Nissan Note E12. Manual - part 684

WCS

PARKING BRAKE SWITCH SIGNAL CIRCUIT

WCS-31

< DTC/CIRCUIT DIAGNOSIS >

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PARKING BRAKE SWITCH SIGNAL CIRCUIT

Component Function Check

INFOID:0000000009643757

1.

CHECK PARKING BRAKE SWITCH OPERATION

Check that brake warning lamp in combination meter turns ON/OFF when parking brake is actuated.
Is the inspection result normal?

YES

>> Inspection End.

NO

>> Proceed to diagnosis procedure. Refer to 

WCS-31, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000009643758

Regarding Wiring Diagram information, refer to 

WCS-19, "Wiring Diagram"

.

1.

CONNECTOR INSPECTION

1. Turn ignition switch OFF.

2. Disconnect combination meter and parking brake switch connectors.

3. Check connectors and terminals for deformation, disconnection, looseness or damage.
Is the inspection result normal?

YES

>> GO TO 2

NO

>> Repair or replace as necessary.

2.

CHECK PARKING BRAKE SWITCH

Check parking brake switch. Refer to 

WCS-32, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace parking brake switch. Refer to 

PB-6, "Exploded View"

.

3.

CHECK PARKING BRAKE SWITCH SIGNAL

With CONSULT.

1. Connect combination meter connector and parking brake switch connectors.

2. Turn ignition switch ON.

3. In DATA MONITOR select PARK BRAKE SW and check parking brake switch signal.

Is the inspection result normal?

YES

>> Refer to 

WCS-24, "Work Flow"

.

NO

>> GO TO 4.

4.

CHECK PARKING BRAKE SWITCH CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect combination meter and parking brake switch connectors.

3. Check continuity between combination meter connector M24 terminal 10 and parking brake switch con-

nector M17 terminal 1.

4. Check continuity between combination meter connector and ground.

Condition

DATA MONITOR

Actuate parking brake

On

Release parking brake

Off

Combination meter

Parking brake switch

Continuity

Connector

Terminal

Connector

Terminal

M24 10

M17

1

Yes

WCS-32

< DTC/CIRCUIT DIAGNOSIS >

PARKING BRAKE SWITCH SIGNAL CIRCUIT

Is the inspection result normal?

YES

>> Replace combination meter. Refer to 

MWI-48, "Removal and Installation"

.

NO

>> Repair or replace malfunctioning components.

Component Inspection

INFOID:0000000009643759

1.

CHECK PARKING BRAKE SWITCH

1. Turn ignition switch OFF.

2. Disconnect parking brake switch connector.

3. Check continuity between parking brake switch terminal 1 and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace parking brake switch. Refer to 

PB-6, "Exploded View"

.

Combination meter

—

Continuity

Connector

Terminal

M24 10

Ground

No

Parking brake switch terminal

—

Condition

Continuity

1

Ground

Parking brake actuated

Yes

Parking brake released

No

WCS

THE PARKING BRAKE RELEASE WARNING CONTINUES SOUNDING, OR 

DOES NOT SOUND

WCS-33

< SYMPTOM DIAGNOSIS >

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SYMPTOM DIAGNOSIS

THE PARKING BRAKE RELEASE WARNING CONTINUES SOUNDING, OR
DOES NOT SOUND

Description

INFOID:0000000009541244

• The parking brake warning buzzer sounds continuously during vehicle travel though the parking brake is

released.

• The parking brake warning buzzer does not sound at all even though driving the vehicle with the parking

brake applied.

Diagnosis Procedure

INFOID:0000000009541245

1.

CHECK PARKING BRAKE WARNING LAMP

1. Start the engine.

2. Check the operation of the brake warning lamp by operating the parking brake.

Is the inspection result normal?

YES

>> Replace combination meter. Refer to 

MWI-48, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK PARKING BRAKE SWITCH

Check the parking brake switch. Refer to 

WCS-32, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace parking brake switch. Refer to 

PB-6, "Exploded View"

.

3.

CHECK PARKING BRAKE SWITCH SIGNAL CIRCUIT

Check the parking brake switch signal circuit. Refer to 

BRC-58, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> Replace combination meter. Refer to 

MWI-48, "Removal and Installation"

.

NO

>> Repair harness or connector.

Combination meter

Condition

Status

Brake warning lamp

When parking brake is applied

ON

When parking brake is released

OFF

WCS-34

< SYMPTOM DIAGNOSIS >

THE SEAT BELT REMINDER WARNING CONTINUES SOUNDING, OR DOES 

NOT SOUND

THE SEAT BELT REMINDER WARNING CONTINUES SOUNDING, OR
DOES NOT SOUND

Description

INFOID:0000000009541246

• Seat belt reminder warning does not sound.

• Seat belt reminder warning sounds continuously.

Diagnosis Procedure

INFOID:0000000009541247

1.

CHECK SEAT BELT WARNING LAMP

1. Turn ignition switch ON.

2. Check operation of seat belt warning lamp in combination meter.

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 LH SIGNAL CIRCUIT 

Check the seat belt buckle switch LH signal circuit. Refer to 

WCS-29, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK SEAT BELT BUCKLE SWITCH LH

Check seat belt buckle switch LH. Refer to 

WCS-30, "Component Inspection"

.

Is the inspection result normal?

YES

>> Replace combination meter. Refer to 

MWI-48, "Removal and Installation"

.

NO

>> Replace seat belt buckle LH. Refer to 

SR-24, "Removal and Installation"

.

Combination meter

Condition

Status

Seat belt warning lamp

When seat belt LH (driver seat) is fastened

OFF

When seat belt LH (driver seat) is unfastened

ON