Nissan Quest E52. Manual - part 212

 

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Nissan Quest E52. Manual - part 212

 

 

BCS

POWER SUPPLY AND GROUND CIRCUIT

BCS-91

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

POWER SUPPLY AND GROUND CIRCUIT

Diagnosis Procedure

INFOID:0000000009651732

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.

Signal name

Fuse and fusible link No.

Battery power supply

L

10

Terminals

Voltage

(Approx.)

(+)

(

)

BCM

Ground

Connector

Terminal

M123

70

Battery voltage

57

BCM

Ground

Continuity

Connector

Terminal

M123

67

Existed

BCS-92

< DTC/CIRCUIT DIAGNOSIS >

COMBINATION SWITCH OUTPUT CIRCUIT

COMBINATION SWITCH OUTPUT CIRCUIT

Diagnosis Procedure

INFOID:0000000009651733

1.

CHECK OUTPUT 1 - 5 CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect BCM and combination switch connectors.

3.

Check continuity between BCM harness connector and combination switch harness connector.

Does continuity exist?

YES

>> GO TO 2.

NO

>> Repair harnesses or connectors.

2.

CHECK OUTPUT 1 - 5 CIRCUIT FOR SHORT

Check for continuity between BCM harness connector and ground.

Does continuity exist?

YES

>> Repair harnesses or connectors.

NO

>> GO TO 3.

3.

CHECK BCM OUTPUT VOLTAGE

1.

Connect BCM connector.

2.

Check voltage between BCM harness connector and ground.

Is the measurement value normal?

System

BCM

Combination switch

Continuity

Connector

Terminal

Connector

Terminal

OUTPUT 1

M121

36

M103

11

Existed

OUTPUT 2

35

9

OUTPUT 3

34

7

OUTPUT 4

33

10

OUTPUT 5

32

13

System

BCM

Ground

Continuity

Connector

Terminal

OUTPUT 1

M121

36

Not existed

OUTPUT 2

35

OUTPUT 3

34

OUTPUT 4

33

OUTPUT 5

32

System

Terminals

Voltage

(Approx.)

(+)

(

)

BCM

Ground

Connector

Terminal

OUTPUT 1

M121

36

7.0 - 8.0 V

OUTPUT 2

35

OUTPUT 3

34

OUTPUT 4

33

OUTPUT 5

32

PKIB4960J

BCS

COMBINATION SWITCH OUTPUT CIRCUIT

BCS-93

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

YES

>> Replace combination switch.

NO

>> Replace BCM. Refer to 

BCS-98, "Removal and Installation"

.

BCS-94

< DTC/CIRCUIT DIAGNOSIS >

COMBINATION SWITCH INPUT CIRCUIT

COMBINATION SWITCH INPUT CIRCUIT

Diagnosis Procedure

INFOID:0000000009651734

1.

CHECK INPUT 1 - 5 CIRCUIT FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect BCM and combination switch connectors.

3.

Check continuity between BCM harness connector and combination switch harness connector.

Does continuity exist?

YES

>> GO TO 2.

NO

>> Repair harnesses or connectors.

2.

CHECK INPUT 1 - 5 CIRCUIT FOR SHORT

Check for continuity between BCM harness connector and ground.

Does continuity exist?

YES

>> Repair harnesses or connectors.

NO

>> GO TO 3.

3.

CHECK BCM INPUT SIGNAL

1.

Connect BCM and combination switch connectors.

2.

Turn ON any switch in the system that is malfunction.

3.

Check voltage between BCM harness connector and ground.

Is the measurement value normal?

Yes

>> Replace BCM. Refer to 

BCS-98, "Removal and Installation"

.

System

BCM

Combination switch

Continuity

Connector

Terminal

Connector

Terminal

INPUT 1

M121

6

M103

12

Existed

INPUT 2

5

14

INPUT 3

4

5

INPUT 4

3

2

INPUT 5

2

8

System

BCM

Ground

Continuity

Connector

Terminal

INPUT 1

M121

6

Not existed

INPUT 2

5

INPUT 3

4

INPUT 4

3

INPUT 5

2

System

Terminals

Voltage

(Approx.)

(+)

(

)

BCM

Ground

Connector

Terminal

INPUT 1

M121

6

Refer to 

BCS-

40, "Refer-

ence Value"

.

INPUT 2

5

INPUT 3

4

INPUT 4

3

INPUT 5

2

 

 

 

 

 

 

 

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