Infiniti QX56 (Z62). Manual — part 1037

PWC-60

< DTC/CIRCUIT DIAGNOSIS >

POWER WINDOW SERIAL LINK

Is the inspection result normal?

YES

>> Replace rear power window switch RH. Refer to

PWC-74, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK POWER WINDOW SERIAL LINK SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect rear power window switch RH connector.

3.

Turn ignition switch ON.

4.

Check voltage between rear power window switch RH harness connector and ground.

Is the inspection result normal?

YES

>> Replace power window main switch. Refer to

PWC-74, "Removal and Installation"

.

NO

>> GO TO 3.

3.

CHECK POWER WINDOW SERIAL LINK CIRCUIT

1.

Disconnect power window main switch connector.

2.

Check continuity between power window main switch harness connector and rear power window switch
RH harness connector.

3.

Check continuity between power window main switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK INTERMITTENT INCIDENT

Refer to

GI-40, "Intermittent Incident"

.

>> INSPECTION END

(+)

(–)

Signal

(Reference value)

Rear power window switch RH

Connector

Terminal

D43

16

Ground

JPMIA0013GB

(+)

(–)

Voltage (V)

(Approx.)

Rear power window switch RH

Connector

Terminal

D43

16

Ground

12

Power window main switch

Rear power window switch RH

Continuity

Connector

Terminal

Connector

Terminal

D5

14

D43

16

Existed

Power window main switch

Ground

Continuity

Connector

Terminal

D5

14

Not existed

POWER WINDOWS DO NOT OPERATE WITH POWER WINDOW MAIN SWITCH

PWC-61

< SYMPTOM DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

O

P

SYMPTOM DIAGNOSIS

POWER WINDOWS DO NOT OPERATE WITH POWER WINDOW MAIN
SWITCH

Diagnosis Procedure

INFOID:0000000006217320

1.

CHECK BCM POWER SUPPLY AND GROUND CIRCUIT

Check BCM power supply and ground circuit.

BCS-81, "Removal and Installation"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CHECK POWER WINDOW MAIN SWITCH POWER SUPPLY AND GROUND CIRCUIT

Check power window switch power supply and ground circuit.
Refer to

PWC-35, "POWER WINDOW MAIN SWITCH : Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace the malfunctioning parts.

3.

CHECK POWER WINDOW MAIN SWITCH SERIAL LINK CIRCUIT

Check power window serial link circuit.
Refer to

PWC-55, "POWER WINDOW MAIN SWITCH : Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace the malfunctioning parts.

4.

CONFIRM THE OPERATION

Confirm the operation again.
Is the result normal?

YES

>> Check intermittent incident. Refer to

GI-40, "Intermittent Incident"

.

NO

>> GO TO 1.

PWC-62

< SYMPTOM DIAGNOSIS >

DRIVER SIDE POWER WINDOW ALONE DOES NOT OPERATE

DRIVER SIDE POWER WINDOW ALONE DOES NOT OPERATE

Diagnosis Procedure

INFOID:0000000006217321

1.

CHECK DRIVER SIDE POWER WINDOW MOTOR

Check driver side power window motor.
Refer to

PWC-39, "DRIVER SIDE : Component Function Check"

.

Is the measurement value within the specification?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CONFIRM THE OPERATION

Confirm the operation again.

Is the result normal?

YES

>> Check intermittent incident. Refer to

GI-40, "Intermittent Incident"

.

NO

>> GO TO 1.

FRONT PASSENGER SIDE POWER WINDOW DOES NOT OPERATE

PWC-63

< SYMPTOM DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

O

P

FRONT PASSENGER SIDE POWER WINDOW DOES NOT OPERATE

WHEN POWER WINDOW MAIN SWITCH IS OPERATED

WHEN POWER WINDOW MAIN SWITCH IS OPERATED : Diagnosis Procedure

INFOID:0000000006217322

1.

CHECK FRONT POWER WINDOW SWITCH (PASSENGER SIDE) SERIAL LINK CIRCUIT

Check front power window switch (passenger side) serial link circuit.
Refer to

PWC-56, "FRONT POWER WINDOW SWITCH (PASSENGER SIDE) : Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CONFIRM THE OPERATION

Confirm the operation again.

Is the result normal?

YES

>> Check intermittent incident. Refer to

GI-40, "Intermittent Incident"

.

NO

>> GO TO 1.

WHEN FRONT POWER WINDOW SWITCH (PASSENGER SIDE) IS OPERATED

WHEN FRONT POWER WINDOW SWITCH (PASSENGER SIDE) IS OPERATED :
Diagnosis Procedure

INFOID:0000000006217323

1.

REPLACE FRONT POWER WINDOW SWITCH (PASSENGER SIDE)

Replace front power window switch (passenger side).
Refer to

PWC-74, "Removal and Installation"

>> INSPECTION END

WHEN BOTH POWER WINDOW MAIN SWITCH AND FRONT POWER WINDOW
SWITCH ARE OPERATED

WHEN BOTH POWER WINDOW MAIN SWITCH AND FRONT POWER WINDOW
SWITCH ARE OPERATED : Diagnosis Procedure

INFOID:0000000006217324

1.

CHECK FRONT POWER WINDOW SWITCH (PASSENGER SIDE) POWER SUPPLY AND GROUND CIR-

CUIT

Check front power window switch (passenger side) power supply and ground circuit.
Refer to

PWC-36, "FRONT POWER WINDOW SWITCH (PASSENGER SIDE) : Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

CHECK PASSENGER SIDE POWER WINDOW MOTOR CIRCUIT

Check passenger side power window motor circuit.
Refer to

PWC-40, "PASSENGER SIDE : Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace the malfunctioning parts.

3.

CONFIRM THE OPERATION

Confirm the operation again.

Is the result normal?

YES

>> Check intermittent incident. Refer to

GI-40, "Intermittent Incident"

.

NO

>> GO TO 1.