Infiniti G37 Coupe. Manual - part 1018

 

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Infiniti G37 Coupe. Manual - part 1018

 

 

POWER SUPPLY AND GROUND CIRCUIT

PWC-13

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

O

P

Is the measurement value within the specification?

YES

>> GO TO 2.

NO

>> GO TO 3.

2.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

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

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair or replace harness.

3.

CHECK HARNESS CONTINUITY 

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

3.

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

4.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK BCM OUTPUT SIGNAL 

1.

Connect BCM connector. 

2.

Turn ignition switch ON.

3.

Check voltage between BCM connector and ground.

Is the measurement value within the specification?

YES

>> GO TO 5.

NO

>> Replace BCM. Refer to 

BCS-79, "Exploded View"

.

Terminal

Voltage (V)

(Approx.)

(+)

(–)

Power window main switch

connector

Terminal 

D8

1

Ground

Battery voltage

10

Power window main switch connector

Terminal

Ground

Continuity 

D8

15

Existed

BCM connector

Terminal

Power window main switch

connector

Terminal

Continuity

M118

2

D8

1

Existed

3

10

BCM connector

Terminal

Ground

Continuity

M118

2

Not existed

3

Terminals

Voltage (V)

(Approx.)

(+)

(–)

BCM connector

Terminal 

M118

2

Ground

Battery voltage

3

PWC-14

< COMPONENT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

5.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-38, "Intermittent Incident"

.

>> INSPECTION END

POWER WINDOW SUB-SWITCH

POWER WINDOW SUB-SWITCH : Diagnosis Procedure

INFOID:0000000001693976

1.

CHECK POWER SUPPLY CIRCUIT 

1.

Turn ignition switch OFF.

2.

Disconnect power window sub-switch connector.

3.

Check voltage between power window sub-switch harness connector and ground.

Is the measurement value within the specification?

YES

>> GO TO 2.

NO

>> GO TO 3.

2.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Check continuity between power window sub-switch harness connector and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair or replace harness.

3.

CHECK HARNESS CONTINUITY 

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

3.

Check continuity between BCM harness connector and power window sub-switch harness connector.

4.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK BCM OUTPUT SIGNAL 

1.

Connect BCM connector. 

2.

Check voltage between BCM harness connector and ground.

Terminal

Voltage (V)

(Approx.)

(+)

(–)

Power window sub-

switch 

Terminal

D38

10

Ground

Battery voltage

Power window sub-switch connector

Terminal

Ground

Continuity 

D38

11

Existed

BCM connector

Terminal

Power window sub -switch connec-

tor

Terminal

Continuity

M118

2

D38

10

Existed

BCM connector

Terminal

Ground

Continuity

M118

2

Not existed

POWER SUPPLY AND GROUND CIRCUIT

PWC-15

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

L

M

A

B

PWC

N

O

P

Is the measurement value within the specification?

YES

>> GO TO 5.

NO

>> Replace BCM. Refer to 

BCS-79, "Exploded View"

.

5.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-38, "Intermittent Incident"

.

>> INSPECTION END

Terminals

Voltage (V)

(Approx.)

(+)

(–)

BCM connector

Terminal 

M118

2

Ground

Battery voltage

PWC-16

< COMPONENT DIAGNOSIS >

POWER WINDOW MOTOR

POWER WINDOW MOTOR

DRIVER SIDE

DRIVER SIDE : Description

INFOID:0000000001693982

Door glass moves UP/DOWN by receiving the signal from power window main switch.

DRIVER SIDE : Component Function Check

INFOID:0000000001693983

1.

CHECK POWER WINDOW MOTOR CIRCUIT

Check driver side power window motor operation with power window main switch.

Is the inspection result normal?

YES

>> Power window motor is OK.

NO

>> Refer to 

PWC-16, "DRIVER SIDE : Diagnosis Procedure"

.

DRIVER SIDE : Diagnosis Procedure

INFOID:0000000001693984

1.

CHECK POWER WINDOW MAIN SWITCH OUTPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect driver side power window motor connector.

3.

Turn ignition switch ON.

4.

Check voltage between driver side power window motor harness connector and ground.

Is the measurement value within the specification?

YES

>> GO TO 2.

NO

>> GO TO 3.

2.

CHECK POWER WINDOW MOTOR

Check driver side power window motor.
Refer to 

PWC-17, "DRIVER SIDE : Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace driver side power window motor. Refer to 

GW-19, "Removal and Installation"

.

3.

CHECK HARNESS CONTINUITY

1.

Turn ignition switch OFF.

2.

Disconnect power window main switch connector.

3.

Check continuity between power window main switch harness connector and driver side power window
motor harness connector.

4.

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

Terminal

Power window main switch 

condition

Voltage (V)

(Approx.)

(+)

(–)

Driver side power window 

motor connector

Terminal

D10

6

Ground

UP

Battery voltage

DOWN

0

3

UP

0

DOWN

Battery voltage

Power window main switch 

connector

Terminal

Driver side power window mo-

tor connector

Terminal

Continuity

D8

8

D10

6

Existed

11

3

 

 

 

 

 

 

 

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