Infiniti G35 (V35) Sedan. Manual - part 1434

WCS-20

< COMPONENT DIAGNOSIS >

METER BUZZER CIRCUIT

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 UNIFIED METER AND A/C AMP. 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-79, "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-17, "COMBINATION METER : Diagnosis Proce-

dure"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair power supply circuit of combination meter.

2.

CHECK BATTERY POWER SUPPLY OF UNIFIED METER AND A/C AMP.

Check battery power supply of unified meter and A/C amp. Refer to 

WCS-17, "UNIFIED METER AND A/C

AMP. : Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair power supply circuit of unified meter and A/C amp.

BUZZER

Under the condition of buzzer input

: ON

Except above

: OFF

WCS

SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT

WCS-21

< COMPONENT DIAGNOSIS >

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SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT

Description

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Transmits a seat belt buckle switch signal to the unified meter and A/C amp.

Component Function Check

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1.

CHECK UNIFIED METER AND A/C AMP. INPUT SIGNAL

Select the “Data Monitor” for the “METER/M&A” and check the “BUCKLE SW” monitor value.

>> INSPECTION END

Diagnosis Procedure

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1.

CHECK UNIFIED METER AND A/C AMP. INPUT SIGNAL

1.

Turn ignition switch ON.

2.

Check voltage between unified meter and A/C amp. harness connector M66 terminal 9 and ground.

Is the inspection result normal?

YES

>> Replace unified meter and A/C amp.

NO

>> GO TO 2.

2.

CHECK SEAT BELT BUCKLE SWITCH CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect unified meter and A/C amp. connector and seat belt buckle switch (driver side) connector.

3.

Check continuity between unified meter and A/C amp. harness connector M66 terminal 9 and seat belt
buckle switch (driver side) harness connector B13 terminal 1.

4.

Check harness continuity between unified meter and A/C amp. harness connector M66 terminal 9 and
ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK SEAT BELT BUCKLE SWITCH GROUND CIRCUIT

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

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

Component Inspection

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BUCKLE SW

When seat belt is fastened

: OFF

When seat belt is unfastened

: ON

9 - Ground

When driver seat belt is fas-
tened

: Approx. 12 V

When driver seat belt is unfas-
tened

: Approx. 0 V

9 - 1

: Continuity should exist.

9 - Ground

: Continuity should not exist.

2 - Ground

: Continuity should exist.

WCS-22

< COMPONENT DIAGNOSIS >

SEAT BELT BUCKLE SWITCH SIGNAL CIRCUIT

1.

CHECK SEAT BELT BUCKLE SWITCH UNIT

1.

Turn ignition switch OFF.

2.

Disconnect the seat belt buckle switch connector.

3.

Check continuity between terminals 1 and 2.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace the seat belt buckle. Refer to 

SB-7, "SEAT BELT BUCKLE : Removal and Installation"

.

1– 2

When seat belt is fastened

: Continuity should not exist.

When seat belt is unfastened

: Continuity should exist.

WCS

WARNING CHIME SYSTEM

WCS-23

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WARNING CHIME SYSTEM

Wiring Diagram —  WARNING CHIME —

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JCNWA0016GB