Infiniti FX35, FX50 (S51). Manual - part 1954

REAR WIPER MOTOR CIRCUIT

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< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

WW

N

O

P

Does continuity exist?

YES

>> GO TO 4.

NO

>> Repair the harness or connector.

4.

CHECK REAR WIPER MOTOR GROUND OPEN CIRCUIT

Check continuity between rear wiper motor harness connector and ground.

Does continuity exist?

YES

>> Replace rear wiper motor.

NO

>> Repair the harness or connector.

BCM

Rear wiper motor

Continuity

Connector

Terminal

Connector

Terminal

M120

26

D115

2

Existed

Rear wiper motor

Ground

Continuity

Connector

Terminal

D115

4

Existed

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< DTC/CIRCUIT DIAGNOSIS >

REAR WIPER AUTO STOP SIGNAL CIRCUIT

REAR WIPER AUTO STOP SIGNAL CIRCUIT

Component Function Check

INFOID:0000000005234768

1.

CHECK REAR WIPER (AUTO STOP) OPERATION

CONSULT-III DATA MONITOR

1.

Select “WIPER” of BCM data monitor item.

2.

Operate the rear wiper.

3.

Check that “RR WIPER STOP” changes to “On” and “Off” linked with the wiper operation.

Is the status of item normal?

YES

>> Rear wiper auto stop signal circuit is normal.

NO

>> Refer to 

WW-40, "Diagnosis Procedure"

.

Diagnosis Procedure

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1.

CHECK REAR WIPER MOTOR (AUTO STOP) OUTPUT VOLTAGE

1.

Turn the ignition switch OFF.

2.

Disconnect rear wiper motor connector.

3.

Turn the ignition switch ON.

4.

Check voltage between BCM harness connector and ground.

Is the measurement value normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK REAR WIPER MOTOR (AUTO STOP) SHORT CIRCUIT

1.

Turn the ignition switch OFF.

2.

Disconnect BCM connector.

3.

Check continuity between BCM harness connector and ground.

Does continuity exist?

YES

>> Repair the harness or connector.

NO

>> Replace BCM. Refer to 

BCS-83, "Exploded View"

.

3.

CHECK REAR WIPER MOTOR (AUTO STOP) OPEN CIRCUIT

1.

Turn the ignition switch OFF.

2.

Disconnect BCM connector.

3.

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

Monitor item

Condition

Monitor status

RR WIPER STOP

Rear wiper 
motor

Stop position

On

Except stop position

Off

Terminals

Voltage (Approx.)

(+)

(

−

)

BCM

Ground

Connector

Terminal

M121

65

Battery voltage

BCM

Ground

Continuity

Connector

Terminal

M121

65

Not existed

REAR WIPER AUTO STOP SIGNAL CIRCUIT

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< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

WW

N

O

P

Does continuity exist?

YES

>> Replace rear wiper motor.

NO

>> Repair the harness or connector.

BCM Rear 

wiper 

motor

Continuity

Connector

Terminal

Connector

Terminal

M121

65

D115

3

Existed

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< DTC/CIRCUIT DIAGNOSIS >

FRONT WIPER AND WASHER SYSTEM

FRONT WIPER AND WASHER SYSTEM

Wiring Diagram - FRONT WIPER AND WASHER SYSTEM -

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JCLWA3893GB