Infiniti G37 Coupe. Manual - part 1437

WW-22

< COMPONENT DIAGNOSIS >

FRONT WIPER MOTOR HI CIRCUIT

Does continuity exist?

YES

>> Repair the harness or connector.

NO

>> Replace front wiper motor.

IPDM E/R

Ground

Continuity

Connector

Terminal

E5

5

Not existed

FRONT WIPER AUTO STOP SIGNAL CIRCUIT

WW-23

< COMPONENT DIAGNOSIS >

C

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FRONT WIPER AUTO STOP SIGNAL CIRCUIT

Component Function Check

INFOID:0000000001629618

1.

CHECK FRONT WIPER (AUTO STOP) SIGNAL

CONSULT-III DATA MONITOR

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 status of item normal?

YES

>> Auto stop signal circuit is normal.

NO

>> Refer to 

WW-23, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000001629619

1.

CHECK FRONT WIPER MOTOR (AUTO STOP) OUTPUT VOLTAGE

1.

Turn the ignition switch OFF.

2.

Disconnect front wiper motor connector.

3.

Turn the ignition switch ON.

4.

Check voltage between IPDM E/R harness connector and ground.

Is the measurement value normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK FRONT WIPER MOTOR (AUTO STOP) SHORT CIRCUIT

1.

Turn the ignition switch OFF.

2.

Disconnect IPDM E/R connector.

3.

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

Does continuity exist?

YES

>> Repair the harnesses or connectors.

NO

>> Replace IPDM E/R.

3.

CHECK FRONT WIPER MOTOR (AUTO STOP) CIRCUIT CONTINUITY

1.

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

Monitor item

Condition

Monitor status

WIP AUTO STOP

Front wiper motor

Stop position

STOP P

Except stop 
position

ACT P

Terminals

Voltage 

(Approx.)

(+)

(-)

IPDM E/R

Ground

Connector

Terminal

E5

16

Battery voltage

IPDM E/R

Ground

Continuity

Connector

Terminal

E5

16

Not existed

WW-24

< COMPONENT DIAGNOSIS >

FRONT WIPER AUTO STOP SIGNAL CIRCUIT

Does continuity exist?

YES

>> Replace front wiper motor.

NO

>> Repair the harnesses or connectors.

IPDM E/R 

Front wiper motor

Continuity

Connector

Terminal

Connector

Terminal

E5

16

E42

5

Existed

FRONT WIPER MOTOR GROUND CIRCUIT

WW-25

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

WW

N

O

P

FRONT WIPER MOTOR GROUND CIRCUIT

Diagnosis Procedure

INFOID:0000000001629620

1.

CHECK FRONT WIPER MOTOR (GND) OPEN CIRCUIT

1.

Turn the ignition switch OFF.

2.

Disconnect front wiper motor connector.

3.

Check continuity between front wiper motor harness connector and ground.

Does continuity exist?

YES

>> Front wiper motor ground circuit is normal.

NO

>> Repair the harnesses or connectors.

Front wiper motor

Ground

Continuity

Connector

Terminal

E42

2

Existed