Meter Buzzer Circuit

METER BUZZER CIRCUIT





Component Function Check
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.

BUZZER
Under the condition of buzzer input : On
Except above : Off

Is the inspection result normal?
YES - Replace combination meter. Removal And Installation.
NO - Replace BCM. Service and Repair.




Diagnosis Procedure
1.CHECK POWER SUPPLY OF COMBINATION METER
Check power supply of combination meter. Power Supply And Ground Circuit.
Is the inspection result normal?
YES - INSPECTION END
NO - Repair power supply circuit of combination meter.