Infiniti FX35 / FX45. Manual - part 736

 

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Infiniti FX35 / FX45. Manual - part 736

 

 

GW-28

< SERVICE INFORMATION >

POWER WINDOW SYSTEM

Check BCM Power Supply and Ground Circuit

INFOID:0000000001327974

1.

CHECK FUSE

• Check 15A fuse [No. 1, located in fuse block (J/B)]
• Check 15A fuse [No. 22, located in fuse block (J/B)]
• Check 50A fusible link (letter M, located in the fuse and fusible link box).

NOTE:
Refer to 

GW-15, "Component Parts and Harness Connector Location"

.

OK or NG

OK

>> GO TO 2.

NG

>> If fuse is blown out, be sure to eliminate cause of malfunction before installing new fuse. Refer to

PG-3

.

2.

CHECK POWER SUPPLY CIRCUIT

Check voltage between BCM connector and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Check BCM power supply circuit for open or short.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

3.

Check continuity between BCM connector M4 terminal 49, 52
and ground.

OK or NG

OK

>> Power supply and ground circuit are OK.

NG

>> Check BCM ground circuit for open or short.

Check Power Window Main Switch Power Supply Circuit

INFOID:0000000001327975

1.

CHECK POWER SUPPLY CIRCUIT 

1.

Turn ignition switch ON.

Power window lock switch does not function

Check power window lock switch

GW-46

Auto operation does not operate but manual operates normally 
(driver side)

1. Check encoder circuit (driver side)

GW-39

2. Replace power window main switch.

Auto operation does not operate but manual operates normally 
(passenger side)

1. Check encoder circuit (passenger side)

GW-40

2. Replace front power window switch (passen-
ger side)

Symptom

Repair order

Refer to page

Connector

Terminal (Wire color)

Condition of
ignition switch

Voltage [V]

(Approx.)

(+)

(–)

M3

38 (W/L)

Ground

ON

Battery
voltage

M4

42 (L/R)

OFF

55 (G)

PIIB1383E

49 (B) – Ground

: Continuity should exist.

52 (B) – Ground

: Continuity should exist.

PIIA6161E

POWER WINDOW SYSTEM

GW-29

< SERVICE INFORMATION >

C

D

E

F

G

H

J

K

L

M

A

B

GW

N

O

P

2.

Check voltage between power window main switch connector
D6, D7 terminal 10, 19 and ground.

OK or NG

OK

>> Power window main switch power supply and ground

circuit are OK.

NG

>> GO TO 2.

2.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect power window main switch connector.

3.

Check continuity between power window main switch connector
D7 terminal 17 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace harness.

3.

CHECK HARNESS CONTINUITY 

1.

Disconnect BCM connector.

2.

Check continuity between BCM connector M4 terminal 53, 54
and power window main switch connector D6, D7 terminal 10,
19.

3.

Check continuity between BCM connector M4 terminal 53, 54
and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace harness.

4.

CHECK BCM OUTPUT SIGNAL 

1.

Connect BCM connector. 

2.

Turn ignition switch ON.

3.

Check voltage between BCM connector M4 terminal 53, 54 and
ground.

OK or NG

OK

>> Check condition of harness and connector.

NG

>> Replace BCM.

10 (BR) – Ground

: Battery voltage

19 (W) – Ground

: Battery voltage

PIIA4171E

17 (B) – Ground

: Continuity should exist.

PIIA4172E

53 (Y/B) – 10 (BR)

: Continuity should exist.

54 (W) – 19 (W)

: Continuity should exist.

53 (Y/B) – Ground

: Continuity should not exist.

54 (W) – Ground

: Continuity should not exist.

PIIA6280E

53 (Y/B) – Ground

: Battery voltage

54 (W) – Ground

: Battery voltage

PIIA6154E

GW-30

< SERVICE INFORMATION >

POWER WINDOW SYSTEM

Check Front Power Window Switch (Passenger Side) Power Supply and Ground Cir-
cuit

INFOID:0000000001327976

1.

CHECK POWER SUPPLY CIRCUIT 

Check voltage between front power window switch (passenger side)
connector D36 terminal 10 and ground.

OK or NG

OK

>> GO TO 2.

NG

>> GO TO 3.

2.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect front power window switch (passenger side) connector.

3.

Check continuity between front power window switch (passen-
ger side) connector D36 terminal 11 and ground.

OK or NG

OK

>> Front power window switch (passenger side) power sup-

ply and ground circuit are OK.

NG

>> Repair or replace harness.

3.

CHECK HARNESS CONTINUITY 

1.

Disconnect BCM connector.

2.

Check continuity between BCM connector M4 terminal 54 and
front power window switch (passenger side) connector D36 ter-
minal 10.

3.

Check continuity between BCM connector M4 terminal 54 and
ground.

OK or NG

OK

>> Check condition of harness and connector.

NG

>> Repair or replace harness.

Check Front Power Window Motor (Driver Side) Circuit

INFOID:0000000001327977

1.

CHECK POWER WINDOW MAIN SWITCH OUTPUT SIGNAL

1.

Turn ignition switch ON.

10 (W) – Ground

: Battery voltage

PIIA4174E

11 (B) – Ground

: Continuity should exist.

PIIA4175E

54 (W) – 10 (W)

: Continuity should exist.

54 (W) – Ground

: Continuity should not exist.

PIIA6281E

POWER WINDOW SYSTEM

GW-31

< SERVICE INFORMATION >

C

D

E

F

G

H

J

K

L

M

A

B

GW

N

O

P

2.

Check voltage between power window main switch connector
and ground.

OK or NG

OK

>> GO TO 2.

NG

>> Replace power window main switch.

2.

CHECK HARNESS CONTINUITY

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 8, 11 and front power window motor (driver side)
connector D8 terminal 1, 2.

OK or NG

OK

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

NG

>> Repair or replace harness.

Check Front Power Window Motor (Passenger Side) Circuit

INFOID:0000000001327978

1.

CHECK FRONT POWER WINDOW SWITCH (PASSENGER SIDE) OUTPUT SIGNAL

1.

Turn ignition switch ON.

2.

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

OK or NG

OK

>> GO TO 2.

NG

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

2.

CHECK HARNESS CONTINUITY

1.

Turn ignition switch OFF.

2.

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

Connector

Terminals (Wire color)

Window condition

Voltage [V]

(Approx.)

(+)

(-)

D6

8 (L)

Ground

UP

Battery voltage

DOWN

11 (B)

UP

0

DOWN

Battery voltage 

PIIA4179E

8 (L) – 2 (L)

: Continuity should exist.

11 (B) – 1 (B)

: Continuity should exist.

PIIA9956E

Connector

Terminals (Wire color)

Window condition

Voltage [V]

(Approx.)

(+)

(-)

D36

8 (L)

Ground

UP

Battery voltage

DOWN

9 (G)

UP

0

DOWN

Battery voltage 

PIIA4182E

 

 

 

 

 

 

 

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