Operation CHARM: Car repair manuals for everyone.
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Circuit Inspection

INSPECTION PROCEDURE

Step 1 - 3:




1. Check the communication between the combination meter and the multiplex communication circuit.

Step 1 - 3:




2. Whole meter does not function.

Step 1 - 2:




3. Margin of error in speedometer is large, or it remains as 0 km/h

Step 1 - 4:




Step 5:




4. Fuel receiver gauge is inoperative or improper

Step 1 - 3:




Step 4:







5. Indicators or warning lights do not light up. (*multiplex communication circuit input indicator or warning)