Operation CHARM: Car repair manuals for everyone.
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Potentiometer Circuit





Inspection of Potentiometer Circuit





Troubleshooting Hints

Diagnosis

No.31 (Fix air mix damper at MAX. HOT position, or at MAX. COOL position when it is at MAX. COOL position.)
No.32 (Fix outlet selector damper at FACE position, or at FACE position when it is at FACE position.)

Air conditioner control unit terminal voltages