Nissan Leaf. Instruction — part 398

DOOR KEY CYLINDER SWITCH

DLK-87

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

DOOR KEY CYLINDER SWITCH

Component Function Check

INFOID:0000000010119763

1.

CHECK FUNCTION

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

2. Select “KEY CYL LK SW”, “KEY CYL UN-SW” in “Data Monitor”.

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

Is the inspection result normal?

YES

>> Door key cylinder switch is OK.

NO

>> Refer to

DLK-87, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010119764

Regarding Wiring Diagram information, refer to

DLK-44, "Wiring Diagram"

.

1.

CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL

1. Turn power switch OFF.

2. Disconnect front door lock assembly (LH) connector.

3. Check voltage between front door lock assembly (LH) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK DOOR KEY CYLINDER SWITCH SIGNAL CIRCUIT

1. Disconnect BCM connector.

2. Check continuity between BCM harness connector and front door lock assembly (LH) harness connector.

Monitor item

Condition

Status

KEY CYL LK-SW

Driver side door key cylinder

Lock

ON

Neutral / Unlock

OFF

KEY CYL UN-SW

Unlock

ON

Neutral / Lock

OFF

(+)

(–)

Voltage (V)

(Approx.)

Front door lock assembly (LH)

Connector

Terminal

D38

5

Ground

7.0 - 8.0 V

6

PKIB4960J

BCM

Front door lock assembly (LH)

Continuity

Connector

Terminal

Connector

Terminal

M24

7

D38

5

Yes

8

6

DLK-88

< DTC/CIRCUIT DIAGNOSIS >

DOOR KEY CYLINDER SWITCH

3. Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to

BCS-72, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK DOOR KEY CYLINDER SWITCH GROUND CIRCUIT

Check continuity between front door lock assembly (LH) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK DOOR KEY CYLINDER SWITCH

Refer to

DLK-88, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace front door lock assembly (LH). Refer to

DLK-193, "OUTSIDE HANDLE : Removal and

Installation"

.

5.

CHECK INTERMITTENT INCIDENT

Refer to

GI-53, "Intermittent Incident"

.

>> Inspection End.

Component Inspection

INFOID:0000000010119765

1.

CHECK DOOR KEY CYLINDER SWITCH

1. Turn power switch OFF.

2. Disconnect front door lock assembly (LH) terminal.

3. Check continuity between front door lock assembly (LH) terminals.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace front door lock assembly (LH). Refer to

DLK-193, "OUTSIDE HANDLE : Removal and

Installation"

.

BCM

Ground

Continuity

Connector

Terminal

M24

7

No

8

Front door lock assembly (LH)

Ground

Continuity

Connector

Terminal

D38

4

Yes

Front door lock assembly (LH)

Condition

Continuity

Terminal

5

4

LH door key cylinder

Unlock

Yes

Neutral / Lock

No

6

Lock

Yes

Neutral / Unlock

No

DOOR LOCK ACTUATOR

DLK-89

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

DOOR LOCK ACTUATOR

DRIVER SIDE
DRIVER SIDE : Component Function Check

INFOID:0000000010119766

1.

CHECK FUNCTION

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

2. Select “DOOR LOCK” in “Active Test”.

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-89, "DRIVER SIDE : Diagnosis Procedure"

.

DRIVER SIDE : Diagnosis Procedure

INFOID:0000000010119767

Regarding Wiring Diagram information, refer to

DLK-44, "Wiring Diagram"

.

1.

CHECK DOOR LOCK ACTUATOR INPUT SIGNAL

1. Turn power switch OFF.

2. Disconnect front door lock assembly (LH) connector.

3. Check voltage between front door lock assembly (LH) harness connector and ground.

Is the inspection result normal?

YES

>> Replace front door lock assembly (LH). Refer to

DLK-192, "DOOR LOCK : Removal and Installa-

tion"

.

NO

>> GO TO 2.

2.

CHECK DOOR LOCK ACTUATOR CIRCUIT

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

2. Check continuity between BCM harness connector and front 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.

(+)

(–)

Condition

Voltage

(Approx.)

Front door lock assembly

(LH)

Connector

Terminal

D38

1

Ground

Door lock and unlock switch

Lock

Battery voltage

2

Unlock

BCM

Front door lock assembly (LH)

Continuity

Connector

Terminal

Connector

Terminal

M25

65

D38

1

Yes

66

2

BCM

Ground

Continuity

Connector

Terminal

M25

65

No

66

DLK-90

< DTC/CIRCUIT DIAGNOSIS >

DOOR LOCK ACTUATOR

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.

NO

>> Replace BCM. Refer to

BCS-72, "Removal and Installation"

.

PASSENGER SIDE
PASSENGER SIDE : Component Function Check

INFOID:0000000010119768

1.

CHECK FUNCTION

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

2. Select “DOOR LOCK” in “Active Test”.

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

Is the inspection result normal?

YES

>> Door lock actuator is OK.

NO

>> Refer to

DLK-89, "DRIVER SIDE : Diagnosis Procedure"

.

PASSENGER SIDE : Diagnosis Procedure

INFOID:0000000010119769

Regarding Wiring Diagram information, refer to

DLK-44, "Wiring Diagram"

.

1.

CHECK DOOR LOCK ACTUATOR INPUT SIGNAL

1. Turn power switch OFF.

2. Disconnect front door lock actuator RH connector.

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

Is the inspection result normal?

YES

>> Replace front door lock actuator RH. Refer to

DLK-192, "DOOR LOCK : Removal and Installa-

tion"

.

NO

>> GO TO 2.

2.

CHECK DOOR LOCK ACTUATOR CIRCUIT

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

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

(+)

(–)

Condition

Voltage

(Approx.)

BCM

Connector

Terminal

M25

65

Ground

Door lock and unlock switch

Lock

Battery voltage

66

Unlock

Monitor item

Status

DOOR LOCK

ALL LOCK

Door lock actuators

LOCK

ALL UNLK

UNLOCK

(+)

(–)

Condition

Voltage

(Approx.)

Front door lock actuator RH

Connector

Terminal

D107

5

Ground

Door lock and unlock switch

Lock

Battery voltage

6

Unlock