Nissan Leaf. Manual - part 401

DOOR LOCK AND UNLOCK SWITCH

DLK-99

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

NO

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

PWC-61, "Removal and Installa-

tion"

.

DLK-100

< DTC/CIRCUIT DIAGNOSIS >

DOOR REQUEST SWITCH

DOOR REQUEST SWITCH

Component Function Check

INFOID:0000000010119780

1.

CHECK FUNCTION

1. Select “INTELLIGENT KEY” of “BCM” using CONSULT.

2. Select “REQ SW-DR”, “REQ SW-AS” in “Data Monitor”.

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

Is the inspection result normal?

YES

>> Door request switch is OK.

NO

>> Refer to 

DLK-100, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010119781

Regarding Wiring Diagram information, refer to 

DLK-44, "Wiring Diagram"

.

1.

CHECK DOOR REQUEST SWITCH INPUT SIGNAL

1. Turn power switch OFF.

2. Disconnect malfunctioning door request switch connector.

3. Check voltage between malfunctioning door request switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK DOOR REQUEST SWITCH CIRCUIT

1. Disconnect BCM connector.

2. Check continuity between malfunctioning door request switch harness connector and BCM harness con-

nector.

3. Check continuity between malfunctioning door request switch harness connector and ground.

Monitor item

Condition

Status

REQ SW -DR

LH door request switch

Pressed

ON

Released

OFF

REQ SW -AS

RH door request switch

Pressed

ON

Released

OFF

(+)

(–)

Voltage

(Approx.)

Door request switch

Connector

Terminal

LH

D15

1

Ground

Battery voltage

RH

D115

Door request switch

BCM

Continuity 

Connector

Terminal

Connector

Terminal

LH

D15

1

M23

75

Yes

RH

D115

100

DOOR REQUEST SWITCH

DLK-101

< 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-72, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK DOOR REQUEST SWITCH GROUND CIRCUIT

Check continuity between malfunctioning door request switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK DOOR REQUEST SWITCH

Refer to 

DLK-101, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace malfunctioning front outside handle (request switch). Refer to 

DLK-193, "OUTSIDE HAN-

DLE : Removal and Installation"

.

5.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-53, "Intermittent Incident"

.

>> Inspection End.

Component Inspection

INFOID:0000000010119782

1.

CHECK DOOR REQUEST SWITCH

1. Turn power switch OFF.

2. Disconnect malfunctioning door request switch connector.

3. Check continuity between malfunctioning door request switch terminals.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace malfunctioning Front outside handle (request switch). Refer to 

DLK-193, "OUTSIDE

HANDLE : Removal and Installation"

.

Door request switch

Ground

Continuity 

Connector

Terminal

LH

D15

1

No

RH

D115

Door request switch

Ground

Continuity 

Connector

Terminal

LH

D15

2

Yes

RH

D115

Door request switch

Condition

Continuity

Terminal

1

2

Door request switch

Pressed

Yes

Released

No

DLK-102

< DTC/CIRCUIT DIAGNOSIS >

DOOR SWITCH

DOOR SWITCH

Component Function Check

INFOID:0000000010119783

1.

CHECK FUNCTION

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

2. Select “DOOR SW-DR”, “DOOR SW-AS”, “DOOR SW-RL”, “DOOR SW-RR”, “DOOR SW-BK” in “Data

Monitor”.

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

Is the inspection result normal?

YES

>> Door switch is OK.

NO

>> Refer to 

DLK-102, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010119784

Regarding Wiring Diagram information, refer to 

DLK-44, "Wiring Diagram"

.

1.

CHECK DOOR SWITCH INPUT SIGNAL

1. Turn power switch OFF.

2. Disconnect malfunctioning door switch connector.

3. Check signal between malfunctioning door switch harness connector and ground using oscilloscope.

Is the inspection result normal?

YES-1 >> Back door: GO TO 3.

YES-2 >> Other door: GO TO 4.

NO

>> GO TO 2.

2.

CHECK DOOR SWITCH CIRCUIT

Monitor item

Condition

Status

DOOR SW-DR

Front door LH

Open

ON

Closed

OFF

DOOR SW-AS

Front door RH

Open

ON

Closed

OFF

DOOR SW-RL

Rear door LH

Open

ON

Closed

OFF

DOOR SW-RR

Rear door RH

Open

ON

Closed

OFF

DOOR SW-BK

Back door

Open

ON

Closed

OFF

(+)

(–)

Signal

(Reference value)

Door switch

Connector

Terminal

Front LH

B48

3

Ground

7.0 - 8.0 V

Front RH

B49

Rear LH

B71

Rear RH

B53

Back door

D562

PKIB4960J