Nissan GT-R. Manual - part 240

PWC-10

< DTC/CIRCUIT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

DTC/CIRCUIT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

BCM

BCM : Diagnosis Procedure

INFOID:0000000009159911

1.

CHECK FUSE AND FUSIBLE LINK

Check that the following fuse and fusible link are not blown.

Is the fuse fusing?

YES

>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is

blown.

NO

>> GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connectors.

3.

Check voltage between BCM harness connector and ground.

Is the measurement value normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK GROUND CIRCUIT

Check continuity between BCM harness connector and ground.

Does continuity exist?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

POWER WINDOW MOTOR

POWER WINDOW MOTOR : Diagnosis Procedure

INFOID:0000000009159912

1.

CHECK POWER WINDOW MOTOR POWER SUPPLY

Check voltage between power window motor harness connector and ground.

Signal name

Fuse and fusible link No.

Battery power supply

I

10

Terminals

Voltage

(Approx.)

(+)

(

−

)

BCM

Ground

Connector

Terminal

M118

1

Battery voltage

M119

11

BCM

Ground

Continuity

Connector

Terminal

M119

13

Existed

POWER SUPPLY AND GROUND CIRCUIT

PWC-11

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

O

P

*: Passenger side

Is the inspection result normal?

YES

>> Power window motor power supply is OK.

NO

>> GO TO 2.

2.

CHECK POWER WINDOW MOTOR POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector and power window motor connector.

3.

Check continuity between BCM harness connector and power window motor harness connector. 

*: Passenger side

4.

Check continuity between BCM harness connector and ground.

*: Passenger side

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-20, "Removal and Installation"

.

NO

>> Repair or replace harness.

POWER WINDOW MAIN SWITCH

POWER WINDOW MAIN SWITCH : Diagnosis Procedure

INFOID:0000000009159913

1.

CHECK POWER WINDOW MAIN SWITCH POWER SUPPLY

1.

Turn ignition switch ON.

2.

Check voltage between power window main switch harness connector and ground. 

Is the inspection result normal?

YES

>> Power window main switch power supply is OK.

NO

>> GO TO 2.

2.

CHECK POWER WINDOW MAIN SWITCH POWER SUPPLY CIRCUIT

(+)

(

−

)

Condition

Voltage (V)

(Approx.)

Power window motor

Connector

Terminal

D10/D40*

7

Ground

Ignition switch

OFF

Battery voltage

ON

2

Other than the ON
(Timer is activated)

Timer is not activat-
ed

0

BCM

Power window motor

Continuity

Connector

Terminal

Connector

Terminal

M118

2

D10/40*

7

Existed

3

2

BCM

Ground

Continuity

Connector

Terminal

M118

2

Not existed

3

(+)

(

−

)

Voltage (V)

(Approx.)

Power window main switch

Connector

Terminal

D8

2

Ground

Battery voltage

PWC-12

< DTC/CIRCUIT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect power window main switch connector and BCM connector.

3.

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

4.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-20, "Removal and Installation"

.

NO

>> Repair or replace harness.

BCM

Power window main switch

Continuity

Connector

Terminal

Connector

Terminal

M118

3

D8

2

Existed

BCM

Ground

Continuity

Connector

Terminal

M118

3

Not existed

POWER WINDOW MAIN SWITCH

PWC-13

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

O

P

POWER WINDOW MAIN SWITCH 

DRIVER SIDE

DRIVER SIDE : Description

INFOID:0000000009159914

Outputs UP or DOWN signal to driver side power motor.

DRIVER SIDE : Component Function Check

INFOID:0000000009159915

1.

 CHECK FUNCTION

Check that driver side power window operates when power window main switch for driver side is operated to
the UP or DOWN position.

Is the inspection result normal?

YES

>> Power window main switch (driver side) function is OK.

NO

>> Refer to 

PWC-13, "DRIVER SIDE : Diagnosis Procedure"

.

DRIVER SIDE : Diagnosis Procedure

INFOID:0000000009159916

1.

CHECK POWER WINDOW MAIN SWITCH OUTPUT SIGNAL

1.

Turn ignition switch ON.

2.

Check voltage between power window main switch harness connector and ground.

Is the inspection result normal?

YES

>> Power window main switch (driver side) function is OK.

NO

>> GO TO 2.

2.

CHECK POWER WINDOW MAIN SWITCH (DRIVER SIDE)

Check power window main switch (driver side). Refer to 

PWC-13, "DRIVER SIDE : Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace power window main switch. Refer to 

PWC-46, "Removal and Installation"

.

3.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-38, "Intermittent Incident"

.

>> INSPECTION END

DRIVER SIDE : Component Inspection

INFOID:0000000009159917

1.

CHECK POWER WINDOW MAIN SWITCH (DRIVER SIDE)

1.

Turn ignition switch OFF.

2.

Disconnect power window main switch connector.

3.

Check continuity between power window main switch terminals.

(+)

(

−

)

Condition

Voltage (V)

(Approx.)

Power window main switch

Connector

Terminal

D8

10

Ground

Driver side switch

UP

Battery voltage

Other than above

0

11

DOWN

Battery voltage

Other than above

0