Nissan Teana J32. Instruction — part 1238

WCS

POWER SUPPLY AND GROUND CIRCUIT

WCS-19

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COMPONENT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

COMBINATION METER

COMBINATION METER : Diagnosis Procedure

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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 terminals 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 terminals and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

BCM (BODY CONTROL MODULE)

BCM (BODY CONTROL MODULE) : Diagnosis Procedure

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1.

CHECK FUSE AND FUSIBLE LINK

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

Power source

Fuse No.

Battery

11

Ignition switch ON or START

4

Terminals

Voltage

(Approx.)

(+)

(-)

Combination meter

Ground

Connector

Terminal

M34

1

Battery voltage

2

Terminals

Continuity

(+)

(-)

Combination meter

Ground

Connector

Terminal

M34

3

Existed

23

WCS-20

< COMPONENT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

Is the fuse fusing?

YES

>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is

blown.

NO

>> GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connectors.

3.

Check voltage between BCM harness connector and ground.

Is the measurement value normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK GROUND CIRCUIT

Check continuity between BCM harness connector and ground.

Does continuity exist?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

Signal name

Fuse and fusible link No.

Battery power supply

I

10

Terminals

Voltage

(Approx.)

(+)

(

−

)

BCM

Ground

Connector

Terminal

M118

1

Battery voltage

M119

11

BCM

Ground

Continuity

Connector

Terminal

M119

13

Existed

WCS

METER BUZZER CIRCUIT

WCS-21

< COMPONENT DIAGNOSIS >

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METER BUZZER CIRCUIT

Description

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• The buzzer for warning chime system is installed in the combination meter.
• The combination meter sounds the alarm buzzer based on the signals transmitted from various units.

Component Function Check

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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.

NO

>> Replace BCM. Refer to

BCS-78, "Removal and Installation"

.

Diagnosis Procedure

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1.

CHECK POWER SUPPLY OF COMBINATION METER

Check power supply of combination meter. Refer to

WCS-19, "COMBINATION METER : Diagnosis Proce-

dure"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair power supply circuit of combination meter. Refer to

WCS-19, "COMBINATION METER :

Diagnosis Procedure"

.

BUZZER

Under the condition of buzzer input

: On

Except above

: Off

WCS-22

< COMPONENT DIAGNOSIS >

WARNING CHIME SYSTEM

WARNING CHIME SYSTEM

Wiring Diagram - WARNING CHIME -

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JCNWM0872GB