Infiniti EX35. Manual - part 1191

PWC-28

< COMPONENT DIAGNOSIS >

ENCODER CIRCUIT

ENCODER CIRCUIT

DRIVER SIDE

DRIVER SIDE : Description

INFOID:0000000003573491

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

DRIVER SIDE : Component Function Check

INFOID:0000000003573492

1.

CHECK ENCODER OPERATION

Check front driver side door glass perform AUTO open/close operation normally with power window main
switch.
Is the inspection result normal?

YES

>> Encoder operation is OK.

NO

>> Refer to 

PWC-28, "DRIVER SIDE : Diagnosis Procedure"

DRIVER SIDE : Diagnosis Procedure

INFOID:0000000003573493

Encoder Circuit Check

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-112, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK ENCODER 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.

 Power window main switch 

Ground

Signal

(Reference value)

Connector

Terminal 

D8

9

Refer to following signal

13

JMKIA0220GB

Power window main switch

Front power window motor (driver side)

Continuity

Connector

Terminal

Connector

Terminal

D8

9

D10

3

Existed

13

5

ENCODER CIRCUIT

PWC-29

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

O

P

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK ENCODER POWER SUPPLY

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 4.

NO

>> GO TO 5.

4.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

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

3.

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

Is the inspection result normal?

YES

>> Replace front power window motor. Refer to 

GW-20, "Removal and Installation"

NO

>> Repair or replace harness or connector.

5.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

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

3.

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-112, "Removal and Installation"

.

Power window main switch

Ground

Continuity

Connector

Terminal

D8

9

Not existed

13

Front power window motor (driver side)

Ground

Voltage (V)

(Approx.)

Connector

Terminal 

D10

4

Battery voltage

Power window main switch

Front power window motor (driver side)

Continuity 

Connector

Terminal

Connector

Terminal

D8

2

D10

6

Existed

Front power window motor (driver side)

Ground

Continuity 

Connector

Terminal

D10

6

Not existed

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

PWC-30

< COMPONENT DIAGNOSIS >

ENCODER CIRCUIT

NO

>> Repair or replace harness.

PASSENGER SIDE

PASSENGER SIDE : Description

INFOID:0000000003573494

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

PASSENGER SIDE : Component Function Check

INFOID:0000000003573495

1.

CHECK ENCODER OPERATION

Check front driver side door glass perform AUTO open/close operation normally with front power window
switch (passenger side).

Is the inspection result normal?

YES

>> Encoder operation is OK.

NO

>> Refer to 

PWC-30, "PASSENGER SIDE : Diagnosis Procedure"

PASSENGER SIDE : Diagnosis Procedure

INFOID:0000000003573496

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-112, "Removal and Installa-

tion"

.

NO

>> GO TO 2.

2.

CHECK ENCODER SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

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.

Front power window switch (passenger side)

Ground

Signal

(Reference value)

Connector

Terminal 

D38

12

Refer to following signal

15

JMKIA2265ZZ

Front power window switch (passenger side)

Front power window motor (passenger side)

Continuity

Connector

Terminal

Connector

Terminal

D38

12

D40

5

Existed

15

3

ENCODER CIRCUIT

PWC-31

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

O

P

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness or connector.

3.

CHECK ENCODER POWER SUPPLY

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.

Turn ignition switch OFF.

2.

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

3.

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-20, "Removal and Installation"

NO

>> Repair or replace harness or connector.

5.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

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

3.

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

Is the inspection result normal?

Front power window switch (passenger side)

Ground

Continuity

Connector

Terminal

D38

12

Not existed

15

 Front power window motor (passenger side)

Ground

Voltage (V)

(Approx.)

Connector

Terminal 

D40

4

Battery voltage

Front power window switch (passenger side)

Front power window motor (passenger side)

Continuity

Connector

Terminal

Connector

Terminal

D38

3

D40

6

Existed

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

Front power window switch (passenger side)

Ground

Continuity

Connector

Terminal

D38

4

Not existed