Infiniti FX35, FX50 (S51). Manual - part 1493

 

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Infiniti FX35, FX50 (S51). Manual - part 1493

 

 

ENCODER

PWC-33

< DTC/CIRCUIT DIAGNOSIS >

[FRONT & REAR 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

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

PWC-137, "Removal and Installa-

tion"

NO

>> Repair or replace harness.

6.

CHECK GROUND CIRCUIT 2

1.

Disconnect front power window switch (passenger side) connector.

2.

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

Is the inspection result normal?

YES

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

PWC-137, "Removal and Installa-

tion"

NO

>> Repair or replace harness.

REAR LH

REAR LH : Description

INFOID:0000000005248184

Detects condition of the rear power window motor LH operation and transmits to rear power window switch LH
as the pulse signal.

REAR LH : Component Function Check

INFOID:0000000005248185

1.

CHECK ENCODER OPERATION

Check that rear door LH glass performs AUTO open/close operation normally by power window main switch or
rear power window switch LH.

Is the inspection result normal?

YES

>> Encoder operation is OK.

NO

>> Refer to 

PWC-33, "REAR LH : Diagnosis Procedure"

.

REAR LH : Diagnosis Procedure

INFOID:0000000005248186

1.

CHECK ENCODER SIGNAL

1.

Turn ignition switch ON.

2.

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

Front power window switch (passenger side) 

Ground

Continuity

Connector

Terminal

D38

4

Not existed

Front power window switch (passenger side)

Front power window motor (passenger side) 

Continuity

Connector

Terminal

Connector

Terminal

D38

3

D40

6

Existed

(+)

(–)

Signal

(Reference value)

Rear power window switch LH

Connector

Terminal 

D57

12

Ground

Refer to following signal

15

PWC-34

< DTC/CIRCUIT DIAGNOSIS >

[FRONT & REAR WINDOW ANTI-PINCH]

ENCODER

Is the inspection result normal?

YES

>> Replace rear power window switch LH. Refer to 

PWC-138, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK ENCORDER SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect rear power window switch LH connector and rear power window motor LH connector.

3.

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

4.

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

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK ENCORDER POWER SUPPLY CIRCUIT 1

1.

Connect rear power window switch LH connector.

2.

Turn ignition switch ON.

3.

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

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 5.

4.

CHECK GROUND CIRCUIT 1

1.

Turn ignition switch OFF.

2.

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

JMKIA2927GB

Rear power window switch LH

Rear power window motor LH

Continuity

Connector

Terminal

Connector

Terminal

D57

12

D52

5

Existed

15

6

Rear power window switch LH 

Ground

Continuity

Connector

Terminal

D57

12

Not existed

15

(+)

(–)

Voltage (V)

(Approx.)

Rear power window motor LH

Connector

Terminal 

D52

2

Ground

Battery voltage

Rear power window motor LH 

Ground

Continuity 

Connector

Terminal

D52

4

Existed

ENCODER

PWC-35

< DTC/CIRCUIT DIAGNOSIS >

[FRONT & REAR 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

>> Replace rear power window motor LH. Refer to 

GW-27, "Removal and Installation"

.

NO

>> GO TO 6.

5.

CHECK ENCORDER POWER SUPPLY CIRCUIT2

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-138, "Removal and Installation"

.

NO

>> Repair or replace harness.

6.

CHECK GROUND CIRCUIT 2

1.

Disconnect rear power window switch LH harness connector.

2.

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

Is the inspection result normal?

YES

>> Replace rear power window switch LH. Refer to 

PWC-138, "Removal and Installation"

.

NO

>> Repair or replace harness.

REAR RH

REAR RH : Description

INFOID:0000000005248187

Detects condition of the rear power window motor RH operation and transmits to rear power window switch
RH as the pulse signal. 

REAR RH : Component Function Check

INFOID:0000000005248188

1.

CHECK ENCODER OPERATION

Check that rear door RH glass performs AUTO open/close operation normally by power window main switch
or rear power window switch RH.

Is the inspection result normal?

YES

>> Encoder operation is OK.

NO

>> Refer to 

PWC-35, "REAR RH : Diagnosis Procedure"

.

REAR RH : Diagnosis Procedure

INFOID:0000000005248189

1.

CHECK ENCODER SIGNAL

1.

Turn ignition switch ON.

2.

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

Rear power window switch LH 

Rear power window motor LH

Continuity

Connector

Terminal

Connector

Terminal

D57

4

D52

2

Existed

Rear power window switch LH

Ground

Continuity

Connector

Terminal

D57

4

Not existed

Rear power window switch LH 

Rear power window motor LH

Continuity

Connector

Terminal

Connector

Terminal

D57

3

D52

4

Existed

PWC-36

< DTC/CIRCUIT DIAGNOSIS >

[FRONT & REAR WINDOW ANTI-PINCH]

ENCODER

Is the inspection result normal?

YES

>> Replace rear power window switch RH. Refer to 

PWC-138, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK ENCODER SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect rear power window switch RH connector and rear power window motor RH connector.

3.

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

4.

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

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK ENCODER POWER SUPPLY CIRCUIT 1

1.

Connect rear power window switch RH connector.

2.

Turn ignition switch ON.

3.

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

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 5.

(+)

(–)

Signal

(Reference value)

Rear power window switch RH

Connector

Terminal

D77

12

Ground

Refer to following signal

15

JMKIA2927GB

Rear power window switch RH

Rear power window motor RH

Continuity

Connector

Terminal

Connector

Terminal

D77

12

D72

5

Existed

15

6

Rear power window switch RH

Ground

Continuity

Connector

Terminal

D77

12

Not existed

15

(+)

(–)

Voltage (V)

(Approx.)

Rear power window motor RH

Connector

Terminal

D72

2

Ground

Battery voltage

 

 

 

 

 

 

 

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