Nissan March K13. Manual - part 668

WCS

POWER SUPPLY AND GROUND CIRCUIT

WCS-33

< DTC/CIRCUIT DIAGNOSIS >

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DTC/CIRCUIT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

COMBINATION METER

COMBINATION METER : Diagnosis Procedure

INFOID:0000000005904800

1.

CHECK FUSE

Check for blown fuses.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Be sure to eliminate cause of malfunction before installing new fuse.

2.

CHECK POWER SUPPLY CIRCUIT

Check voltage between combination meter harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Check harness between combination meter and fuse.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect combination meter connector.

3.

Check continuity between combination meter harness connector and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

Power source

Fuse No.

Battery

11

Ignition switch ON or START 

5

Terminals

Ignition switch po-

sition

Voltage

(Approx.)

(+)

(

−

)

Combination meter

Ground

Connector

Terminal

M34

21

OFF

Battery voltage

22

ON

Combination meter

Ground

Continuity

Connector

Terminal

M34

21

Existed

22

WCS-34

< DTC/CIRCUIT DIAGNOSIS >

METER BUZZER CIRCUIT

METER BUZZER CIRCUIT

Component Function Check

INFOID:0000000005887689

1.

CHECK OPERATION OF METER BUZZER

1.

Select “BUZZER” of “BCM” on CONSULT-III.

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/M&A” and check the “BUZZER” monitor value.

Is the inspection result normal?

YES

>> Replace combination meter. Refer to 

MWI-51, "Removal and Installation"

.

NO

>> Replace BCM. Refer to 

BCS-58, "Removal and Installation"

 (with Intelligent Key system) or 

BCS-

99, "Removal and Installation"

 (without Intelligent Key system).

Diagnosis Procedure

INFOID:0000000005887690

1.

CHECK POWER SUPPLY OF COMBINATION METER

Check power supply of combination meter. Refer to 

WCS-33, "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

PARKING BRAKE SWITCH SIGNAL CIRCUIT

WCS-35

< DTC/CIRCUIT DIAGNOSIS >

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PARKING BRAKE SWITCH SIGNAL CIRCUIT

Diagnosis Procedure

INFOID:0000000005887691

1.

CHECK COMBINATION METER INPUT SIGNAL

1.

Turn ignition switch ON.

2.

Check the voltage between combination meter harness connector and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> GO TO 2.

2.

CHECK PARKING BRAKE SWITCH SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect combination meter connector and parking brake switch connector. 

3.

Check continuity between combination meter harness connector and parking brake switch harness con-
nector.

4.

Check continuity between combination meter harness connector and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

Component Inspection

INFOID:0000000005887692

1.

CHECK PARKING BRAKE SWITCH

Check parking brake switch. Refer to 

BRC-5, "Component Inspection"

.

Is the inspection result normal? 

YES

>> INSPECTION END.

NO

>> Replace parking brake switch. Refer to 

XX-XX, "*****"

.

(+)

(

−

)

Condition

Voltage

(Approx.)

Combination meter

Ground

Connector

Terminal

M34

10

Ignition 
switch ON

When parking brake is applied

0 V

When parking brake is released

12 V

Terminals

Continuity

Combination meter

Parking brake switch

Connector

Terminal

Connector

Terminal

M34

10

M11

1

Existed

Terminals

Continuity

Combination meter

Ground

Connector

Terminal

M34

10

Not existed

WCS-36

< SYMPTOM DIAGNOSIS >

THE PARKING BRAKE RELEASE WARNING CONTINUES SOUNDING, OR 

DOES NOT SOUND

SYMPTOM DIAGNOSIS

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

Description

INFOID:0000000005887693

• 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:0000000005887694

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-51, "Removal and Installation"

NO

>> GO TO 2.

2.

CHECK PARKING BRAKE SWITCH SIGNAL CIRCUIT

Perform check for the parking brake switch signal circuit. Refer to 

WCS-35, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK PARKING BRAKE SWITCH

Perform a unit check for the parking brake switch. Refer to 

WCS-35, "Component Inspection"

.

Is the inspection result normal?

YES

>> Replace combination meter. Refer to 

MWI-51, "Removal and Installation"

NO

>> Replace parking brake switch. Refer to 

PB-3, "Exploded View"

.

When parking brake is applied

: ON

When parking brake is released

: OFF