Nissan Pathfinder. Manual - part 222

BCS

COMBINATION SWITCH OUTPUT CIRCUIT

BCS-77

< DTC/CIRCUIT DIAGNOSIS >

[BCM]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

COMBINATION SWITCH OUTPUT CIRCUIT

Diagnosis Procedure

INFOID:0000000009174917

Regarding Wiring Diagram information, refer to 

BCS-55, "Wiring Diagram"

.

1.

 CHECK OUTPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN

1. Turn ignition switch OFF.

2. Disconnect BCM connector M18 and combination switch connector.

3. Check continuity between BCM connector M18 and combination switch connector.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness or connectors.

2.

 CHECK OUTPUT 1 - 5 SYSTEM CIRCUIT FOR SHORT

Check continuity between BCM connector M18 and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness or connectors.

3.

 CHECK BCM INPUT VOLTAGE

1. Connect BCM connector M18 and combination switch connector.

2. Turn ignition switch ON.

3. Check voltage between BCM connector M18 and ground.

Signal

BCM

Combination switch

Continuity

Connector

Terminal

Connector

Terminal

OUTPUT 1

M18

14

M28

12

Yes

OUTPUT 2

13

14

OUTPUT 3

12

5

OUTPUT 4

11

2

OUTPUT 5

10

8

Signal

BCM

Ground

Continuity

Connector

Terminal

OUTPUT 1

M18

14

No

OUTPUT 2

13

OUTPUT 3

12

OUTPUT 4

11

OUTPUT 5

10

Signal

BCM

Ground

Voltage

Connector

Terminal

OUTPUT 1

M19

14

—

Refer to 

BCS-30, "Ref-

erence Value"

.

OUTPUT 2

13

OUTPUT 3

12

OUTPUT 4

11

OUTPUT 5

10

BCS-78

< DTC/CIRCUIT DIAGNOSIS >

[BCM]

COMBINATION SWITCH OUTPUT CIRCUIT

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-80, "Removal and Installation"

.

NO

>> Replace the combination switch. Refer to 

BCS-81, "Removal and Installation"

.

BCS

COMBINATION SWITCH SYSTEM SYMPTOMS

BCS-79

< SYMPTOM DIAGNOSIS >

[BCM]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

SYMPTOM DIAGNOSIS

COMBINATION SWITCH SYSTEM SYMPTOMS

Symptom Table

INFOID:0000000009174918

1. Perform the data monitor of CONSULT 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.

Malfunction combination

Data monitor item

FR WI

PER HI

FR WIP

ER LOW

F

R

 W

A

SH

ER

 S

W

FR WI

PER INT

INT VOL

U

ME

RR

 WIPE

R

 O

N

RR WIP

E

R INT

RR W

ASHER 

SW

TURN SIG

NAL R

TURN SIGNAL L

TA

IL

 LA

MP 

SW

H

I BEAM SW

HEAD LAMP SW 

1

HEAD LAMP SW 

2

P

ASSI

N

G

 SW

AU

T

O

 LI

GH

T

 S

W

FR F

O

G 

SW

A

×

×

×

×

B

×

×

×

×

C

×

×

×

×

D

×

×

×

×

E

×

×

×

F

×

×

×

G

×

×

×

×

H

×

×

×

I

×

×

×

×

J

×

×

×

×

K

All Items

L

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

Malfunction 

combination

Malfunctioning part

Repair or replace

A

Combination switch INPUT 1 circuit

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

BCS-75, "Diagnosis Procedure"

.

B

Combination switch INPUT 2 circuit

C

Combination switch INPUT 3 circuit

D

Combination switch INPUT 4 circuit

E

Combination switch INPUT 5 circuit

F

Combination switch OUTPUT 1 circuit

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

BCS-77, "Diagnosis Procedure"

.

G

Combination switch OUTPUT 2 circuit

H

Combination switch OUTPUT 3 circuit

I

Combination switch OUTPUT 4 circuit

J

Combination switch OUTPUT 5 circuit

K

BCM

Replace BCM. Refer to 

BCS-80, "Removal and Installation"

.

L

Combination switch

Replace the combination switch. Refer to 

BCS-81, "Removal and Installa-

tion"

.

BCS-80

< REMOVAL AND INSTALLATION >

[BCM]

BCM (BODY CONTROL MODULE)

REMOVAL AND INSTALLATION

BCM (BODY CONTROL MODULE)

Removal and Installation

INFOID:0000000009174919

CAUTION:

Before replacing the BCM, perform “READ CONFIGURATION” to save or print current vehicle specifi-

cation. Refer to 

BCS-64, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT (BCM) : Descrip-

tion"

.

REMOVAL

1. Disconnect the negative battery terminal. Refer to 

PG-90, "Removal and Installation"

.

2. Remove the combination meter. Refer to 

MWI-82, "Removal and Installation"

.

3. Remove the BCM bolts.
4. Disconnect the harness connectors from the BCM (1) and

remove.

INSTALLATION

Installation is in the reverse order of removal.

CAUTION:

• Be sure to perform “WRITE CONFIGURATION” when replacing BCM.

• Be sure to perform the system initialization (NATS) when replacing BCM. Refer to 

BCS-64, "ADDI-

TIONAL SERVICE WHEN REPLACING CONTROL UNIT (BCM) : Work Procedure"

.

• When replacing BCM, if new BCM does not come with keyfobs attached, all existing keyfobs must be

re-registered.

ALMIA0564ZZ