Infiniti QX56 (JA60). Manual - part 753

PWC-24

< COMPONENT DIAGNOSIS >

ENCODER

1. Turn ignition switch ON.

2. Check voltage between front power window motor LH connector

and ground.

Is the measurement value within the specification?

YES

>> GO TO 4

NO

>> GO TO 3

3.

 CHECK HARNESS CONTINUITY 1

1. Turn ignition switch OFF.

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

front power window motor LH.

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

unlock switch connector and front power window motor LH con-

nector.

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

Is the inspection result normal?

YES

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

PWC-117, "Removal and

Installation"

.

NO

>> Repair or replace harness.

4.

 CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect front power window motor LH.

3. Check continuity between front power window motor LH connec-

tor and ground.

Is the inspection result normal?

YES

>> GO TO 6

NO

>> GO TO 5

5.

 CHECK HARNESS CONTINUITY 2

Terminal

Voltage (V)

(Approx.)

(+)

(–)

 Front power win-

dow motor LH con-

nector

Terminal 

D9

4

Ground

10

WIIA0513E

Main power window 

and door lock/unlock 

switch connector

Terminal

Front power window 

motor LH connector

Terminal

Continuity

D7 (A)

15

D9 (B)

4

Yes

Main power window and door 

lock/unlock switch connector

Terminal

Ground

Continuity

D7 (A)

15

No

ALKIA1021ZZ

Front power window motor 

LH connector

Terminal

Ground

Continuity 

D9

6

Yes

LIIA0923E

ENCODER

PWC-25

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

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A

B

PWC

N

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

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

unlock switch connector and front power window motor LH con-

nector.

Is the inspection result normal?

YES

>> Replace main power window and door lock/unlock

switch. Refer to 

PWC-117, "Removal and Installation"

. 

NO

>> Repair or replace harness.

6.

 CHECK HARNESS CONTINUITY 3

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

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

unlock switch connector and front power window motor LH con-

nector.

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

unlock switch connector and ground.

Is the inspection result normal?

YES

>> Replace front power window motor LH. Refer to 

GW-15, "Removal and Installation"

. 

NO

>> Repair or replace harness.

PASSENGER SIDE
PASSENGER SIDE : Description

INFOID:0000000005147200

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

lock/unlock switch RH as pulse signal. 

PASSENGER SIDE : Component Function Check

INFOID:0000000005147201

1.

CHECK ENCODER OPERATION

Does front door glass RH perform AUTO open/close operation normally when operating power window and

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

YES

>> Encoder operation is OK.

NO

>> Refer to 

PWC-25, "PASSENGER SIDE : Diagnosis Procedure"

.

PASSENGER SIDE : Diagnosis Procedure

INFOID:0000000005147202

Regarding Wiring Diagram information, refer to 

PWC-68, "Wiring Diagram"

.

Main power window and 

door lock/unlock switch 

connector

Terminal

Front power win-

dow motor LH con-

nector

Terminal

Continuity

D7 2

D9 

6

Yes

LIIA0924E

Main power window 

and door lock/unlock 

switch connector

Terminal

Front power window 

motor LH connector

Terminal

Continuity

D7 (A)

9

D9 (B)

5

Yes

13

3

Main power window and door 

lock/unlock switch connector

Terminal

Ground

Continuity

D7 (A)

9

No

13

ALKIA1022ZZ

PWC-26

< COMPONENT DIAGNOSIS >

ENCODER

1.

 CHECK ENCODER SIGNAL

1. Turn ignition switch ON.

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

switch RH 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 RH POWER SUPPLY

1. Turn ignition switch ON.

2. Check voltage between front power window motor RH connector

and ground.

Is the measurement value within the specification?

YES

>> GO TO 4

NO

>> GO TO 3

3.

 CHECK HARNESS CONTINUITY 1

1. Turn ignition switch OFF.

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

front power window motor 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.

Terminals

Signal

(Reference value)

(+)

(–)

 Power window and door 

lock/unlock switch RH 

connector

Terminal

D105

12

Ground

Refer to following 

signal

15

ALKIA0322ZZ

ALKIA0305GB

Terminal

Voltage (V)

(Approx.)

(+)

(–)

 Front power window 

motor RH connector

Terminal

D105

4

Ground

10

WIIA0513E

Power window and 

door lock/unlock 

switch RH connector

Terminal

Front power window 
motor RH connector

Terminal

Continuity

D105 (A)

4

D104 (B)

4

Yes

ALKIA1023ZZ

ENCODER

PWC-27

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

O

P

Is the inspection result normal?

YES

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

PWC-118, "Removal and Instal-

lation"

. 

NO

>> Repair or replace harness.

4.

 CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect front power window motor RH.

3. Check continuity between front power window motor RH con-

nector and ground.

Is the inspection result normal?

YES

>> GO TO 6

NO

>> GO TO 5

5.

 CHECK HARNESS CONTINUITY 2

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

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

switch RH connector and front power window motor RH connec-

tor.

Is the inspection result normal?

YES

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

Refer to 

PWC-118, "Removal and Installation"

. 

NO

>> Repair or replace harness.

6.

 CHECK HARNESS CONTINUITY 3

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

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

switch RH connector and front power window motor RH connec-

tor.

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

switch RH connector and ground.

Power window and door lock/

unlock switch RH connector

Terminal

Ground

Continuity

D105 (A)

4

No

Front power window motor RH 

connector

Terminal

Ground

Continuity 

D104

6

Yes

LIIA0923E

Power window and door 

lock/unlock switch RH 

connector

Terminal

Front power window 
motor RH connector

Terminal

Continuity

D105

3

D104

6

Yes

LIIA1264E

Power window and 

door lock/unlock 

switch RH connector

Terminal

Front power window 
motor RH connector

Terminal

Continuity

D105 (A)

12

D104 (B)

3

Yes

15

5

ALKIA1024ZZ