Infiniti FX35, FX50 (S51). Manual - part 1522

 

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Infiniti FX35, FX50 (S51). Manual - part 1522

 

 

POWER SUPPLY AND GROUND CIRCUIT

PWC-149

< DTC/CIRCUIT DIAGNOSIS >

[FRONT WINDOW ANTI-PINCH]

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

O

P

3.

Turn ignition switch ON.

4.

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

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> GO TO 3.

2.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

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.

3.

CHECK POWER SUPPLY CIRCUIT 2

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

3.

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

4.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-83, "Exploded View"

.

NO

>> Repair or replace harness.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-36, "Intermittent Incident"

>> INSPECTION END

FRONT POWER WINDOW SWITCH (PASSENGER SIDE)

FRONT POWER WINDOW SWITCH (PASSENGER SIDE) : Diagnosis Procedure

INFOID:0000000005248265

1.

CHECK POWER SUPPLY CIRCUIT 1

1.

Turn ignition switch OFF.

(+)

(–)

Voltage (V)

(Approx.)

Power window main switch

Connector

Terminal 

D8

10

Ground

Battery voltage

D9

19

Power window main switch 

Ground

Continuity 

Connector

Terminal

D9

17

Existed

BCM

Power window main switch

Continuity

Connector

Terminal

Connector

Terminal

M118

2

D9

19

Existed

3

D8

10

BCM 

Ground

Continuity

Connector

Terminal

M118

2

Not existed

3

PWC-150

< DTC/CIRCUIT DIAGNOSIS >

[FRONT WINDOW ANTI-PINCH]

POWER SUPPLY AND GROUND CIRCUIT

2.

Disconnect front power window switch (passenger side) connector.

3.

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

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> GO TO 3.

2.

CHECK GROUND CIRCUIT

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

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

3.

CHECK POWER SUPPLY CIRCUIT 2 

1.

Disconnect BCM connector.

2.

Check continuity between BCM harness connector and front power window switch (passenger side) har-
ness connector.

3.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-83, "Exploded View"

.

NO

>> Repair or replace harness.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-36, "Intermittent Incident"

>> INSPECTION END

REAR POWER WINDOW SWITCH

REAR POWER WINDOW SWITCH : Diagnosis Procedure

INFOID:0000000005248266

1.

CHECK POWER SUPPLY CIRCUIT 1

1.

Turn ignition switch OFF.

2.

Disconnect rear power window switch connectors.

3.

Turn ignition switch ON.

4.

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

(+)

(–)

Voltage (V)

(Approx.)

Front power window switch 

(passenger side)

Connector

Terminal

D38

10

Ground

Battery voltage

Front power window switch

(passenger side)

Ground

Continuity 

Connector

Terminal

D38

11

Existed

BCM

Front power window switch

(passenger side)

Continuity

Connector

Terminal

Connector

Terminal

M118

2

D38

10

Existed

BCM

Ground

Continuity

Connector

Terminal

M118

2

Not existed

POWER SUPPLY AND GROUND CIRCUIT

PWC-151

< DTC/CIRCUIT DIAGNOSIS >

[FRONT WINDOW ANTI-PINCH]

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

O

P

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> GO TO 3.

2.

CHECK GROUND CIRCUIT

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

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

3.

CHECK POWER SUPPLY CIRCUIT 2

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

3.

Check continuity between BCM harness connector and rear power window switch harness connector.

4.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-83, "Exploded View"

.

NO

>> Repair or replace harness.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-36, "Intermittent Incident"

>> INSPECTION END

(+)

(–)

Voltage (V)

(Approx.)

Rear power window switch 

Connector

Terminal

LH

D54

1

Ground

Battery voltage

RH

D74

Rear power window switch

Ground

Continuity

Connector

Terminal

LH

D54

7

Existed

RH

D74

BCM

Rear power window switch

Continuity

Connector

Terminal

Connector

Terminal

M118

3

LH

D54

1

Existed

RH

D74

BCM

Ground

Continuity

Connector

Terminal

M118

3

Not existed

PWC-152

< DTC/CIRCUIT DIAGNOSIS >

[FRONT WINDOW ANTI-PINCH]

REAR POWER WINDOW SWITCH

REAR POWER WINDOW SWITCH 

Description

INFOID:0000000005248267

• BCM supplies power.
• When power window switch is operated, corresponding power window motor is activated and rear door

glass moves UP/DOWN.

Component Function Check

INFOID:0000000005248268

1.

 CHECK REAR POWER WINDOW FUNCTION

Check rear power window motor operation with rear power window switch.

Is the inspection result normal?

YES

>> Rear power window switch is OK.

NO

>> Refer to 

PWC-152, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005248269

1.

CHECK REAR POWER WINDOW MOTOR INPUT SIGNAL

1.

Turn ignition switch ON.

2.

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

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> GO TO 3.

2.

CHECK REAR POWER WINDOW SWITCH

Check rear power window switch.
Refer to 

PWC-153, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace rear power window switch. Refer to 

PWC-251, "Removal and Installation"

.

3.

CHECK HARNESS CONTINUITY 

1.

Turn ignition switch OFF.

2.

Disconnect power window main switch connector and rear power window switch connector.

3.

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

(+)

(–)

Condition

Voltage (V)

(Approx.)

Rear power window switch

Connector

Terminal

LH

D54

2

Ground

Power window main switch 
(rear LH)

UP

Battery voltage

DOWN

0

3

UP

0

 DOWN

Battery voltage

RH

D74

2

Power window main switch 
(rear RH)

UP

Battery voltage

DOWN

0

3

UP

0

 DOWN

Battery voltage

 

 

 

 

 

 

 

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