Infiniti FX35, FX50 (S51). Manual - part 1492

 

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Infiniti FX35, FX50 (S51). Manual - part 1492

 

 

ENCODER

PWC-29

< DTC/CIRCUIT DIAGNOSIS >

[FRONT & REAR WINDOW ANTI-PINCH]

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

O

P

ENCODER

DRIVER SIDE

DRIVER SIDE : Description

INFOID:0000000005248178

Detects condition of the front power window motor (driver side) operation and transmits to power window main
switch as the pulse signal. 

DRIVER SIDE : Component Function Check

INFOID:0000000005248179

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-29, "DRIVER SIDE : Diagnosis Procedure"

.

DRIVER SIDE : Diagnosis Procedure

INFOID:0000000005248180

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-136, "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

(Reference value)

Power window main switch

Connector

Terminal 

D8

9

Ground

Refer to following signal

13

JMKIA2682GB

Power window main switch

Front power window motor

(driver side)

Continuity

Connector

Terminal

Connector

Terminal

D8

9

D10

3

Existed

13

5

PWC-30

< DTC/CIRCUIT DIAGNOSIS >

[FRONT & REAR WINDOW ANTI-PINCH]

ENCODER

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK ENCORDER POWER SUPPLY CIRCUIT 1

1.

Connect power window main switch connector.

2.

Turn ignition switch ON.

3.

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

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> GO TO 4.

4.

CHECK ENCORDER POWER SUPPLY CIRCUIT 2

1.

Turn ignition switch OFF.

2.

Disconnect power window main switch 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.

Is the inspection result normal?

YES

>> Replace power window main switch. Refer to 

PWC-136, "Removal and Installation"

NO

>> Repair or replace harness.

5.

CHECK GROUND CIRCUIT 1

1.

Turn ignition switch OFF.

2.

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

Is the inspection result normal?

YES

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

GW-21, "Removal and Installation"

.

NO

>> GO TO 6.

6.

CHECK GROUND CIRCUIT 2

1.

Disconnect power window main switch connector.

Power window main switch

Ground

Continuity

Connector

Terminal

D8

9

Not existed

13

(+)

(–)

Voltage (V)

(Approx.)

Front power window motor (driver side)

Connector

Terminal 

D10

4

Ground

Battery voltage

Power window main switch

Front power window motor (driver side)

Continuity

Connector

Terminal

Connector

Terminal

D8

15

D10

4

Existed

Power window main switch

Ground

Continuity

Connector

Terminal

D8

15

Not existed

Front power window motor (driver side)

Ground

Continuity 

Connector

Terminal

D10

6

Existed

ENCODER

PWC-31

< DTC/CIRCUIT DIAGNOSIS >

[FRONT & REAR WINDOW ANTI-PINCH]

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

O

P

2.

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

Is the inspection result normal?

YES

>> Replace power window main switch. Refer to 

PWC-136, "Removal and Installation"

NO

>> Repair or replace harness.

PASSENGER SIDE

PASSENGER SIDE : Description

INFOID:0000000005248181

Detects condition of the front power window motor (passenger side) operation and transmits to front power
window switch (passenger side) as the pulse signal. 

PASSENGER SIDE : Component Function Check

INFOID:0000000005248182

1.

CHECK ENCODER

Check that passenger side door glass performs AUTO open/close operation normally by power window main
switch or front power window switch (passenger side).

Is the inspection result normal?

YES

>> Encoder is OK.

NO

>> Refer to 

PWC-31, "PASSENGER SIDE : Diagnosis Procedure"

.

PASSENGER SIDE : Diagnosis Procedure

INFOID:0000000005248183

1.

CHECK ENCODER SIGNAL

1.

Turn ignition switch ON.

2.

Check signal between front power window switch (passenger side) harness connector and ground with
oscilloscope.

Is the inspection result normal?

YES

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

PWC-137, "Removal and Installa-

tion"

NO

>> GO TO 2.

2.

CHECK ENCORDER SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

Power window main switch 

Front power window motor (driver side)

Continuity

Connector

Terminal

Connector

Terminal

D8

2

D10

6

Existed

(+)

(–)

Signal

(Reference value)

Front power window switch (passenger side)

Connector

Terminal 

D38

12

Ground

Refer to following signal

15

JMKIA2927GB

PWC-32

< DTC/CIRCUIT DIAGNOSIS >

[FRONT & REAR WINDOW ANTI-PINCH]

ENCODER

2.

Disconnect front power window switch (passenger side) connector and front power window motor (pas-
senger 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) 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 front power window switch (passenger side) connector.

2.

Turn ignition switch ON.

3.

Check voltage between front power window motor (passenger side) 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 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 Installation"

.

NO

>> GO TO 6.

5.

CHECK ENCORDER POWER SUPPLY CIRCUIT 2 

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) harness connector and ground.

Front power window switch (passenger side)

Front power window motor (passenger side)

Continuity

Connector

Terminal

Connector

Terminal

D38

12

D40

5

Existed

15

3

Front power window switch (passenger side)

Ground

Continuity

Connector

Terminal

D38

12

Not existed

15

(+)

(–)

Voltage (V)

(Approx.)

Front power window motor (passenger side)

Connector

Terminal 

D40

4

Ground

Battery voltage

Front power window motor (passenger side)

Ground

Continuity 

Connector

Terminal

D40

6

Existed

Front power window switch (passenger side)

Front power window motor (passenger side)

Continuity

Connector

Terminal

Connector

Terminal

D38

4

D40

4

Existed

 

 

 

 

 

 

 

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