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-
.
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
.
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
< COMPONENT DIAGNOSIS >
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WARNING CHIME SYSTEM
Wiring Diagram — WARNING CHIME —
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JCNWA0016GB
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