Infiniti QX56 (JA60). Manual - part 752

PWC-20

< COMPONENT DIAGNOSIS >

POWER WINDOW MOTOR

Is the inspection result normal?

YES

>> Front power window motor RH is OK.

NO

>> Replace front power window motor RH. Refer to 

GW-15, "Removal and Installation"

.

REAR LH
REAR LH : Description

INFOID:0000000005147189

Door glass moves UP/DOWN by receiving the signal from power window main switch or rear power window

switch LH.

REAR LH : Component Function Check

INFOID:0000000005147190

1.

 CHECK REAR POWER WINDOW MOTOR LH CIRCUIT

Does rear power window motor LH operate with main power window and door lock/unlock switch or rear

power window switch LH?
Is the inspection result normal?

YES

>> Rear power window motor LH is OK.

NO

>> Refer to 

PWC-20, "REAR LH : Diagnosis Procedure"

.

REAR LH : Diagnosis Procedure

INFOID:0000000005147191

Regarding Wiring Diagram information, refer to 

PWC-53, "Wiring Diagram"

.

1.

 CHECK REAR POWER WINDOW SWITCH LH OUTPUT SIGNAL

1. Turn ignition switch ON.

2. Check voltage between rear power window switch LH connector

D203 terminals 4, 5 and ground.

Is the inspection result normal?

YES

>> Replace rear power window switch LH. Refer to 

PWC-119, "Removal and Installation"

.

NO

>> GO TO 2

2.

 CHECK REAR POWER WINDOW SWITCH LH CIRCUIT

Terminal

Motor condition

(+)

(–)

1

2

DOWN

2

1

UP

Connector

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(-)

D203

4

Ground

Closing

0

Opening

Battery voltage 

5

Closing

Battery voltage

Opening

0 

LIIA2365E

POWER WINDOW MOTOR

PWC-21

< COMPONENT DIAGNOSIS >

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PWC

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1. Turn ignition switch OFF.

2. Disconnect rear power window switch LH and rear power win-

dow control unit LH.

3. Check continuity between rear power window switch LH connec-

tor D203 terminals 4, 5 and rear power window control unit LH

connector D209 terminals 9, 10.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness.

3.

 CHECK REAR POWER WINDOW MOTOR LH

Check rear power window motor LH.

Refer to 

PWC-21, "REAR LH : Component Inspection"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-38, "Intermittent Incident"

.

NO

>> Replace rear power window motor LH. Refer to 

GW-15, "Removal and Installation"

.

REAR LH : Component Inspection

INFOID:0000000005147192

COMPONENT INSPECTION

1.

 CHECK REAR POWER WINDOW MOTOR LH

Does motor operate by connecting the battery voltage directly to rear power window motor LH?

Is the inspection result normal?

YES

>> Rear power window motor LH is OK.

NO

>> Replace rear power window motor LH. Refer to 

GW-18, "Removal and Installation"

.

REAR RH
REAR RH : Description

INFOID:0000000005147193

Door glass moves UP/DOWN by receiving the signal from main power window and door lock/unlock switch or

rear power window switch RH.

REAR RH : Component Function Check

INFOID:0000000005147194

1.

 CHECK REAR POWER WINDOW MOTOR RH CIRCUIT

Does rear power window motor RH operate with operating main power window and door lock/unlock switch or

rear power window switch RH?
Is the inspection result normal?

YES

>> Rear power window motor RH is OK.

NO

>> Refer to 

PWC-21, "REAR RH : Diagnosis Procedure"

.

REAR RH : Diagnosis Procedure

INFOID:0000000005147195

Regarding Wiring Diagram information, refer to 

PWC-53, "Wiring Diagram"

.

4 - 9

: Continuity should exist.

5 - 10

: Continuity should exist.

LIIA1379E

Terminal

Motor condition

(+)

(–)

2

1

DOWN

1

2

UP

PWC-22

< COMPONENT DIAGNOSIS >

POWER WINDOW MOTOR

1.

 CHECK REAR POWER WINDOW SWITCH RH OUTPUT SIGNAL

1. Turn ignition switch ON.

2. Check voltage between rear power window switch RH connector

D303 terminals 4, 5 and ground.

Is the inspection result normal?

YES

>> Replace rear power window switch RH. Refer to 

PWC-119, "Removal and Installation"

.

NO

>> GO TO 2

2.

 CHECK REAR POWER WINDOW SWITCH RH CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect rear power window switch RH and rear power win-

dow control unit RH.

3. Check continuity between rear power window switch RH con-

nector D303 terminals 4, 5 and rear power window control unit

RH connector D309 terminals 9, 10.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness.

3.

 CHECK REAR POWER WINDOW MOTOR RH

Check rear power window motor RH.

Refer to 

PWC-22, "REAR RH : Component Inspection"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-38, "Intermittent Incident"

.

NO

>> Replace rear power window motor RH. Refer to 

GW-18, "Removal and Installation"

.

REAR RH : Component Inspection

INFOID:0000000005147196

COMPONENT INSPECTION

1.

 CHECK REAR POWER WINDOW MOTOR RH

Does motor operate by connecting the battery voltage directly to rear power window motor RH?

Is the inspection result normal?

YES

>> Rear power window motor RH is OK.

NO

>> Replace rear power window motor RH. Refer to 

GW-18, "Removal and Installation"

.

Connector

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(-)

D303

4

Ground

Closing

0

Opening

Battery voltage 

5

Closing

Battery voltage

Opening

0 

LIIA2365E

4 - 9 

: Continuity should exist.

5 - 10

: Continuity should exist.

LIIA1379E

Terminal

Motor condition

(+)

(–)

2

1

DOWN

1

2

UP

ENCODER

PWC-23

< COMPONENT DIAGNOSIS >

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ENCODER

DRIVER SIDE
DRIVER SIDE : Description

INFOID:0000000005147197

Detects condition of the front power window motor LH operation and transmits to main power window and door

lock/unlock switch as pulse signal. 

DRIVER SIDE : Component Function Check

INFOID:0000000005147198

1.

 CHECK ENCODER OPERATION

Does front door glass LH perform AUTO open/close operation normally when operating main power window

and door lock/unlock switch?
Is the inspection result normal?

YES

>> Encoder operation is OK.

NO

>> Refer to 

PWC-23, "DRIVER SIDE : Diagnosis Procedure"

.

DRIVER SIDE : Diagnosis Procedure

INFOID:0000000005147199

Regarding Wiring Diagram information, refer to 

PWC-53, "Wiring Diagram"

.

1.

 CHECK ENCODER OPERATION

1. Turn ignition switch ON.

2. Check signal between main power window and door lock/unlock

switch connector and ground with oscilloscope.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-38, "Intermittent Incident"

.

NO

>> GO TO 2

2.

 CHECK FRONT POWER WINDOW MOTOR LH POWER SUPPLY

Terminals

Signal

(Reference value)

(+)

(–)

 Main power window 

and door lock/unlock 

switch connector

Terminal 

D7

9

Ground

Refer to following signal

13

ALKIA0295ZZ

JMKIA0220GB