Meter Buzzer Circuit
METER BUZZER CIRCUIT
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. With Intelligent Key System (WITH INTELLIGENT KEY SYSTEM)
or Service and Repair (WITHOUT INTELLIGENT KEY SYSTEM).
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.