Meter Buzzer Circuit

METER BUZZER CIRCUIT

Description

- 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


1. CHECK OPERATION OF METER BUZZER

1.Select "BUZZER" of "BCM" on CONSULT.
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.
NO- Replace BCM. Removal And Installation.


Diagnosis Procedure


1. CHECK POWER SUPPLY OF COMBINATION METER

Check power supply of combination meter. Combination Meter.
Is the inspection result normal?
YES- INSPECTION END
NO- Repair power supply circuit of combination meter. Combination Meter.