Infiniti QX56 (JA60). Manual - part 758

PWC-44

< COMPONENT DIAGNOSIS >

REAR POWER VENT WINDOW SWITCH CIRCUIT CHECK

REAR POWER VENT WINDOW SWITCH CIRCUIT CHECK

Description

INFOID:0000000005147226

Rear power vent window motor LH and RH will be operated if rear power vent window switch is operated.

Diagnosis Procedure

INFOID:0000000005147227

Regarding Wiring Diagram information, refer to 

PWC-53, "Wiring Diagram"

.

1.

 CHECK REAR POWER VENT WINDOW SWITCH OPERATION 

1. Turn ignition switch OFF.

2. Disconnect rear power vent window switch.

3. Check continuity between rear power vent window switch termi-

nals 1, 3 and 4.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace rear power vent window switch.

2.

 CHECK REAR POWER VENT WINDOW SWITCH CIRCUIT HARNESS CONTINUITY

Check continuity between rear power vent window switch connector

M95 terminal 1 and ground.

Is the inspection result normal?

YES

>> Rear power vent window switch circuit harness OK.

NO

>> Repair or replace harness.

Terminals Condition

Continuity

3

1

Rear power vent window 
switch is pressed OPEN.

Yes

4

1

Rear power vent window 
switch is pressed CLOSE.

Yes

LIIA0956E

1 - Ground 

: Continuity should exist.

ALKIA1035ZZ

REAR POWER VENT WINDOW MOTOR LH CIRCUIT CHECK

PWC-45

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

O

P

REAR POWER VENT WINDOW MOTOR LH CIRCUIT CHECK

Description

INFOID:0000000005147228

Rear power vent windows OPEN/CLOSE by receiving the signal from rear power vent window switch.

Diagnosis Procedure

INFOID:0000000005147229

Regarding Wiring Diagram information, refer to 

PWC-53, "Wiring Diagram"

.

1.

 CHECK REAR POWER VENT WINDOW LH SIGNAL

1. Turn ignition switch OFF.

2. Disconnect rear power vent window motor LH.

3. Turn ignition switch ON.

4. Check voltage between rear power vent window motor LH con-

nector B52 terminals 1, 2 and ground.

Is the inspection result normal?

YES

>> Replace rear power vent window motor LH. Refer to 

GW-21, "Removal and Installation"

.

NO

>> Repair or replace harness.

Connector

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(-)

B52

1

Ground

Opening

Battery voltage

Closing

0

2

Opening

0

Closing

Battery voltage

ALKIA1037GB

PWC-46

< COMPONENT DIAGNOSIS >

REAR POWER VENT WINDOW MOTOR RH CIRCUIT CHECK

REAR POWER VENT WINDOW MOTOR RH CIRCUIT CHECK

Description

INFOID:0000000005147230

Rear power vent windows OPEN/CLOSE by receiving the signal from rear power vent window switch.

Diagnosis Procedure

INFOID:0000000005147231

Regarding Wiring Diagram information, refer to 

PWC-53, "Wiring Diagram"

.

1.

CHECK REAR POWER VENT WINDOW SWITCH RH SIGNAL

1. Turn ignition switch OFF.

2. Disconnect rear power vent window motor RH.

3. Turn ignition switch ON.

4. Check voltage between rear power vent window motor LH con-

nector B150 terminals 1, 2 and ground.

Is the inspection result normal?

YES

>> Replace rear power vent window motor RH. Refer to 

GW-21, "Removal and Installation"

.

NO

>> Repair or replace harness.

Connector

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(-)

B150

1

Ground

Opening

Battery voltage

Closing

0

2

Opening

0

Closing

Battery voltage

ALKIA1037GB

REAR POWER VENT WINDOW RELAY (OPEN) CHECK

PWC-47

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

O

P

REAR POWER VENT WINDOW RELAY (OPEN) CHECK

Description

INFOID:0000000005147232

Rear power vent windows OPEN/CLOSE by receiving the signal from rear power vent window switch.

Diagnosis Procedure

INFOID:0000000005147233

Regarding Wiring Diagram information, refer to 

PWC-53, "Wiring Diagram"

.

1.

CHECK REAR POWER VENT WINDOW RELAY (OPEN) POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect rear power vent window relay (OPEN).

3. Turn ignition switch ON.

4. Check voltage between rear power vent window relay (OPEN)

connector and ground.

Is the inspection result normal?

YES

>> GO TO 2

NO

>> Repair or replace harness.

2.

CHECK REAR POWER VENT WINDOW RELAY (OPEN)

Check continuity between rear power vent window relay (OPEN) ter-

minals 3 and 4, 3 and 5.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Replace rear power vent window relay (OPEN).

3.

CHECK REAR POWER VENT WINDOW RELAY (OPEN) GROUND CIRCUIT

Check continuity between rear power vent window relay (OPEN)

connector M87 terminal 4 and ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Repair or replace harness.

4.

CHECK REAR POWER VENT WINDOW RELAY (OPEN) CIRCUIT

Connector

Terminals

Voltage (V)

(Approx.)

(+)

(-)

M87

1

Ground

Battery voltage

5

LIIA1565E

Terminals

Condition

Continuity

3

4

12V direct current supply 
between terminals 1 and 2

No

No current supply

Yes

3

5

12V direct current supply 
between terminals 1 and 2

Yes

No current supply

No

WIIA0291E

4 - Ground

: Continuity should exist.

LIIA1567E