Nissan Maxima. Manual - part 1225

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< DTC/CIRCUIT DIAGNOSIS >

FRONT WIPER MOTOR GROUND CIRCUIT

FRONT WIPER MOTOR GROUND CIRCUIT

Diagnosis Procedure

INFOID:0000000010048956

Regarding Wiring Diagram information, refer to 

WW-63, "Wiring Diagram"

.

1.

CHECK FRONT WIPER MOTOR (GND) OPEN CIRCUIT

1. Turn the ignition switch OFF.

2. Disconnect front wiper motor.

3. Check continuity between front wiper motor harness connector

and ground.

Does continuity exist?

YES

>> Front wiper motor ground circuit is normal.

NO

>> Repair or replace harness.

Front wiper motor

Ground

Continuity

Connector

Terminal

E25

2

Yes

ALLIA0819ZZ

WASHER SWITCH

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C

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F

G

H

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A

B

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WASHER SWITCH

Description

INFOID:0000000010048957

• Washer switch is integrated with combination switch (wiper and washer switch).

• Combination switch (wiper and washer switch) supplies ground and fuse # 38 from the IPEM E/R supplies

power for the front washer motor to operate.

Component Inspection

INFOID:0000000010048958

Regarding Wiring Diagram information, refer to 

WW-63, "Wiring Diagram"

.

1.

 CHECK WASHER SWITCH

1. Turn the ignition switch OFF.

2. Disconnect combination switch (wiper and washer switch).

3. Check continuity between the combination switch (wiper and washer switch) terminals.

Is the measurement normal?

YES

>> Washer switch is normal.

NO

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

WW-85, "Removal and Installa-

tion"

.

ABLIA2945GB

A: Terminal 1
B: Terminal 6

ALLIA0546GB

Combination switch (wip-

er and washer switch)

Condition

Continuity

Terminal

1

6

Washer switch ON

Yes

Washer switch OFF

No

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< DTC/CIRCUIT DIAGNOSIS >

WASHER MOTOR CIRCUIT

WASHER MOTOR CIRCUIT

Diagnosis Procedure

INFOID:0000000010048959

Regarding Wiring Diagram information, refer to 

WW-63, "Wiring Diagram"

.

1.

 CHECK FRONT WASHER MOTOR FUSE

1. Turn the ignition switch OFF.

2. Check that 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 WASHER MOTOR POWER SUPPLY

1. Disconnect front washer motor.

2. Turn ignition switch ON.

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

Is the measurement value normal?

YES

>> GO TO 3.

NO

>> GO TO 5.

3.

 CHECK FRONT WASHER MOTOR CIRCUIT CONTINUITY

1. Turn the ignition switch OFF.

2. Disconnect combination switch (wiper and washer switch).

3. Check continuity between combination switch (wiper and washer switch) harness connector and front

washer motor.

Is the measurement normal?

YES

>> GO TO 4

NO

>> Repair or replace harness.

4.

 CHECK WIPER AND WASHER SWITCH GROUND CIRCUIT

Check continuity between combination switch (wiper and washer switch) harness connector and ground.

Does continuity exist?

Unit

Location

Fuse No.

Capacity

Front washer motor

IPDM E/R

38

10A

Terminals

Voltage 

(Approx.)

(+)

(-)

Front washer motor

Ground

Connector

Terminal

E226

1

Battery voltage

Combination switch (wiper and washer switch) 

Front washer motor

Continuity

Connector

Terminal

Connector

Terminal

M28

1

E226

2

Yes

Combination switch (wiper and washer switch)

Ground

Continuity

Connector

Terminal

M28

6

Yes

WASHER MOTOR CIRCUIT

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B

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YES

>> GO TO 6

NO

>> Repair or replace harness.

5.

 CHECK FRONT WASHER MOTOR OPEN CIRCUIT

1. Turn the ignition switch OFF.

2. Disconnect IPDM E/R.

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

Does continuity exist?

YES

>> Replace IPDM E/R. Refer to 

PCS-35, "Removal and Installation"

.

NO

>> Repair or replace harness.

6.

 CHECK WIPER AND WASHER SWITCH

Check wiper and washer switch. Refer to 

WW-25, "Component Inspection"

.

Is the inspection result normal?

YES

>> Replace front washer motor. Refer to 

WW-82, "FRONT WASHER PUMP : Removal and Installa-

tion"

.

NO

>> Replace wiper and washer switch. Refer to 

WW-85, "Removal and Installation"

.

IPDM E/R 

Front washer motor

Continuity

Connector

Terminal

Connector

Terminal

E200

88

E226

1

Yes