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.Connect the CONSULT-III.
2.Perform "LIGHT WARN ALM" in "ACTIVE TEST" of "BCM (BUZZER)".
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" of "METER/M&A" and check the "BUZZER" monitor value.





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- 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. Unified Meter and A/C Amp.
Is the inspection result normal?
YES- INSPECTION END
NO- Repair power supply circuit of unified meter and A/C amp.