DTC I

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

1. Test the front air mix control motor.

Is the front air mix control motor OK?

YES - Go to step 2.

NO - Replace the front air mix control motor.

2. Disconnect the front air mix control motor 7P connector.
3. Disconnect climate control unit connector B (30P), and gauge control module connector B (36P).
4. Check for continuity between the following terminals of climate control unit connector B (30P) and the front air mix control motor 7P connector.






Is there continuity?

YES - Check for loose wires or poor connections at climate control unit connector B (30P) and at the front air mix control motor 7P connector. If the connections are good, substitute a known-good front air mix control motor, and recheck. If the symptom/indication goes away, replace the original front air mix control motor. If the symptom/indication continues, substitute a known-good climate control unit, and recheck. If the symptom/indication goes away, replace the original climate control unit.

NO - Repair open in the wire(s) between the climate control unit, the gauge control module, and the front air mix control motor.