Nissan Note E12. Manual - part 143

DLK-76

< DTC/CIRCUIT DIAGNOSIS >

BACK DOOR LOCK ACTUATOR RELAY

1. Disconnect BCM connector.

2. Check voltage between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-67, "Removal and Installation"

.

NO

>> GO TO 5.

5.

CHECK BACK DOOR LOCK ACTUATOR RELAY CIRCUIT 2

1. Remove back door lock actuator relay.

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

3. Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace back door lock actuator relay.

NO

>> Repair or replace harness.

6.

CHECK BACK DOOR LOCK ACTUATOR RELAY GROUND CIRCUIT 

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

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Repair or replace harness. 

7.

CHECK BACK DOOR LOCK ACTUATOR RELAY

Check back door lock actuator relay.Refer to 

DLK-76, "Component Inspection"

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Replace back door lock actuator relay.

8.

CHECK INTERMITTENT INCIDENT

Check intermittent incident.

Refer to 

GI-41, "Intermittent Incident"

>> Inspection End.

Component Inspection

INFOID:0000000009520001

1.

CHECK BACK DOOR LOCK ACTUATOR RELAY

1. Turn ignition switch OFF.

2. Remove back door lock actuator relay.

(+)

(–)

Voltage (V)

(Approx.)

BCM

 Connector

Terminal 

M100

50

Ground

Battery voltage

Back door lock actuator relay

BCM

Continuity 

Connector

Terminal

Connector

Terminal

M41

2

M100

50

Yes

Back door lock actuator relay

Ground

Continuity

Connector

Terminal

M41

2

No

Back door lock actuator relay

Ground

Continuity

Connector

Terminal

M41

4

Yes

BACK DOOR LOCK ACTUATOR RELAY

DLK-77

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

3. Check continuity between back door lock actuator relay terminals.

Is the inspection result normal?

YES

>> Inspection End

NO

>> Replace back door lock actuator relay.

Back door lock actua-

tor relay

Condition

Continuity

Terminal

3

4

12 V direct current supply between termi-
nals 1 and 2

No

No current supply

Yes

5

12 V direct current supply between termi-
nals 1 and 2

Yes

No current supply

No

DLK-78

< DTC/CIRCUIT DIAGNOSIS >

DOOR LOCK AND UNLOCK SWITCH

DOOR LOCK AND UNLOCK SWITCH

Component Function Check

INFOID:0000000009515857

1.

CHECK FUNCTION

1. Select DOOR LOCK of BCM using CONSULT.

2. Select CDL LOCK SW, CDL UNLOCK SW in DATA MONITOR mode.

3. Check that the function operates normally according to the following conditions.

Is the inspection result normal?

YES

>> Main power window and door lock/unlock switch is OK.

NO

>> Refer to 

DLK-78, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009515858

Regarding Wiring Diagram information, refer to 

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

.

1.

CHECK DOOR LOCK AND UNLOCK SWITCH INPUT SIGNAL

1. Turn ignition switch OFF.

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

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

using oscilloscope.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK DOOR LOCK AND UNLOCK SWITCH CIRCUIT

1. Disconnect BCM connector.

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

harness connector.

3. Check continuity between BCM harness connector and ground.

Monitor item

Condition

Status

CDL LOCK SW

Main power window and door 
lock/unlock switch

LOCK

ON

UNLOCK

OFF

CDL UNLOCK SW

LOCK

OFF

UNLOCK

ON

(+)

(–)

Signal

(Reference value)

Main power window and door lock/unlock switch

Connector

Terminal 

D7

6

Ground

1.0 - 1.5 V

D8

18

JPMIA0012GB

BCM

Main power window and door lock/unlock switch

Continuity 

Connector

Terminal

Connector

Terminal

M18

12

D8

18

Yes

13

D7

6

DOOR LOCK AND UNLOCK SWITCH

DLK-79

< 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-67, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK DOOR LOCK AND UNLOCK SWITCH GROUND 

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

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK DOOR LOCK AND UNLOCK SWITCH

Refer to 

DLK-79, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace main power window and door lock/unlock switch. Refer to 

PWC-44, "Removal and Instal-

lation"

.

5.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-41, "Intermittent Incident"

.

>> Inspection End.

Component Inspection

INFOID:0000000009515859

1.

CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH

1. Turn ignition switch OFF.

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

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

Is the inspection result normal?

YES

>> Inspection End

NO

>> Replace main power window and door lock/unlock switch. Refer to 

PWC-44, "Removal and Instal-

lation"

.

BCM

Ground

Continuity

Connector

Terminal

M18

12

No

13

Main power window and door lock/unlock switch

Ground

Continuity 

Connector

Terminal

D8

17

Yes

Main power window and door lock/unlock switch

Condition

Continuity

Terminal

6

17

Main power window 
and door lock/ unlock 
switch

LOCK

No

UNLOCK

Yes

18

LOCK

Yes

UNLOCK

No