Infiniti QX56 (Z62). Manual - part 1391

 

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Infiniti QX56 (Z62). Manual - part 1391

 

 

WW-42

< DTC/CIRCUIT DIAGNOSIS >

WASHER SWITCH

WASHER SWITCH

Component Inspection

INFOID:0000000006300477

1.

CHECK WASHER SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect combination switch connector.

3.

Check continuity between the combination switch terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace combination switch (Wiper and washer switch).

A

:  Terminal  4

B

:  Terminal  6

C

:  Terminal  3

D

:  Terminal  1

JPLIA0164GB

Combination switch

Condition

Continuity

Terminal

3

4

Front washer switch ON

Existed

1

6

1

4

Rear washer switch ON

6

3

REAR WIPER MOTOR CIRCUIT

WW-43

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

WW

N

O

P

REAR WIPER MOTOR CIRCUIT

Component Function Check

INFOID:0000000006300478

1.

CHECK REAR WIPER ON OPERATION

CONSULT-III ACTIVE TEST

1.

Select “RR WIPER” of BCM active test item.

2.

With operating the test item, check rear wiper operation.

Is rear wiper operation normally?

YES

>> Rear wiper motor circuit is normal.

NO

>> Refer to 

WW-43, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000006300479

1.

CHECK REAR WIPER MOTOR OUTPUT VOLTAGE

CONSULT-III ACTIVE TEST

1.

Turn ignition switch OFF.

2.

Disconnect rear wiper motor connector.

3.

Turn ignition switch ON.

4.

Select “RR WIPER” of BCM active test item.

5.

With operating the test item, check voltage between rear wiper motor harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK REAR WIPER MOTOR CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

3.

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

4.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-81, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK REAR WIPER MOTOR GROUND OPEN CIRCUIT

Check continuity between rear wiper motor harness connector and ground.

On

: Rear wiper ON operation

Off

: Stop the rear wiper.

(+)

(

)

Condition

Voltage (Approx.)

Rear wiper motor

Connector

Terminal

D160

2

Ground

REAR WIPER

On

Battery voltage

Off

0 V

BCM

Rear wiper motor

Continuity

Connector

Terminal

Connector

Terminal

M70

54

D160

2

Existed

BCM

Ground

Continuity

Connector

Terminal

M70

54

Not existed

WW-44

< DTC/CIRCUIT DIAGNOSIS >

REAR WIPER MOTOR CIRCUIT

Is the inspection result normal?

YES

>> Replace rear wiper motor.

NO

>> Repair or replace harness.

Rear wiper motor

Ground

Continuity

Connector

Terminal

D160

4

Existed

REAR WIPER AUTO STOP SIGNAL CIRCUIT

WW-45

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

WW

N

O

P

REAR WIPER AUTO STOP SIGNAL CIRCUIT

Component Function Check

INFOID:0000000006300480

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-45, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000006300481

1.

CHECK REAR WIPER MOTOR (AUTO STOP) OUTPUT VOLTAGE

1.

Turn ignition switch OFF.

2.

Disconnect rear wiper motor connector.

3.

Turn ignition switch ON.

4.

Check voltage between rear wiper motor harness connector and ground.

Is the inspection result normal?

YES

>> Replace rear wiper motor.

NO

>> GO TO 2.

2.

CHECK REAR WIPER MOTOR (AUTO STOP) CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

3.

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

4.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-81, "Removal and Installation"

.

NO

>> Repair or replace harness.

Monitor item

Condition

Monitor status

RR WIPER STOP

Rear wiper motor

Stop position

On

Except stop position

Off

(+)

(

)

Voltage (Approx.)

Rear wiper motor

Connector

Terminal

D160

3

Ground

Battery voltage

BCM 

Rear wiper motor

Continuity

Connector

Terminal

Connector

Terminal

M70

44

D160

3

Existed

BCM

Ground

Continuity

Connector

Terminal

M70

44

Not existed

 

 

 

 

 

 

 

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