Nissan Note E12. Manual - part 142

DLK-72

< DTC/CIRCUIT DIAGNOSIS >

DOOR LOCK ACTUATOR

Is the inspection result normal?

YES

>> Replace rear door lock actuator RH.

NO

>> GO TO 2.

2.

CHECK DOOR LOCK ACTUATOR CIRCUIT

1. Disconnect BCM connector and all door lock actuator connectors.

2. Check continuity between BCM harness connector and rear door lock actuator 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 rear door lock actuator RH harness connector and ground.

Is the inspection result normal?

YES

>> Check for internal short of each door lock actuator.

NO

>> Replace BCM. Refer to 

BCS-67, "Removal and Installation"

.

BACK DOOR
BACK DOOR : Description

INFOID:0000000009519658

Locks/unlocks the door with the signal from BCM.

BACK DOOR : Component Function Check

INFOID:0000000009519659

1.

CHECK FUNCTION

1. Use CONSULT to perform Active Test (“DOOR LOCK”).

2. Touch “ALL LOCK” or “ALL UNLK” to check that it works normally.
Is the inspection result normal?

(+)

(–)

Condition

Voltage

(Approx.)

Rear door lock actuator RH

Connector

Terminal

D305

2

Ground

Door lock and unlock switch

Lock

12 V

1

Unlock

BCM

Rear door lock actuator RH

Continuity 

Connector

Terminal

Connector

Terminal

M99

65

D305

2

Yes

55

1

BCM

Ground

Continuity 

Connector

Terminal

M99

65

No

55

(+)

(–)

Condition

Voltage

(Approx.)

BCM

Connector

Terminal

M99

65

Ground

Door lock and unlock switch

Lock

12 V

55

Unlock

DOOR LOCK ACTUATOR

DLK-73

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

YES

>> Back door lock actuator is OK.

NO

>> Refer to 

DLK-73, "BACK DOOR : Diagnosis Procedure"

.

BACK DOOR : Diagnosis Procedure

INFOID:0000000009519660

Regarding Wiring Diagram information, refer to 

DLK-28, "POWER DOOR LOCK SYSTEM : Wiring Diagram"

.

1.

CHECK BACK DOOR LOCK ACTUATOR INPUT SIGNAL

1. Turn ignition switch OFF.

2. Disconnect back door lock actuator connector.

3. Check voltage between back door lock actuator harness connector and ground.

Is the inspection result normal?

YES

>> Replace back door lock actuator. Refer to 

DLK-153, "Exploded View"

.

NO-1 >> GO TO 2 (lock signal).

NO-2 >> GO TO 3 (unlock signal).

2.

CHECK BACK DOOR LOCK ACTUATOR LOCK CIRCUIT

1. Disconnect BCM connector and all door lock actuator connectors.

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

3. Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-67, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK BACK DOOR LOCK ACTUATOR UNLOCK CIRCUIT

1. Disconnect back door lock actuator relay connector.

2. Check continuity between back door lock actuator relay harness connector and back door lock actuator

harness connector. 

3. Check continuity between BCM harness connector and ground.

Is the inspection result normal?

(+)

(–)

Condition

Voltage (V)

(Approx.)

Back door lock actuator

Connector

Terminal

D505

1

Ground

Door lock and unlock switch

Unlock

0 

→ Battery voltage → 0

2

Lock

0 

→ Battery voltage → 0

BCM

Back door lock actuator

Continuity 

Connector

Terminal

Connector

Terminal

M99

65

D505

2

Yes

BCM

Ground

Continuity 

Connector

Terminal

M99

65

No

Back door lock actuator relay

Back door lock actuator

Continuity 

Connector

Terminal

Connector

Terminal

M41

3

D505

1

Yes

Back door lock actuator relay

Ground

Continuity 

Connector

Terminal

M41

3

No

DLK-74

< DTC/CIRCUIT DIAGNOSIS >

DOOR LOCK ACTUATOR

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK INTERMITTENT INCIDENT

Check intermittent incident.

Refer to 

GI-41, "Intermittent Incident"

>> Inspection End.

BACK DOOR LOCK ACTUATOR RELAY

DLK-75

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

BACK DOOR LOCK ACTUATOR RELAY

Description

INFOID:0000000009519998

Controls back door lock actuator lock/unlock operation.

Component Function Check

INFOID:0000000009519999

1.

CHECK FUNCTION

1. Use CONSULT to perform Active Test (“DOOR LOCK”).

2. Touch “ALL LOCK” or “ALL UNLK” to check that it works normally.
Is the inspection result normal?

YES

>> Back door lock actuator relay is OK.

NO

>> Refer to 

DLK-75, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009520000

Regarding Wiring Diagram information, refer to 

DLK-28, "POWER DOOR LOCK SYSTEM : Wiring Diagram"

.

1.

CHECK FUSE

1. Turn ignition switch OFF.

2. Check 10 A fuse, [No. 8, located in fuse block (J/B)].
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.

2.

CHECK BACK DOOR LOCK ACTUATOR RELAY POWER CIRCUIT

1. Remove back door lock actuator relay.

2. Check voltage between back door lock actuator relay harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK BACK DOOR LOCK ACTUATOR RELAY CIRCUIT 1

1. Install the back door lock actuator relay.

2. Check voltage between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO-1 (when voltage is fixed at 12V)>>Replace BCM. Refer to 

BCS-67, "Removal and Installation"

.

NO-2 (when voltage is fixed at 0V)>>GO TO 4.

4.

CHECK BACK DOOR LOCK ACTUATOR RELAY CIRCUIT 1

(+)

(–)

Voltage (V)

(Approx.)

Back door lock actuator relay

 Connector

Terminal 

M41

1

Ground

Battery voltage

5

(+)

(–)

 Condition

Voltage (V)

(Approx.)

BCM

 Connector

Terminal 

M100

50

Ground

Door lock and un-
lock switch

LOCK

Battery voltage

UNLOCK 0