Infiniti FX35, FX50 (S51). Manual - part 1491

POWER WINDOW MOTOR

PWC-25

< DTC/CIRCUIT DIAGNOSIS >

[FRONT & REAR WINDOW ANTI-PINCH]

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REAR RH : Diagnosis Procedure

INFOID:0000000005248172

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

>> GO TO 2.

NO

>> GO TO 3.

2.

CHECK REAR POWER WINDOW MOTOR RH

Check rear power window motor RH. 
Refer to 

PWC-26, "REAR RH : Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace rear power window motor RH. Refer to 

GW-27, "Removal and Installation"

.

3.

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-138, "Removal and Installation"

.

NO

>> Repair or replace harness.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-36, "Intermittent Incident"

.

>> INSPECTION END

(+)

(–)

Condition

Voltage (V)

(Approx.)

Rear power window motor RH

Connector

Terminal 

D72

1

Ground

Rear power window switch RH

UP

Battery voltage

DOWN

0

3

UP

0

DOWN

Battery voltage

Rear power window switch RH

Rear power window motor RH

Continuity

Connector

Terminal

Connector

Terminal

D77

8

D72

1

Existed

9

3

Rear power window switch RH

Ground

Continuity

Connector

Terminal

D77

8

Not existed

9

PWC-26

< DTC/CIRCUIT DIAGNOSIS >

[FRONT & REAR WINDOW ANTI-PINCH]

POWER WINDOW MOTOR

REAR RH : Component Inspection

INFOID:0000000005248173

COMPONENT INSPECTION

1.

CHECK REAR POWER WINDOW MOTOR RH

1.

Turn ignition switch OFF.

2.

Disconnect rear power window motor RH connector.

3.

Check motor operation by connecting the battery voltage directly to rear power window motor RH connec-
tor.

Is the inspection result normal?

YES

>> Rear power window motor RH is OK.

NO

>> Replace rear power window motor RH. Refer to 

GW-27, "Removal and Installation"

.

Rear power window motor RH con-

nector

Terminal

Motor condition

(+)

(–)

D72

1

3

UP

3

1

DOWN

DOOR SWITCH

PWC-27

< DTC/CIRCUIT DIAGNOSIS >

[FRONT & REAR WINDOW ANTI-PINCH]

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DOOR SWITCH

Description

INFOID:0000000005248174

Detects door open/closed condition.

Component Function Check

INFOID:0000000005248175

1.

CHECK FUNCTION

Check door switches (“DOOR SW-DR”, “DOOR SW-AS”) in “Data Monitor” mode with CONSULT-III.

Is the inspection result normal?

YES

>> Door switch is OK.

NO

>> Refer to 

PWC-27, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005248176

1.

CHECK FRONT DOOR SWITCH INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect malfunction front door switch connector.

3.

Check signal between malfunction front door switch harness connector and ground with oscilloscope.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK DOOR SWITCH CIRCUIT 

1.

Disconnect BCM connector.

2.

Check continuity between BCM harness connector and malfunction door switch harness connector.

3.

Check continuity between BCM harness connector and ground.

Monitor item

Door condition

Display

DOOR SW-DR

CLOSE 

→

 OPEN

OFF 

→

 ON

DOOR SW-AS

(+)

(–)

Voltage (V)

(Approx.)

Front door switch

Connector

Terminal

Driver side

B16

2

Ground

Passenger side

B216

JPMIA0011GB

BCM

Front door switch

Continuity 

Connector

Terminal

Connector

Terminal

M123

124

B216

2

Exists

150

B16

BCM

Ground

Continuity 

Connector

Terminal

M123

124

Not exist

150

PWC-28

< DTC/CIRCUIT DIAGNOSIS >

[FRONT & REAR WINDOW ANTI-PINCH]

DOOR SWITCH

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-83, "Exploded View"

.

NO

>> Repair or replace harness.

3.

CHECK FRONT DOOR SWITCH 

Check front door switch.
Refer to 

PWC-28, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace malfunction front door switch. Refer to 

DLK-280, "Removal and Installation"

.

4.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-36, "Intermittent Incident"

.

>> INSPECTION END

Component Inspection

INFOID:0000000005248177

1.

CHECK FRONT DOOR SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect malfunction front door switch connector.

3.

Check malfunction front door switch.

Is the inspection result normal?

YES

>> Front door switch is OK.

NO

>> Replace malfunction front door switch. Refer to 

DLK-280, "Removal and Installation"

.

(+)

(-)

Condition

Continuity

Front door switch

Connector

Terminal

 Driver side

B16

2

Ground part of 

door switch 

Door switch pressed

Not exist

Door switch released

Exists

Passenger side

B216

2

Door switch pressed

Not exist

Door switch released

Exists