Nissan Xterra. Manual - part 728

FRONT WIPER MOTOR HI CIRCUIT

WW-21

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

WW

N

O

P

2. Disconnect IPDM E/R and front wiper motor.

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

Does continuity exist?

YES

>> Replace front wiper motor. Refer to 

WW-68, "Removal and Installation"

.

NO

>> Repair or replace harness.

IPDM E/R

Front wiper motor

Continuity

Connector

Terminal

Connector

Terminal

E121

35

E23

4

Yes

WW-22

< DTC/CIRCUIT DIAGNOSIS >

FRONT WIPER AUTO STOP SIGNAL CIRCUIT

FRONT WIPER AUTO STOP SIGNAL CIRCUIT

Component Function Check

INFOID:0000000009484699

1.

 CHECK FRONT WIPER (AUTO STOP) SIGNAL

CONSULT DATA MONITOR

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

2. Operate the front wiper.

3. Check that "WIP AUTO STOP" changes to "STOP P" and "ACT P" linked with the wiper operation.

Is the status of item normal?

YES

>> Front wiper auto stop signal circuit is normal.

NO

>> Refer to 

WW-22, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009484700

Regarding Wiring Diagram information, refer to 

WW-50, "Wiring Diagram"

.

1.

 CHECK IPDM E/R OUTPUT VOLTAGE

1. Turn the ignition switch OFF.

2. Disconnect front wiper motor.

3. Turn the ignition switch ON.

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

Is the measurement normal?

YES

>> Replace front wiper motor. Refer to 

WW-68, "Removal and Installation"

.

NO

>> GO TO 2

2.

 CHECK FRONT WIPER MOTOR (AUTO STOP) CIRCUIT CONTINUITY

1. Turn the ignition switch OFF.

2. Disconnect IPDM E/R connector E122.

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?

Monitor item

Condition

Monitor status

WIP AUTO STOP

Front wiper motor

Stop position

STOP P

Except stop position

ACT P

Terminals

Voltage (V) 

(Approx.)

(+)

(-)

Front wiper motor

Ground

Connector

Terminal

E23

5

Battery voltage

IPDM E/R 

Front wiper motor

Continuity

Connector

Terminal

Connector

Terminal

E122

43

E23

5

Yes

IPDM E/R

Ground

Continuity

Connector

Terminal

E122

43

No

FRONT WIPER AUTO STOP SIGNAL CIRCUIT

WW-23

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

WW

N

O

P

YES

>> Replace IPDM E/R. Refer to 

PCS-27, "Removal and Installation"

.

NO

>> Repair or replace harness.

WW-24

< DTC/CIRCUIT DIAGNOSIS >

FRONT WIPER MOTOR GROUND CIRCUIT

FRONT WIPER MOTOR GROUND CIRCUIT

Diagnosis Procedure

INFOID:0000000009484701

Regarding Wiring Diagram information, refer to 

WW-50, "Wiring Diagram"

.

1.

 CHECK FRONT WIPER MOTOR (GROUND) 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

E23

2

Yes