Infiniti M35/M45 Y50. Manual - part 812

POWER WINDOW SYSTEM

GW-45

C

D

E

F

G

H

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K

L

M

A

B

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4. 

CHECK HARNESS CONTINUITY 2

1.

Disconnect power window sub-switch (front passenger side) connector.

2.

Check continuity between power window sub-switch (front passenger side) connector power window
motor (front passenger side) connector.

OK or NG

OK

>> Replace power window sub-switch (front passenger

side).

NG

>> Repair or replace harness.

5. 

CHECK ENCODER SIGNAL

1.

Connect power window motor (front passenger side) connector.

2.

Turn ignition switch ON.

3.

Check signal between power window sub-switch (front passenger side) connector and ground with oscillo-
scope.

OK or NG

OK

>> Replace power window sub-switch (front passenger side).

NG

>> GO TO 6.

A

B

Continuity 

Power window 

sub- switch 

(front passenger side) 

connector

Terminal

Power window 

motor 

(front passenger side) 

connector

Terminal

D46

3

D42

6

Yes

PIIB5965E

Terminal

Signal

(Reference value)

(+)

(–)

 Power window 

sub-switch

 (front passenger side) 

connector

Terminal 

D46

12

Ground

Refer to following 

signal

15

PIIB5966E

PIIB5954E

GW-46

POWER WINDOW SYSTEM

6. 

CHECK HARNESS CONTINUITY 3

1.

Turn ignition switch OFF.

2.

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

3.

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

4.

Check continuity between power window sub-switch (front pas-
senger side) connector and power window motor (front passen-
ger side) connector.

OK or NG

OK

>> Replace power window motor (front passenger side).

NG

>> Repair or replace harness.

Check encoder Circuit  (Rear LH or RH)

NIS00220

1. 

CHECK POWER WINDOW MOTOR (REAR LH OR RH) POWER SUPPLY

1.

Turn ignition switch ON.

2.

Check voltage between power window motor (rear LH or RH) connector and ground.

OK or NG

OK

>> GO TO 3.

NG

>> GO TO 2.

A

B

Continuity 

Power window 

sub- switch

(front passenger side)

 connector

Terminal

Power window 

motor 

(front passenger side) 

connector

Terminal

D46

12

D42

5

Yes

15

3

A

Ground

Continuity 

Power window 

sub-switch 

(front passenger side) 

connector

Terminal

D46

12

No

15

PIIB5967E

Terminal

Voltage (V)

(Approx.)

(+)

(–)

 Power window 

motor 

(rear LH or RH) 

connector

Terminal 

D58 (LH)

D78 (RH)

5

Ground

10

PIIB5968E

POWER WINDOW SYSTEM

GW-47

C

D

E

F

G

H

J

K

L

M

A

B

GW

2. 

CHECK HARNESS CONTINUITY 1

1.

Turn ignition switch OFF.

2.

Disconnect power window sub-switch (rear LH or RH) and power window motor (rear LH or RH) connec-
tor.

3.

Check continuity between power window sub-switch (rear LH or RH) connector and power window motor
(rear LH or RH) connector.

4.

Check continuity between power window sub-switch (rear LH or
RH) connector and ground.

OK or NG

OK

>> Replace power window sub-switch (rear LH or RH).

NG

>> Repair or replace harness.

3. 

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect power window motor (rear LH or RH) connector.

3.

Check continuity between power window motor (rear LH or RH) connector and ground.

OK or NG

OK

>> GO TO 5.

NG

>> GO TO 4.

A

B

Continuity 

Power window 

sub- switch 

(rear LH or RH) 

connector

Terminal

Power window 

motor 

(rear LH or RH) 

connector

Terminal

D60 (LH)

D80 (RH)

4

D58 (LH)

D78 (RH)

5

Yes

A

Ground

Continuity 

Power window 

sub- switch

 (rear LH or RH) 

connector

Terminal

D60 (LH)

D80 (RH)

4

No

PIIB5969E

Power window

 motor 

(rear LH or RH) 

connector

Terminal

Ground

Continuity 

D58 (LH)

D78 (RH)

3

Yes

PIIB5970E

GW-48

POWER WINDOW SYSTEM

4. 

CHECK HARNESS CONTINUITY 2

1.

Disconnect power window sub-switch (rear LH or RH) connector.

2.

Check continuity between power window sub-switch (rear LH or RH) connector and power window motor
(rear LH or RH) connector.

OK or NG

OK

>> Replace power window sub-switch (rear LH or RH).

NG

>> Repair or replace harness.

5. 

CHECK ENCODER SIGNAL

1.

Connect power window motor (rear LH or RH) connector.

2.

Turn ignition switch ON.

3.

Check signal between power window sub-switch (rear LH or RH) connector and ground with oscilloscope.

OK or NG

OK

>> Replace power window sub-switch (rear LH or RH).

NG

>> GO TO 6.

A

B

Continuity 

Power window 

sub- switch 

(rear LH or RH)

 connector

Terminal

Power window 

motor

 (rear LH or RH) 

connector

Terminal

D60 (LH)

D80 (RH)

3

D58 (LH)

D78 (RH)

3

Yes

PIIB5971E

Terminals

Signal

(Reference value)

(+)

(–)

Power window 

sub- switch

 (rear LH or RH) 

connector

Terminal 

D60 (LH)

D80 (RH)

12

Ground

Refer to following 

signal

15

PIIB5966E

PIIB5954E