Operation CHARM: Car repair manuals for everyone.

DTC 7

DTC 7: An Open in the Air Mix Control Motor Circuit

1. Disconnect the air mix control motor 5P connector.
2. Disconnect the climate control unit 30P connector.




3. Check for continuity between following terminals of the climate control unit 30P connector and the air mix control motor 5P connector.

Is there continuity?

YES - Check for loose wires or poor connections at the climate control unit 30P connector and at the air mix control motor 5P connector. If the connections are good, substitute a known-good climate control unit, and recheck. If the symptom/indication goes away, replace the original climate control unit.

NO - Repair any open in the wire(s) between the climate control unit and the air mix control motor.