Infiniti QX56 (Z62). Manual — part 1032

PWC-40

< DTC/CIRCUIT DIAGNOSIS >

POWER WINDOW MOTOR

PASSENGER SIDE : Component Function Check

INFOID:0000000006217295

1.

CHECK POWER WINDOW MOTOR CIRCUIT

Check front power window motor (passenger side) operation with power window main switch or front power
window switch (passenger side).

Is the inspection result normal?

YES

>> Front power window motor (passenger side) is OK.

NO

>> Refer to

PWC-40, "PASSENGER SIDE : Diagnosis Procedure"

.

PASSENGER SIDE : Diagnosis Procedure

INFOID:0000000006217296

1.

CHECK FRONT POWER WINDOW MOTOR INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect front power window motor (passenger side) connector.

3.

Turn ignition switch ON.

4.

Check voltage between front power window motor (passenger side) harness connector and ground.

Is the inspection result normal?

YES

>> Replace front power window motor (passenger side). Refer to

GW-21, "Removal and Installa-

tion"

.

NO

>> GO TO 2.

2.

CHECK POWER WINDOW MOTOR CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect front power window switch (passenger side) connector.

3.

Check continuity between front power window switch (passenger side) harness connector and front power
window motor (passenger side) harness connector.

4.

Check continuity between front power window switch (passenger side) connector and ground.

Is the inspection result normal?

YES

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

PWC-74, "Removal and Installa-

tion"

.

NO

>> Repair or replace harness.

REAR LH

(+)

(–)

Condition

Voltage (V)

(Approx.)

Front power window motor

(passenger side)

Connector

Terminal

D27

3

Ground

Front power window switch

(passenger side)

UP

12

DOWN

0

1

UP

0

DOWN

12

Front power window switch (passenger side)

Front power window motor (passenger side)

Continuity

Connector

Terminal

Connector

Terminal

D25

8

D27

3

Existed

9

1

Front power window switch (passenger side)

Ground

Continuity

Connector

Terminal

D25

8

Not existed

9

POWER WINDOW MOTOR

PWC-41

< DTC/CIRCUIT DIAGNOSIS >

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REAR LH : Component Function Check

INFOID:0000000006217297

1.

CHECK POWER WINDOW MOTOR CIRCUIT

Check rear power window motor LH operation with power window main switch or rear power window switch
LH.

Is the inspection result normal?

YES

>> Rear power window motor LH is OK.

NO

>> Refer to

PWC-41, "REAR LH : Diagnosis Procedure"

.

REAR LH : Diagnosis Procedure

INFOID:0000000006217298

1.

CHECK REAR POWER WINDOW MOTOR INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect rear power window motor LH connector.

3.

Turn ignition switch ON.

4.

Check voltage between rear power window motor LH harness connector and ground.

Is the inspection result normal?

YES

>> Replace rear power window motor LH. Refer to

GW-26, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK POWER WINDOW MOTOR CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect rear power window switch LH connector.

3.

Check continuity between rear power window switch LH harness connector and rear power window motor
LH harness connector.

4.

Check continuity between rear power window switch LH harness connector and ground.

Is the inspection result normal?

YES

>> Replace rear power window switch LH. Refer to

PWC-74, "Removal and Installation"

.

NO

>> Repair or replace harness.

REAR RH

REAR RH : Component Function Check

INFOID:0000000006217299

1.

CHECK POWER WINDOW MOTOR CIRCUIT

(+)

(–)

Condition

Voltage (V)

(Approx.)

Rear power window motor LH

Connector

Terminal

D67

1

Ground

Rear power window switch LH

UP

12

DOWN

0

3

UP

0

DOWN

12

Rear power window switch LH

Rear power window motor LH

Continuity

Connector

Terminal

Connector

Terminal

D63

8

D67

1

Existed

9

3

Rear power window switch LH

Ground

Continuity

Connector

Terminal

D63

8

Not existed

9

PWC-42

< DTC/CIRCUIT DIAGNOSIS >

POWER WINDOW MOTOR

Check rear power window motor RH operation with power window main switch or rear power window switch
RH.
Is the inspection result normal?

YES

>> Rear power window motor RH is OK.

NO

>> Refer to

PWC-42, "REAR RH : Diagnosis Procedure"

.

REAR RH : Diagnosis Procedure

INFOID:0000000006217300

1.

CHECK REAR POWER WINDOW MOTOR INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect rear power window motor RH connector.

3.

Turn ignition switch ON.

4.

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

Is the inspection result normal?

YES

>> Replace rear power window motor RH. Refer to

GW-26, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK POWER WINDOW MOTOR CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect rear power window switch RH connector.

3.

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

4.

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

Is the inspection result normal?

YES

>> Replace rear power window switch RH. Refer to

PWC-74, "Removal and Installation"

.

NO

>> Repair or replace harness.

(+)

(–)

Condition

Voltage (V)

(Approx.)

Rear power window motor RH

Connector

Terminal

D47

1

Ground

Rear power window switch RH

UP

12

DOWN

0

3

UP

0

DOWN

12

Rear power window switch RH

Rear power window motor RH

Continuity

Connector

Terminal

Connector

Terminal

D43

8

D47

1

Existed

9

3

Rear power window switch RH

Ground

Continuity

Connector

Terminal

D43

8

Not existed

9

ENCODER

PWC-43

< DTC/CIRCUIT DIAGNOSIS >

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ENCODER

DRIVER SIDE

DRIVER SIDE : Component Function Check

INFOID:0000000006217301

1.

CHECK ENCODER

Check that driver side door glass performs AUTO open/close operation normally by power window main
switch.
Is the inspection result normal?

YES

>> Encoder is OK.

NO

>> Refer to

PWC-43, "DRIVER SIDE : Diagnosis Procedure"

.

DRIVER SIDE : Diagnosis Procedure

INFOID:0000000006217302

1.

CHECK ENCODER SIGNAL

1.

Turn ignition switch ON.

2.

Check signal between power window main switch harness connector and ground with oscilloscope.

Is the inspection result normal?

YES

>> Replace power window main switch. Refer to

PWC-74, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK ENCORDER SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect power window main switch connector and front power window motor (driver side) connector.

3.

Check continuity between power window main switch harness connector and front power window motor
(driver side) harness connector.

4.

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

Signal name

(+)

(–)

Signal

(Reference value)

Power window main switch

Connector

Terminal

Encoder signal 1

D5

13

Ground

Refer to following signal

Encoder signal 2

9

JMKIA5210GB

Power window main switch

Front power window motor

(driver side)

Continuity

Connector

Terminal

Connector

Terminal

D5

9

D7

6

Existed

13

5