Infiniti M35/M45 Y50. Manual - part 814

POWER WINDOW SYSTEM

GW-53

C

D

E

F

G

H

J

K

L

M

A

B

GW

3. 

CHECK DOOR KEY CYLINDER SWITCH GROUND 

Check continuity between front door lock assembly (driver side) connector ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace harness.

4. 

CHECK DOOR KEY CYLINDER SWITCH

Check front door lock assembly (driver side).

OK or NG

OK

>> Further inspection is necessary. Refer to symptom

chart.

NG

>> Replace front door key cylinder (driver side) switch.

Front door lock 

assembly 

(driver side)

 connector

Terminal

Ground

Continuity 

D14

4

Yes

PIIB5974E

Terminal

Key position

Continuity

Front door lock assembly 

(driver side)

5 

4

Unlock

Yes

Neutral / Lock

No

6

Lock

Yes

Neutral / Unlock

No

PIIB5975E

GW-54

POWER WINDOW SYSTEM

Check power Window Serial Link  (Passenger Side)

NIS00223

1. 

CHECK POWER WINDOW SWITCH OUTPUT SIGNAL

With CONSULT-II

Check (“CDL LOCK SW ”, “CDL UNLOCK SW”) in DATA MONITOR mode for “POWER DOOR LOCK SYS-
TEM” with CONSULT-II. Refer to 

GW-30, "DATE MONITOR"

 .

Without CONSULT-II

1.

Remove key from ignition switch, and the door of driver side and passenger side is closed.

2.

Check signal between BCM connector and ground with oscilloscope when door lock and unlock switch
(driver side and passenger side) is turned “LOCK” or “UNLOCK”.

3.

Make sure signals which are shown in the figure below can be detected during 10 second just after door
lock and unlock switch (driver side and passenger side) is turned “LOCK” or “UNLOCK”.

OK or NG

OK

>> Power window serial link is OK.

NG

>> GO TO 2.

Monitor item

Condition

CDL LOCK SW 

LOCK

: ON

UNLOCK

: OFF

CDL UNLOCK SW 

LOCK

: OFF

UNLOCK

: ON

PIIA7068E

Terminal

Signal

(Reference value)

(+)

(–)

BCM connector

Terminal 

M1

22

Ground

PIIB5957E

PIIA1297E

POWER WINDOW SYSTEM

GW-55

C

D

E

F

G

H

J

K

L

M

A

B

GW

2. 

CHECK POWER WINDOW SWITCH GROUND 

1.

Turn ignition switch OFF.

2.

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

3.

Check continuity between power window main switch connector and ground.

4.

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

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness.

3. 

CHECK POWER WINDOW SERIAL LINK CIRCUIT

1.

Disconnect BCM connector.

2.

Check continuity between BCM connector and power window main switch connector.

3.

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

OK or NG

OK

>> Replace power window main switch.

NG

>> Repair or replace harness.

Power window main 

switch connector

Terminal

Ground

Continuity 

D11

17

Yes

PIIB5937E

Power window 

sub-switch 

(front passenger side) 

connector

Terminal

Ground

Continuity 

D46

11

Yes

PIIB5941E

A

B

Continuity 

BCM connector

Terminal

Power window 

main switch

connector

Terminal

M1

22

D10

14

Yes

PIIB5958E

A

B

Continuity 

BCM connector

Terminal

Power window 

sub- switch 

(front passenger side)

 connector

Terminal

M1

22

D46

16

Yes

PIIB5959E

GW-56

POWER WINDOW SYSTEM

Check power Window Serial Link (Rear LH or RH)

NIS00224

1. 

CHECK POWER WINDOW SWITCH

Change with operative power window sub-switch (rear LH or RH).
Whether operates normally is confirmed?

YES

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

NO

>> GO TO 2.

2. 

CHECK HARNESS CONTINUITY

1.

Turn ignition switch OFF.

2.

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

3.

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

OK or NG

OK

>> Replace power window main switch.

NG

>> Repair or replace harness.

Check power Window Lock Switch 

NIS00225

1. 

CHECK POWER WINDOW LOCK SIGNAL

Exchanges for a normal power window main switch, and operation is checked.

Does power window lock operate?

YES

>> Replace power window main switch.

NO

>> Check condition of harness and connector.

A

B

Continuity 

Power window 

main switch

connector

Terminal

Power window 

sub- switch

 (rear LH or RH) 

connector

Terminal

D10

14

D60 (LH)

D80 (RH)

16

Yes

PIIB5960E