DTC 3

DTC 3: An Open in the Rear Air Mix Control Motor Circuit

1. Disconnect the rear air mix control motor 7P connector.
2. Disconnect the rear heater-A/C control panel-unit 14P connector.




3. Check for continuity between given terminals of the rear heater-A/C control panel-unit 14P connector and the rear air mix control motor 7P connector.
14P: 7P:
No.3 No.1
No.5 No.5
No.7 No.3
No.9 No.2
No.12 No.7

Is there continuity?

YES - Check for loose wires or poor connections at the rear heater-A/C control panel-unit 14P connector and at the rear air mix control motor 7P connector. If the connections are good, substitute a known-good rear heater-A/C control panel-unit, and recheck. If the symptom/indication goes away, replace the original rear heater-A/C control panel-unit.

NO - Repair any open in the wire(s) between the rear heater-A/C control panel-unit and the rear air mix control motor.