection (With Power Back Door)"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace back door lock assembly. Refer to 

DLK-308, "DOOR LOCK : Removal and Installation"

.

5.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-49, "Intermittent Incident"

.

>> Inspection End.

Diagnosis Procedure (Without Power Back Door)

INFOID:0000000009175714

Regarding Wiring Diagram information, refer to 

DLK-74, "Wiring Diagram"

.

1.

CHECK BACK DOOR SWITCH INPUT SIGNAL

1. Turn ignition switch OFF.

2. Disconnect back door lock assembly connector.

3. Check signal between back door lock assembly harness connector and ground using oscilloscope.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

Back door lock assembly

Ground

Continuity 

Connector

Terminal

D557

7

No

Back door lock assembly

Ground

Continuity 

Connector

Terminal

D557

8

Yes

(+)

(–)

Signal

(Reference value)

Back door lock assembly

Connector

Terminal

D565

3

Ground

9.0 - 10.0 V

JPMIA0593GB