Nissan March K13. Manual - part 20

BCS

COMBINATION SWITCH OUTPUT CIRCUIT

BCS-53

< DTC/CIRCUIT DIAGNOSIS >

[WITH 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-57, "Removal and Installation"

.

BCS-54

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

COMBINATION SWITCH INPUT CIRCUIT

COMBINATION SWITCH INPUT CIRCUIT

Diagnosis Procedure

INFOID:0000000006014863

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-57, "Removal and Installation"

.

System

BCM

Combination switch

Continuity

Connector

Terminal

Connector

Terminal

INPUT 1

M68

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

M68

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

M68

6

Refer to 

BCS-

18, "Refer-

ence Value"

.

INPUT 2

5

INPUT 3

4

INPUT 4

3

INPUT 5

2

BCS

COMBINATION SWITCH INPUT CIRCUIT

BCS-55

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

No

>> Replace combination switch.

BCS-56

< SYMPTOM DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

COMBINATION SWITCH SYSTEM SYMPTOMS

SYMPTOM DIAGNOSIS

COMBINATION SWITCH SYSTEM SYMPTOMS

Symptom Table

INFOID:0000000006014864

1.

Perform “Data Monitor” of CONSULT-III to check for any malfunctioning item.

2.

Check the malfunction combinations.

Malfunction item: 

×

3.

Identify the malfunctioning part from the agreed combination and repair or replace the part.

Data monitor item

Malfunction 

combination

FR WI

PER HI

FR WIP

E

R LOW

F

R

 W

A

SH

ER

 S

W

FR WI

PER INT

RR

 WIPE

R

 O

N

RR WIP

E

R INT

RR W

ASHER 

SW

INT VOL

U

ME

TURN SIG

N

AL R

TURN SIGNAL L

T

A

IL

 LA

MP 

SW

H

I BEAM SW

HEAD LAMP SW 

1

HEAD LAMP SW 

2

P

ASSI

N

G

 SW

FR F

O

G 

SW

×

×

×

×

A

×

×

×

×

B

×

×

×

×

C

×

×

×

D

×

×

×

E

×

×

×

F

×

×

×

×

G

×

×

H

×

×

×

×

I

×

×

×

×

J

All Items

K

If only one item is detected or the item is not applicable to the combinations A to K 

L

Malfunction 

combination

Malfunctioning part

Repair or replace

A

Combination switch OUTPUT 1 circuit

Inspect the combination switch output circuit applicable to the malfunction-
ing part. Refer to 

BCS-52, "Diagnosis Procedure"

.

B

Combination switch OUTPUT 2 circuit

C

Combination switch OUTPUT 3 circuit

D

Combination switch OUTPUT 4 circuit

E

Combination switch OUTPUT 5 circuit

F

Combination switch INPUT 1 circuit

Inspect the combination switch input circuit applicable to the malfunctioning 
part. Refer to 

BCS-54, "Diagnosis Procedure"

.

G

Combination switch INPUT 2 circuit

H

Combination switch INPUT 3 circuit

I

Combination switch INPUT 4 circuit

J

Combination switch INPUT 5 circuit

K

BCM

Replace BCM. Refer to 

BCS-57, "Removal and Installation"

.

L

Combination switch

Replace combination switch.