Infiniti M35/M45 Y50. Manual — part 811

POWER WINDOW SYSTEM

GW-41

C

D

E

F

G

H

J

K

L

M

A

B

GW

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect power window motor (front driver side) connector.

3.

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

OK or NG

OK

>> GO TO 5.

NG

>> GO TO 4.

4.

CHECK HARNESS CONTINUITY 2

1.

Disconnect power window main switch connector.

2.

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

OK or NG

OK

>> Replace power window main switch.

NG

>> Repair or replace harness.

Power window motor

(front driver side)

connector

Terminal

Ground

Continuity

D12

6

Yes

PIIB5949E

A

B

Continuity

Power window main

switch connector

Terminal

Power window

motor

(front driver side)

connector

Terminal

D10

2

D12

6

Yes

PIIB5950E

GW-42

POWER WINDOW SYSTEM

5.

CHECK ENCODER SIGNAL

1.

Connect power window motor (front driver side) connector.

2.

Turn ignition switch ON.

3.

Check signal between power window main switch connector and ground with oscilloscope.

OK or NG

OK

>> Replace power window main switch.

NG

>> GO TO 6.

Terminals

Signal

(Reference value)

(+)

(–)

Power window

main switch

connector

Terminal

D10

9

Ground

Refer to following

signal

13

PIIB5951E

PIIB5952E

POWER WINDOW SYSTEM

GW-43

C

D

E

F

G

H

J

K

L

M

A

B

GW

6.

CHECK HARNESS CONTINUITY 3

1.

Turn ignition switch OFF.

2.

Disconnect power window main switch and power window motor (front driver side) connector.

3.

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

4.

Check continuity between power window main switch connector
and ground.

OK or NG

OK

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

NG

>> Repair or replace harness.

Check encoder Circuit (Passenger Side)

NIS0021Z

1.

CHECK POWER WINDOW MOTOR (FRONT PASSENGER SIDE) POWER SUPPLY

1.

Turn ignition switch ON.

2.

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

OK or NG

OK

>> GO TO 3.

NG

>> GO TO 2.

A

B

Continuity

Power window

main switch

connector

Terminal

Power window

motor

(front driver side)

connector

Terminal

D10

9

D12

3

Yes

13

5

A

Ground

Continuity

Power window main

switch connector

Terminal

D10

9

No

13

PIIB5953E

Terminal

Voltage (V)

(Approx.)

(+)

(–)

Power window motor

(front passenger side)

connector

Terminal

D42

4

Ground

10

PIIB5962E

GW-44

POWER WINDOW SYSTEM

2.

CHECK HARNESS CONTINUITY 1

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 ground.

OK or NG

OK

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

NG

>> Repair or replace harness.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect power window motor (front passenger side) connector.

3.

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

OK or NG

OK

>> GO TO 5.

NG

>> GO TO 4.

A

B

Continuity

Power window sub-

switch

(front passenger side)

connector

Terminal

Power window motor

(front passenger side)

connector

Terminal

D46

4

D42

4

Yes

A

Ground

Continuity

Power window

sub-switch

(front passenger side)

connector

Terminal

D46

4

No

PIIB5963E

Power window motor

(front passenger side)

connector

Terminal

Ground

Continuity

D42

6

Yes

PIIB5964E