Nissan Quest E52. Manual - part 385

DLK-254

< DTC/CIRCUIT DIAGNOSIS >

SLIDING DOOR LOCK ACTUATOR

Is the inspection result normal?

YES

>> Replace sliding door lock assembly.

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 sliding door lock assembly RH 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 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"

.

WITH AUTOMATIC SLIDING DOOR : Component Inspection

INFOID:0000000009649162

1.

CHECK SELECTIVE UNLOCK RELAY

1.

Turn ignition switch OFF.

2.

Remove selective unlock relay.

(+)

(–)

Condition

Voltage

Sliding door lock assembly RH

Connector

Terminal

D105

1

Ground

Door lock and unlock switch

Lock

9 - 16 V

2

Unlock

BCM

Sliding door lock assembly RH

Continuity 

Connector

Terminal

Connector

Terminal

M123

65

D105

1

Existed

M122

55

2

BCM

Ground

Continuity 

Connector

Terminal

M123

65

Not existed

M122

55

(+)

(–)

Condition

Voltage

BCM

Connector

Terminal

M123

65

Ground

Door lock and unlock switch

Lock

9 - 16 V

M122

55

Unlock

SLIDING DOOR LOCK ACTUATOR

DLK-255

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

3.

Check the continuity between selective unlock relay terminals
under the following conditions.

Is the inspection result normal?

YES

>> INSPECTION END.

NO

>> Replace selective unlock relay.

WITHOUT AUTOMATIC SLIDING DOOR

WITHOUT AUTOMATIC SLIDING DOOR : Component Function Check

INFOID:0000000009649163

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"

.

WITHOUT AUTOMATIC SLIDING DOOR : Diagnosis Procedure

INFOID:0000000009649164

1.

CHECK DOOR LOCK ACTUATOR INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect sliding door lock assembly LH connector and sliding door lock assembly RH connector.

3.

Check voltage between sliding door lock assembly LH/RH 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.

Disconnect BCM, all door lock actuators connector.

2.

Check continuity between BCM harness connector and sliding door lock assembly LH/RH harness con-
nector. 

Terminal

Condition

Continuity

4

3

No current supply

Existed

12 V direct current supply between ter-
minals 1 and 2.

Not existed

5

12 V direct current supply between ter-
minals 1 and 2.

Existed

No current supply

Not existed

JMLIA0997ZZ

(+)

(–)

Condition

Voltage

Sliding door lock assembly

Connector

Terminal

LH

D85

2

Ground

Door lock and unlock 
switch

Lock

9 - 16 V

1

Unlock

RH

D105

1

Lock

2

Unlock

DLK-256

< DTC/CIRCUIT DIAGNOSIS >

SLIDING DOOR LOCK ACTUATOR

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 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 each door lock actuator and fuel lid lock actuator.

NO

>> Replace BCM. Refer to 

BCS-98, "Removal and Installation"

.

BCM

Sliding door lock assembly

Continuity 

Connector

Terminal

Connector

Terminal

LH

M123

65

D85

2

Existed

M122

55

1

RH

M123

65

D105

1

M122

55

2

BCM

Ground

Continuity 

Connector

Terminal

M123

65

Not existed

M122

55

(+)

(–)

Condition

Voltage

BCM

Connector

Terminal

M123

65

Ground

Door lock and unlock switch

Lock

9 - 16 V

M122

55

Unlock

SELECT UNLOCK RELAY

DLK-257

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

SELECT UNLOCK RELAY

Component Function Check

INFOID:0000000009649165

1.

CHECK FUNCTION

1.

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

2.

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

3.

Touch “ALL UNLK” to check that it works normally of sliding door LH.

Is the inspection result normal?

YES

>> Selective unlock relay is OK.

NO

>> Refer to 

DLK-257, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009649166

1.

CHECK SELECTIVE UNLOCK RELAY POWER SUPPLY 1

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

3.

Check voltage between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> GO TO 2.

2.

CHECK SELECTIVE UNLOCK RELAY POWER SUPPLY 2

1.

Disconnect selective unlock relay connector.

2.

Check voltage between selective unlock relay and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 3.

3.

DETECT MALFUNCTIONING PART

Check the following.
• 10 A fuse (#6)
• Harness for open or short between selective unlock relay harness connector and battery terminal.
Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace the malfunctioning parts.

4.

CHECK SELECTIVE UNLOCK RELAY CIRCUIT

1.

Disconnect BCM connector.

2.

Check continuity between selective unlock relay harness connector and BCM harness connector.

(+)

(

−

)

Voltage  (V)

BCM

Connector

Terminal

M122

50

Ground

9 - 16 V

(+)

(

−

)

Voltage  (V)

Selective unlock relay

Connector

Terminal

M91

1

Ground

9 - 16 V

5