Infiniti QX56 (JA60). Manual — part 751

PWC-16

< COMPONENT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Check continuity between rear power window switch LH or RH

connector D203 (LH), D303 (RH) terminals 1, 7 and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness.

3.

CHECK REAR POWER WINDOW SWITCH

Check rear power window switch.

Refer to

PWC-16, "REAR POWER WINDOW SWITCH : Component Inspection"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to

GI-38, "Intermittent Incident"

.

NO

>> Replace rear power window switch. Refer to

PWC-119, "Removal and Installation"

.

REAR POWER WINDOW SWITCH : Component Inspection

INFOID:0000000005147180

COMPONENT INSPECTION

1.

CHECK REAR POWER WINDOW SWITCH

Check rear power window switch.

Is the inspection result normal?

YES

>> Rear power window switch is OK.

NO

>> Replace rear power window switch. Refer to

PWC-119, "Removal and Installation"

.

1 - Ground

: Continuity should exist.

7 - Ground

: Continuity should exist.

LIIA2044E

Terminal

Power window switch condition

Continuity

2

5

UP

Yes

1

4

1

4

NEUTRAL

1

5

2

4

DOWN

1

5

ALKIA0289ZZ

POWER WINDOW MOTOR

PWC-17

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

O

P

POWER WINDOW MOTOR

DRIVER SIDE
DRIVER SIDE : Description

INFOID:0000000005147181

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

DRIVER SIDE : Component Function Check

INFOID:0000000005147182

1.

CHECK POWER WINDOW MOTOR CIRCUIT

Does front power window motor LH operate with operating main power window and door lock/unlock switch?
Is the inspection result normal?

YES

>> Front power window motor LH is OK.

NO

>> Refer to

PWC-17, "DRIVER SIDE : Diagnosis Procedure"

.

DRIVER SIDE : Diagnosis Procedure

INFOID:0000000005147183

Regarding Wiring Diagram information, refer to

PWC-53, "Wiring Diagram"

.

1.

CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL

1. Disconnect front power window motor LH.

2. Turn ignition switch ON.

3. Check voltage between front power window motor LH connector

and ground.

Is the measurement value within the specification?

YES

>> GO TO 2

NO

>> Replace main power window and door lock/unlock switch. Refer to

PWC-117, "Removal and

Installation"

.

2.

CHECK HARNESS CONTINUITY

1. Turn ignition switch OFF.

2. Disconnect main power window and door lock/unlock switch.

3. Check continuity between main power window and door lock/

unlock switch connector and front power window motor connec-

tor LH.

4. Check continuity between main power window and door lock/unlock switch connector and ground.

Terminal

Main power win-

dow and door lock/

unlock switch con-

dition

Voltage (V)

(Approx.)

(+)

(–)

Power window

motor LH con-

nector

Terminal

D9

2

Ground

UP

Battery voltage

DOWN

0

1

UP

0

DOWN

Battery voltage

ALKIA1302ZZ

Main power window

and door lock/unlock

switch connector

Terminal

Front power win-

dow motor LH con-

nector

Terminal

Continuity

D7 (A)

8

D9 (B)

2

Yes

11

1

ALKIA1019ZZ

PWC-18

< COMPONENT DIAGNOSIS >

POWER WINDOW MOTOR

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness.

3.

CHECK POWER WINDOW MOTOR

Check front power window motor LH.

Refer to

PWC-18, "DRIVER SIDE : Component Inspection"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to

GI-38, "Intermittent Incident"

.

NO

>> Replace power window motor LH. Refer to

GW-15, "Removal and Installation"

.

DRIVER SIDE : Component Inspection

INFOID:0000000005147184

COMPONENT INSPECTION

1.

CHECK FRONT POWER WINDOW MOTOR LH

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

Is the inspection result normal?

YES

>> Front power window motor LH is OK.

NO

>> Replace front power window motor LH. Refer to

GW-15, "Removal and Installation"

.

PASSENGER SIDE
PASSENGER SIDE : Description

INFOID:0000000005147185

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

power window and door lock/unlock switch RH.

PASSENGER SIDE : Component Function Check

INFOID:0000000005147186

1.

CHECK POWER WINDOW MOTOR CIRCUIT

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

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

YES

>> Front power window motor RH is OK.

NO

>> Refer to

PWC-18, "PASSENGER SIDE : Diagnosis Procedure"

.

PASSENGER SIDE : Diagnosis Procedure

INFOID:0000000005147187

Regarding Wiring Diagram information, refer to

PWC-68, "Wiring Diagram"

.

1.

CHECK FRONT POWER WINDOW SWITCH RH OUTPUT SIGNAL

Main power window and door

lock/unlock switch connector

Terminal

Ground

Continuity

D7 (A)

8

No

11

Terminal

Motor condition

(+)

(–)

1

2

DOWN

2

1

UP

POWER WINDOW MOTOR

PWC-19

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

O

P

1. Disconnect front power window motor RH.

2. Turn ignition switch ON.

3. Check voltage between front power window motor RH connector

and ground.

Is the measurement value within the specification?

YES

>> GO TO 2

NO

>> Replace power window and door lock/unlock switch RH. Refer to

PWC-118, "Removal and Instal-

lation"

.

2.

CHECK HARNESS CONTINUITY

1. Turn ignition switch OFF.

2. Disconnect power window and door lock/unlock switch RH.

3. Check continuity between power window and door lock/unlock

switch RH connector and front power window motor RH connec-

tor.

4. Check continuity between power window and door lock/unlock switch RH connector and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness.

3.

CHECK FRONT POWER WINDOW MOTOR RH

Check front power window motor RH.

Refer to

PWC-19, "PASSENGER SIDE : Component Inspection"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to

GI-38, "Intermittent Incident"

.

NO

>> Replace front power window motor RH. Refer to

GW-15, "Removal and Installation"

.

PASSENGER SIDE : Component Inspection

INFOID:0000000005147188

COMPONENT INSPECTION

1.

CHECK FRONT POWER WINDOW MOTOR RH

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

Terminal

Front power

window motor

RH condition

Voltage (V)

(Approx.)

(+)

(–)

Front power window
motor RH connector

Terminal

D104

2

Ground

UP

Battery voltage

DOWN

0

1

UP

0

DOWN

Battery voltage

ALKIA1302ZZ

Power window and

door lock/unlock

switch RH connector

Terminal

Front power window
motor RH connector

Terminal

Continuity

D105 (A)

8

D104 (B)

2

Yes

9

1

Power window and door

lock/unlock switch RH con-

nector

Terminal

Ground

Continuity

D105 (A)

8

No

9

ALKIA1020ZZ