Operation CHARM: Car repair manuals for everyone.

DTC I

DTC indicator light I: An Open in the Air Mix Control Motor Circuit

1. Disconnect the air mix control motor 5P connector.
2. Disconnect climate control unit connectors A (12P) and B (20P).




3. Check for continuity between following terminals of climate control unit connectors A (12P) and B (20P) and the air mix control motor 5P connector.
12P: 5P:
No. 2 No. 1
No. 7 No. 2

20P: 5P:
No. 6 No. 4
No. 7 No. 3
No. 15 No. 5

Is there continuity?

YES - Check for loose wires or poor connections at climate control unit connectors A (12P) and B (20P) 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 he wire(s) between the climate control unit and the air mix control motor.