Infiniti FX35 / FX45. Manual - part 739

GW-40

< SERVICE INFORMATION >

POWER WINDOW SYSTEM

5.

CHECK ENCODER SIGNAL

1.

Connect front power window motor (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.

6.

CHECK HARNESS CONTINUITY 3

1.

Turn ignition switch OFF.

2.

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

3.

Check continuity between power window main switch connector
D6 terminal 13 and front power window motor (driver side) con-
nector D8 terminal 3.

OK or NG

OK

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

NG

>> Repair or replace harness.

Check Encoder Circuit (Passenger Side)

INFOID:0000000001327984

1.

CHECK FRONT POWER WINDOW MOTOR (PASSENGER SIDE) POWER SUPPLY

1.

Turn ignition switch ON.

2.

Check voltage between front power window motor (passenger
side) connector D38 terminal 4 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> GO TO 2.

2.

CHECK HARNESS CONTINUITY 1

1.

Turn ignition switch OFF.

2.

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

Connec-

tor

Terminals (Wire color)

Condition

Signal

(Reference value)

(+)

(-)

D6

13 (PU)

Ground

Window 

DOWN

PIIA4205E

OCC3383D

13 (PU) – 3 (PU)

: Continuity should exist.

PIIA9975E

4 (R) – Ground

: Approx.10V

PIIA9976E

POWER WINDOW SYSTEM

GW-41

< SERVICE INFORMATION >

C

D

E

F

G

H

J

K

L

M

A

B

GW

N

O

P

3.

Check continuity between front power window switch (passen-
ger side) connector D36 terminal 4 and front power window
motor (passenger side) connector D38 terminal 4.

OK or NG

OK

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

NG

>> Repair or replace harness.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect front power window motor (passenger side) connector.

3.

Check continuity between front power window motor (passenger
side) connector D38 terminal 6 and   ground.

OK or NG

OK

>> GO TO 5.

NG

>> GO TO 4.

4.

CHECK HARNESS CONTINUITY 2

1.

Disconnect front power window switch (passenger side) connector.

2.

Check continuity between front power window switch (passen-
ger side) connector D36 terminal 3 and front power window
motor (passenger side) connector D38 terminal 6.

OK or NG

OK

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

NG

>> Repair or replace harness.

5.

CHECK ENCODER SIGNAL

1.

Connect front power window motor (passenger side) connector.

2.

Turn ignition switch ON.

3.

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

OK or NG

4 (R) – 4 (R)

: Continuity should exist.

PIIA9977E

6 (SB) – Ground

: Continuity should exist.

PIIA9966E

3 (SB) – 6 (SB)

: Continuity should exist.

PIIA9967E

Connec-

tor

Terminals (Wire color)

Condition

Signal

(Reference value)

(+)

(-)

D36

12 (PU)

Ground

Window 

DOWN

PIIA4209E

OCC3383D

GW-42

< SERVICE INFORMATION >

POWER WINDOW SYSTEM

OK

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

NG

>> GO TO 6.

6.

CHECK HARNESS CONTINUITY 3

1.

Turn ignition switch OFF.

2.

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

3.

Check continuity between front power window switch (passen-
ger side) connector D36 terminal 12 and front power window
motor (passenger side) connector D38 terminal 3.

OK or NG

OK

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

NG

>> Repair or replace harness.

Check Door Switch

INFOID:0000000001327985

1.

CHECK DOOR SWITCH INPUT SIGNAL

 With CONSULT-III

Check (“DOOR SW-DR” and “DOOR SW-AS”) in “DATA MONITOR” mode with CONSULT-III.

Without CONSULT-III

Check voltage between BCM connector M3, B14 terminals 12, 62 and ground.

OK or NG

OK

>> Door switch is OK.

NG

>> GO TO 2.

2.

CHECK HARNESS CONTINUITY

1.

Turn ignition switch OFF.

2.

Disconnect door switch and BCM connector.

12 (PU) – 3 (PU)

: Continuity should exist.

PIIA9978E

Monitor item

Condition

DOOR SW-DR

OPEN

: ON

CLOSE

: OFF

DOOR SW-AS

OPEN

: ON

CLOSE

: OFF

Item

Terminals (Wire color)

Door condition

Voltage [V]

(Approx.)

(+)

(–)

Passenger side 
door switch 

12 (P/B)

Ground

OPEN

0

CLOSE

Battery voltage

Driver side door 
switch

62 (W)

OPEN

0

CLOSE

Battery voltage

PIIA6158E

POWER WINDOW SYSTEM

GW-43

< SERVICE INFORMATION >

C

D

E

F

G

H

J

K

L

M

A

B

GW

N

O

P

3.

Check continuity between BCM connector M3, B14 terminals
12, 62 and door switch connector B26, B36 terminal 1.

4.

Check continuity between BCM connector M3, B14 terminals
12, 62 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness.

3.

CHECK DOOR SWITCH

Check continuity between door switches terminal 1 and ground part
of door switch.

OK or NG

OK

>> GO TO 4.

NG

>> Replace malfunction door switch.

4.

CHECK BCM OUTPUT SIGNAL

1.

Connect BCM connector.

2.

Check voltage between BCM connector M3, B14 terminals 12,
62 and ground.

OK or NG

OK

>> Further inspection is necessary, Refer to symptom

chart.

NG

>> Replace BCM.

Check Front Door Key Cylinder Switch

INFOID:0000000001327986

1.

CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL

With CONSULT-III

Check (“KEY CYL LK-SW”, “KEY CYL UN-SW”) in “DATA MONITOR” mode for “POWER DOOR ROCK SYS-
TEM” with CONSULT-III. Refer to 

BL-36, "CONSULT-III Function (BCM)"

Driver side door

62 (W) – 1 (W)

: Continuity should exist.

Passenger side door 

12 (P/B) – 1 (SB)

: Continuity should exist.

12 (P/B) – Ground

: Continuity should not exist.

62 (W) – Ground

: Continuity should not exist.

PIIA6159E

Terminal

Door switch

Continuity

1

Ground part of 

door switch

Pushed

No

Released

Yes

PIIA3351E

12 (P/B) – Ground

: Battery voltage

62 (W) – Ground

: Battery voltage

PIIA6158E