Nissan Leaf. Manual - part 1300

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< DTC/CIRCUIT DIAGNOSIS >

WIPER AND WASHER FUSE

DTC/CIRCUIT DIAGNOSIS

WIPER AND WASHER FUSE

Diagnosis Procedure

INFOID:0000000010122210

1.

CHECK FUSES

Check that the following fuses are not blown.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace the fuse after repairing the affected circuit.

Unit

Location

No.

Capacity

Front wiper motor

IPDM E/R

45

30 A

Front and rear washer motor

Fuse block (J/B)

2

10 A

FRONT WIPER MOTOR LO CIRCUIT

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< DTC/CIRCUIT DIAGNOSIS >

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FRONT WIPER MOTOR LO CIRCUIT

Component Function Check

INFOID:0000000010585738

1.

CHECK FRONT WIPER LO OPERATION

1. Select FRONT WIPER of IPDM E/R active test item.

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

Is front wiper (LO) operation normal?

YES

>> Front wiper motor LO circuit is normal.

NO

>> Refer to 

WW-29, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010585739

Regarding Wiring Diagram information, refer to 

WW-19, "Wiring Diagram"

.

1.

CHECK FRONT WIPER MOTOR (LO) OUTPUT VOLTAGE

1. Turn ignition switch OFF.

2. Disconnect front wiper motor connector.

3. Turn ignition switch ON.

4. Select FRONT WIPER of IPDM E/R active test item.

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

Is the inspection result normal?

YES

>> Replace front wiper motor. Refer to 

WW-54, "Removal and Installation"

. 

NO

>> GO TO 2.

2.

CHECK FRONT WIPER MOTOR (LO) CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect IPDM E/R connector.

3. Check continuity between IPDM E/R harness connector and front wiper motor harness connector.

4. Check continuity between IPDM E/R harness connector and ground.

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-29, "Removal and Installation"

.

NO

>> Repair or replace harness.

Lo

: Front wiper (LO) operation

Off

: Stop the front wiper.

(+)

(

−)

Condition

Voltage 

(Approx.)

Front wiper motor

Connector

Terminal

E32

1

Ground

FRONT WIPER

Lo

Battery voltage

Off

0 V

IPDM E/R

Front wiper motor

Continuity

Connector

Terminal

Connector

Terminal

E14

45

E32

1

Yes

IPDM E/R

Ground

Continuity

Connector

Terminal

E14

45

No

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< DTC/CIRCUIT DIAGNOSIS >

FRONT WIPER MOTOR HI CIRCUIT

FRONT WIPER MOTOR HI CIRCUIT

Component Function Check

INFOID:0000000010585740

1.

CHECK FRONT WIPER HI OPERATION

1. Select FRONT WIPER of IPDM E/R active test item.

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

Is the inspection result normal?

YES

>> Front wiper motor HI circuit is normal.

NO

>> Refer to 

WW-30, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010585741

Regarding Wiring Diagram information, refer to 

WW-19, "Wiring Diagram"

.

1.

CHECK FRONT WIPER MOTOR (HI) OUTPUT VOLTAGE

1. Turn ignition switch OFF.

2. Disconnect front wiper motor connector.

3. Turn ignition switch ON.

4. Select FRONT WIPER of IPDM E/R active test item.

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

Is the inspection result normal?

YES

>> Replace front wiper motor. Refer to 

WW-54, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK FRONT WIPER MOTOR (HI) CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect IPDM E/R connector.

3. Check continuity between IPDM E/R harness connector and front wiper motor harness connector.

4. Check continuity between IPDM E/R harness connector and ground.

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer 

PCS-29, "Removal and Installation"

.

NO

>> Repair or replace harness.

Hi

: Front wiper (HI) operation

Off

: Stop the front wiper.

(+)

(

−)

Condition

Voltage

 (Approx.)

Front wiper motor

Connector

Terminal

E32

4

Ground

FRONT WIPER

Hi

Battery voltage

Off

0 V

IPDM E/R

Front wiper motor

Continuity

Connector

Terminal

Connector

Terminal

E14

39

E32

4

Yes

IPDM E/R

Ground

Continuity

Connector

Terminal

E14

39

No

FRONT WIPER STOP POSITION SIGNAL CIRCUIT

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FRONT WIPER STOP POSITION SIGNAL CIRCUIT

Component Function Check

INFOID:0000000010585742

1.

CHECK FRONT WIPER STOP POSITION SIGNAL

1. Select WIP AUTO STOP of IPDM E/R data monitor item.

2. Operate the front wiper.

3. With the front wiper operation, check the monitor status.

Is the inspection result normal?

YES

>> Front wiper stop position signal circuit is normal.

NO

>> Refer to 

WW-31, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010585743

Regarding Wiring Diagram information, refer to 

WW-19, "Wiring Diagram"

.

1.

CHECK IPDM E/R OUTPUT VOLTAGE

1. Turn ignition switch OFF.

2. Disconnect front wiper motor connector.

3. Turn ignition switch ON.

4. Check voltage between front wiper motor harness connector and ground.

Is the inspection result normal?

YES

>> Replace front wiper motor. Refer to 

WW-54, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK FRONT WIPER STOP POSITION SIGNAL CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect IPDM E/R connector.

3. Check continuity between IPDM E/R harness connector and front wiper motor harness connector.

4. Check continuity between IPDM E/R harness connector and ground.

Is the inspection result normal?

YES

>> Replace IPDM E/R. Refer to 

PCS-29, "Removal and Installation"

.

NO

>> Repair or replace harness.

Monitor item

Condition

Monitor status

WIP AUTO STOP

Front wiper motor

Stop position

STOP P

Except stop position

ACT P

(+)

(

−)

Voltage 

(Approx.)

Front wiper motor

Connector

Terminal

E32

5

Ground

Battery voltage

IPDM E/R 

Front wiper motor

Continuity

Connector

Terminal

Connector

Terminal

E13

25

E32

5

Yes

IPDM E/R

Ground

Continuity

Connector

Terminal

E13

25

No