Nissan Leaf. Manual - part 1301

WW-32

< DTC/CIRCUIT DIAGNOSIS >

FRONT WIPER MOTOR GROUND CIRCUIT

FRONT WIPER MOTOR GROUND CIRCUIT

Diagnosis Procedure

INFOID:0000000010585744

Regarding Wiring Diagram information, refer to 

WW-19, "Wiring Diagram"

.

1.

CHECK FRONT WIPER MOTOR GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect front wiper motor connector.

3. Check continuity between front wiper motor harness connector and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair or replace harness.

Front wiper motor

Ground

Continuity

Connector

Terminal

E32

2

Yes

WASHER MOTOR CIRCUIT

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< DTC/CIRCUIT DIAGNOSIS >

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E

F

G

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A

B

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N

O

P

WASHER MOTOR CIRCUIT

Diagnosis Procedure

INFOID:0000000010585745

Regarding Wiring Diagram information, refer to 

WW-19, "Wiring Diagram"

.

1.

 CHECK FRONT AND REAR WASHER MOTOR FUSE

1. Turn the ignition switch OFF.

2. Check the following fuse is not blown.

Is the fuse blown?

YES

>> Replace the fuse after repairing the affected circuit.

NO

>> GO TO 2.

2.

 CHECK FRONT AND REAR WASHER MOTOR POWER SUPPLY

1. Disconnect the front and rear washer motor.

2. Turn ignition switch ON.

3. Check voltage between front and rear washer motor harness connector and ground.

Front washer motor signal operation

Rear washer motor signal operation

Is the inspection result normal?

YES

>> Inspection End. 

NO

>> GO TO 3.

3.

 CHECK COMBINATION SWITCH

Check combination switch. Refer to 

WW-34, "Component Inspection"

.

Is the inspection result normal?

YES

>> Repair harness between fuse and the front and rear washer motor.

NO

>> Replace combination switch. Refer to 

BCS-73, "Removal and Installation"

.

Component

Capacity

Fuse No.

Location

Front and rear washer motor

10A

2

Fuse block (J/B)

Terminals

Washer switch

Voltage 

(Approx.)

(+)

(-)

Front and rear washer motor

Ground

Connector

Terminal

E41

1

ON

Battery voltage

OFF

0 V

Terminals

Washer switch

Voltage 

(Approx.)

(+)

(-)

Front and rear washer motor

Ground

Connector

Terminal

E41

2

ON

Battery voltage

OFF

0 V

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< DTC/CIRCUIT DIAGNOSIS >

WASHER SWITCH

WASHER SWITCH

Component Inspection

INFOID:0000000010122218

1.

CHECK WASHER SWITCH

1. Turn power switch OFF.

2. Disconnect combination switch connector.

3. Check continuity between the combination switch terminals.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace combination switch (Wiper and washer switch). Refer to 

BCS-73, "Removal and Installa-

tion"

.

A

:  Terminal  4

B

:  Terminal  6

C

:  Terminal  3

D

:  Terminal  1

JPLIA0164GB

Combination switch

Condition

Continuity

Terminal

3

4

Front washer switch ON

Yes

1

6

1

4

Rear washer switch ON

6

3

REAR WIPER MOTOR CIRCUIT

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< DTC/CIRCUIT DIAGNOSIS >

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REAR WIPER MOTOR CIRCUIT

Component Function Check

INFOID:0000000010585746

1.

CHECK REAR WIPER ON OPERATION

1. Select RR WIPER of BCM active test item.

2. With operating the test item, check rear wiper operation.

Is the inspection result normal?

YES

>> Rear wiper motor circuit is normal.

NO

>> Refer to 

WW-35, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010585747

Regarding Wiring Diagram information, refer to 

WW-19, "Wiring Diagram"

.

1.

CHECK REAR WIPER MOTOR OUTPUT VOLTAGE

1. Turn ignition switch OFF.

2. Disconnect rear wiper motor connector.

3. Turn ignition switch ON.

4. Select RR WIPER of BCM active test item.

5. While operating the test item, check voltage between rear wiper motor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK REAR WIPER MOTOR CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect BCM connector.

3. Check continuity between BCM harness connector and rear wiper motor harness connector.

4. 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 REAR WIPER MOTOR GROUND OPEN CIRCUIT

On

: Rear wiper ON operation

Off

: Stop the rear wiper.

(+)

(

−)

Condition

Voltage 

(Approx.)

Rear wiper motor

Connector

Terminal

D554

2

Ground

REAR WIPER

On

Battery voltage

Off

0 V

BCM

Rear wiper motor

Continuity

Connector

Terminal

Connector

Terminal

M29

54

D554

2

Yes

BCM

Ground

Continuity

Connector

Terminal

M29

54

No