Nissan Note E12. Manual - part 683

WCS

POWER SUPPLY AND GROUND CIRCUIT

WCS-27

< DTC/CIRCUIT DIAGNOSIS >

C

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E

F

G

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B

A

O

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NO

>> Repair or replace harness or connector.

BODY CONTROL SYSTEM
BODY CONTROL SYSTEM : Diagnosis Procedure

INFOID:0000000009725669

Regarding Wiring Diagram information, refer to 

BCS-48, "Wiring Diagram"

.

1.

CHECK FUSES AND FUSIBLE LINK

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

Is the fuse blown?

YES

>> Replace the blown fuse or fusible link after repairing the affected circuit.

NO

>> GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT

1. Disconnect BCM connector M99.

2. Check voltage between BCM connector M99 and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK GROUND CIRCUIT

Check continuity between BCM connector M99 and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair harness or connector.

Terminal No.

Signal name

Fuses and fusible link No.

57

Battery power supply

12 (10A)

70

G (40A)

BCM

Ground

Voltage

Connector

Terminal

M99

57

—

Battery voltage

70

BCM

Ground

Continuity

Connector

Terminal

M99

67

—

Yes

WCS-28

< DTC/CIRCUIT DIAGNOSIS >

METER BUZZER CIRCUIT

METER BUZZER CIRCUIT

Component Function Check

INFOID:0000000009541214

1.

CHECK OPERATION OF METER BUZZER

1. Select BUZZER of BCM(BUZZER) on CONSULT.

2. Perform LIGHT WARN ALM of Active Test.
Does meter buzzer beep?

YES

>> Inspection End.

NO

>> GO TO 2.

2.

CHECK COMBINATION METER INPUT SIGNAL

Select the DATA MONITOR for the METER/MA and check the BUZZER monitor value.

Is the inspection result normal?

YES

>> Replace combination meter. Refer to 

MWI-48, "Removal and Installation"

.

NO

>> Replace BCM. Refer to 

BCS-67, "Removal and Installation"

.

Diagnosis Procedure

INFOID:0000000009541215

Regarding Wiring Diagram information, refer to 

WCS-19, "Wiring Diagram"

.

1.

CHECK POWER SUPPLY OF COMBINATION METER

Check power supply of combination meter. Refer to 

WCS-26, "COMBINATION METER : Diagnosis Proce-

dure"

.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair power supply circuit of combination meter.

BUZZER
Under the condition of buzzer input

: On

Except above

: Off

WCS

SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT

WCS-29

< DTC/CIRCUIT DIAGNOSIS >

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SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT

Description

INFOID:0000000009541216

Transmits a seat belt buckle switch LH signal to the combination meter.

Component Function Check

INFOID:0000000009541217

1.

 CHECK COMBINATION METER INPUT SIGNAL

Select DATA MONITOR for METER/M&A and check the SEAT BELT W/L monitor value.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Refer to 

WCS-29, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009541218

Regarding Wiring Diagram information, refer to 

WCS-19, "Wiring Diagram"

.

1.

CHECK COMBINATION METER INPUT SIGNAL

1. Turn ignition switch ON.

2. Check voltage between combination meter harness connector M24 terminal 9 and ground.

Is the inspection result normal?

YES

>> Replace combination meter. Refer to 

MWI-48, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK SEAT BELT BUCKLE SWITCH CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect combination meter harness connector M24 and seat belt buckle switch LH (driver seat) har-

ness connector B16.

3. Check continuity between combination meter harness connector M24 terminal 9 and seat belt buckle

switch LH (driver seat) harness connector B13 terminal 1.

4. Check continuity between combination meter harness connector M24  terminal 9 and ground.

Is the inspection result normal?

YES

>> GO TO 3.

Monitor Item

Condition

Status

BUCKLE SW

When seat belt LH (driver seat) is fastened

OFF

When seat belt LH (driver seat) is unfastened

ON

Combination meter

Ground

Condition

Voltage

(Approx.)

Connector

Terminal

M24

9

—

When seat belt LH (driver seat) is fastened

12 V

When seat belt LH (driver seat) is unfastened

0 V

Combination meter

Seat belt buckle switch LH (driver seat)

Continuity

Connector

Terminal

Connector

Terminal

M24

9

B13

1

Yes

Combination meter

Ground

Continuity

Connector

Terminal

M24

9

—

No

WCS-30

< DTC/CIRCUIT DIAGNOSIS >

SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT

NO

>> Repair or replace harness or connector.

3.

CHECK SEAT BELT BUCKLE SWITCH GROUND CIRCUIT

Check continuity between seat belt buckle switch LH (driver seat) harness connector B13 terminal 2 and

ground.

Is the inspection result normal?

YES

>> Check the seat belt buckle switch LH. Refer to 

SR-24, "Removal and Installation"

.

NO

>> Repair or replace harness or connector.

Component Inspection

INFOID:0000000009541219

1.

 CHECK SEAT BELT BUCKLE SWITCH LH

1. Turn ignition switch OFF.

2. Disconnect the seat belt buckle switch LH (driver seat).

3. Check continuity between the seat belt buckle switch LH (driver seat) terminals 1 and 2.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace the seat belt buckle switch LH. Refer to 

SR-24, "Removal and Installation"

.

Seat belt buckle switch LH (driver seat)

Ground

Continuity

Connector

Terminal

B13

2

—

Yes

Terminal

Condition

Continuity

1

2

When seat belt is fastened

No

When seat belt is unfastened

Yes