Nissan Pathfinder. Manual - part 352

DLK-174

< DTC/CIRCUIT DIAGNOSIS >

BACK DOOR SWITCH

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.

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-175, "Component Inspection (Without 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.

Component Inspection (With Power Back Door)

INFOID:0000000009175715

1.

CHECK BACK DOOR SWITCH

1. Turn ignition switch OFF.

2. Disconnect back door lock assembly connector.

3. Check continuity between back door lock assembly terminals.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace back door lock assembly. Refer to 

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

.

Back door lock assembly

BCM

Continuity 

Connector

Terminal

Connector

Terminal

D565

3

M20

97

Yes

Back door lock assembly

Ground

Continuity 

Connector

Terminal

D565

3

No

Back door lock assembly

Ground

Continuity 

Connector

Terminal

D565

4

Yes

Back door lock assembly

Condition

Continuity

Terminal

7

8

Door switch

Pressed

No

Released

Yes

BACK DOOR SWITCH

DLK-175

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

Component Inspection (Without Power Back Door)

INFOID:0000000009175716

1.

CHECK BACK DOOR SWITCH

1. Turn ignition switch OFF.

2. Disconnect back door lock assembly connector.

3. Check continuity between back door lock assembly terminals.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace back door lock assembly. Refer to 

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

.

Back door lock assembly

Condition

Continuity

Terminal

3

4

Door switch

Pressed

No

Released

Yes

DLK-176

< DTC/CIRCUIT DIAGNOSIS >

DOOR LOCK AND UNLOCK SWITCH

DOOR LOCK AND UNLOCK SWITCH

DRIVER SIDE
DRIVER SIDE : Description

INFOID:0000000009175717

Transmits door lock/unlock operation to BCM.

DRIVER SIDE : Component Function Check

INFOID:0000000009175718

1.

CHECK FUNCTION

With CONSULT

Check CDL LOCK SW, CDL UNLOCK SW in Data Monitor mode with CONSULT.

Is the inspection result normal?

YES

>> Door lock and unlock switch is OK.

NO

>> With LH and RH anti-pinch, refer to 

DLK-176, "DRIVER SIDE : Diagnosis Procedure (With LH and

RH Auto Down)"

.

NO

>> With LH anti-pinch only, refer to 

DLK-177, "DRIVER SIDE : Diagnosis Procedure (With LH Auto

Down Only)"

.

DRIVER SIDE : Diagnosis Procedure (With LH and RH Auto Down)

INFOID:0000000009175719

Regarding Wiring Diagram information, refer to 

DLK-61, "Wiring Diagram"

.

1.

CHECK POWER WINDOW SWITCH OUTPUT SIGNAL

1. Read voltage signal between BCM connector and ground with oscilloscope when door lock and unlock

switch (driver side) is turned “LOCK” or “UNLOCK”.

2. Check that signals which are shown in the figure below can be detected during 10 second just after door

lock and unlock switch (driver side) is turned “LOCK” or “UNLOCK”.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> GO TO 2

2.

CHECK POWER WINDOW SWITCH GROUND 

1. Turn ignition switch OFF.

Monitor item

Condition

CDL LOCK SW 

LOCK

: ON

UNLOCK

: OFF

CDL UNLOCK SW 

LOCK

: OFF

UNLOCK

: ON

Terminal

Condition

Signal

(Reference value)

(+)

(–)

BCM connector

Terminal 

M19

54

Ground

Door is closed

PIIA1297E

DOOR LOCK AND UNLOCK SWITCH

DLK-177

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

2. Disconnect main power window and door lock/unlock switch connector.

3. Check continuity between main power window and door lock/unlock switch connector and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness.

3.

CHECK POWER WINDOW SERIAL LINK CIRCUIT

1. Disconnect BCM connector.

2. Check continuity between BCM connector and main power window and door lock/unlock switch connec-

tor.

3. Check continuity between BCM connector and ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Repair or replace harness.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-49, "Intermittent Incident"

.

>> Inspection End.

DRIVER SIDE : Diagnosis Procedure (With LH Auto Down Only)

INFOID:0000000009175720

Regarding Wiring Diagram information, refer to 

DLK-61, "Wiring Diagram"

.

1.

CHECK POWER WINDOW SWITCH OUTPUT SIGNAL

1. Turn ignition switch ON.

2. Check voltage at the main power window and door lock/unlock switch connector when the switch (driver

side) is turned to “LOCK” or “UNLOCK”.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> GO TO 2

2.

CHECK POWER WINDOW SWITCH GROUND 

Main power window and door 

lock/unlock switch connector

Terminal

Continuity 

D25

1

Ground

Yes

BCM connector

Terminal

Main power window 

and door lock/unlock 

switch connector

Terminal

Continuity 

M19

54

 

D25

11

Yes

BCM connector

Terminals

Continuity 

 M19

54

Ground

No

Connector

Main power window and 

door lock/unlock switch 

state

Terminal

Voltage 

D23

Neutral 

→ Unlock

15

Ground Battery voltage 

→ 0

Neutral 

→ Lock

3