Nissan Quest E52. Manual - part 384

DLK-250

< DTC/CIRCUIT DIAGNOSIS >

DOOR LOCK ACTUATOR

Is the inspection result normal?

YES

>> Check for internal short of door lock actuator.

NO

>> Replace BCM. Refer to 

BCS-98, "Removal and Installation"

.

PASSENGER SIDE

PASSENGER SIDE : Component Function Check

INFOID:0000000009649158

1.

CHECK FUNCTION

1.

Select “DOOR LOCK” of “BCM” using CONSULT.

2.

Select “DOOR LOCK” in “ACTIVE TEST” mode.

3.

Touch “ALL LOCK” or “ALL UNLK” to check that it works normally.

Is the inspection result normal?

YES

>> Door lock actuator is OK.

NO

>> Refer to 

DLK-250, "PASSENGER SIDE : Diagnosis Procedure"

.

PASSENGER SIDE : Diagnosis Procedure

INFOID:0000000009649159

1.

CHECK DOOR LOCK ACTUATOR INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect front door lock assembly (passenger side) connector.

3.

Check voltage between front door lock assembly (passenger side) harness connector and ground.

Is the inspection result normal?

YES

>> Replace front door lock assembly (passenger side).

NO

>> GO TO 2.

2.

CHECK DOOR LOCK ACTUATOR CIRCUIT

1.

Disconnect BCM, all door lock actuators connector. 

2.

Check continuity between BCM harness connector and front door lock assembly (passenger side) har-
ness connector. 

3.

Check continuity between BCM harness connector and ground.

(+)

(–)

Condition

Voltage

BCM

Connector

Terminal

M123

65

Ground

Door lock and unlock switch

Lock

9 - 16 V

66

Unlock

(+)

(–)

Condition

Voltage

Front door lock assembly

(passenger side)

Connector

Terminal

D9

5

Ground

Door lock and unlock switch

Lock

9 - 16 V

6

Unlock

BCM

Front door lock assembly (passenger side)

Continuity 

Connector

Terminal

Connector

Terminal

M123

65

D9

5

Existed

59

6

DOOR LOCK ACTUATOR

DLK-251

< 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

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK BCM OUTPUT SIGNAL

1.

Connect BCM connector.

2.

Check voltage between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Check for internal short of door lock actuator.

NO

>> Replace BCM. Refer to 

BCS-98, "Removal and Installation"

.

BCM

Ground

Continuity 

Connector

Terminal

M123

65

Not existed

59

(+)

(–)

Condition

Voltage

BCM

Connector

Terminal

M123

65

Ground

Door lock and unlock switch

Lock

9 - 16 V

59

Unlock

DLK-252

< DTC/CIRCUIT DIAGNOSIS >

SLIDING DOOR LOCK ACTUATOR

SLIDING DOOR LOCK ACTUATOR

WITH AUTOMATIC SLIDING DOOR

WITH AUTOMATIC SLIDING DOOR : Component Function Check

INFOID:0000000009649160

1.

CHECK FUNCTION

1.

Select “DOOR LOCK” of “BCM” using CONSULT.

2.

Select “DOOR LOCK” in “ACTIVE TEST” mode.

3.

Touch “ALL LOCK” or “ALL UNLK” to check that it works normally.

Is the inspection result normal?

YES

>> Door lock actuator is OK.

NO

>> Refer to 

DLK-255, "WITHOUT AUTOMATIC SLIDING DOOR : Diagnosis Procedure"

.

WITH AUTOMATIC SLIDING DOOR : Diagnosis Procedure

INFOID:0000000009649161

Sliding door lock assembly LH

1.

CHECK DOOR LOCK ACTUATOR INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect sliding door lock assembly LH connector.

3.

Check voltage between sliding door lock assembly LH harness connector and ground.

Is the inspection result normal?

YES

>> Replace sliding door lock assembly.

NO

>> GO TO 2.

2.

CHECK DOOR LOCK ACTUATOR CIRCUIT 1

1.

Disconnect BCM, all door lock actuators connector.

2.

Check continuity between BCM harness connector and sliding door lock assembly LH harness connector. 

3.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK DOOR LOCK ACTUATOR CIRCUIT 2

1.

Disconnect selective unlock relay connector.

2.

Check continuity between selective unlock relay harness connector and sliding door lock assembly LH
harness connector. 

(+)

(–)

Condition

Voltage

Sliding door lock assembly LH

Connector

Terminal

D85

2

Ground

Door lock and unlock switch

Lock

9 - 16 V

1

Unlock

BCM

Sliding door lock assembly LH

Continuity 

Connector

Terminal

Connector

Terminal

M123

65

D85

2

Existed

BCM

Ground

Continuity 

Connector

Terminal

M123

65

Not existed

SLIDING DOOR LOCK ACTUATOR

DLK-253

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

3.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK SELECTIVE UNLOCK RELAY GROUND CIRCUIT

1.

Disconnect selective unlock relay connector.

2.

Check continuity between selective unlock relay harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace harness.

5.

CHECK SELECTIVE UNLOCK RELAY 

Check selective unlock relay.
Refer to 

DLK-258, "Component Inspection"

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Replace selective unlock relay.

6.

CHECK BCM OUTPUT SIGNAL

1.

Connect BCM connector.

2.

Check voltage between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Check for internal short of door lock actuator.

NO

>> Replace BCM. Refer to 

BCS-98, "Removal and Installation"

.

Sliding door lock assembly RH

1.

CHECK DOOR LOCK ACTUATOR INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect sliding door lock assembly RH connector.

3.

Check voltage between sliding door lock assembly RH harness connector and ground.

Selective unlock relay

Sliding door lock assembly LH

Continuity 

Connector

Terminal

Connector

Terminal

M91

3

D85

1

Existed

Selective unlock relay

Ground

Continuity 

Connector

Terminal

M91

3

Not existed

Selective unlock relay

Ground

Continuity

Connector

Terminal

M91

4

Existed

(+)

(–)

Condition

Voltage

BCM

Connector

Terminal

M123

65

Ground

Door lock and un-
lock switch

Lock

9 - 16 V

M122

50

Unlock

0 V

Other than above

9 - 16 V