Nissan March K13. Manual - part 30

 

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Nissan March K13. Manual - part 30

 

 

BCS

POWER SUPPLY AND GROUND CIRCUIT

BCS-93

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

POWER SUPPLY AND GROUND CIRCUIT

Diagnosis Procedure

INFOID:0000000006014910

1.

CHECK FUSES AND FUSIBLE LINK

Check that the following fuses and fusible link are not fusing.

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

Fuses and fusible link No.

Battery power supply

9

G

ACC power supply

18

Ignition power supply

6

Terminals

Ignition switch position

(+)

(

)

BCM

OFF

ACC

ON

Connector

Terminal

M67

70

Ground

Battery 
voltage

Battery 
voltage

Battery 
voltage

57

M65

11

Approx. 

0 V

Battery 
voltage

Battery 
voltage

38

Approx. 

0 V

Approx. 

0 V

Battery 
voltage

BCM

Ground

Continuity

Connector

Terminal

M67

67

Existed

BCS-94

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

COMBINATION SWITCH OUTPUT CIRCUIT

COMBINATION SWITCH OUTPUT CIRCUIT

Diagnosis Procedure

INFOID:0000000006014911

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

M65

36

M27

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

M65

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

M65

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-95

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

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-99, "Removal and Installation"

.

BCS-96

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

COMBINATION SWITCH INPUT CIRCUIT

COMBINATION SWITCH INPUT CIRCUIT

Diagnosis Procedure

INFOID:0000000006014912

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-99, "Removal and Installation"

.

System

BCM

Combination switch

Continuity

Connector

Terminal

Connector

Terminal

INPUT 1

M65

6

M27

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

M65

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

M65

6

Refer to 

BCS-

72, "Refer-

ence Value"

.

INPUT 2

5

INPUT 3

4

INPUT 4

3

INPUT 5

2

 

 

 

 

 

 

 

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