An Open or Short in the Front Mode Control Motor Circuit
1. Clear the DTCs with the HDS.
2. Turn the ignition switch to LOCK (0) and then back to ON (II).
3. Do the self-diagnostic function with the HDS or the climate control unit.
4. Check for DTCs.
Is DTC B1239 or A and MODE indicated?
YES -
Go to step 5.
NO -
Intermittent failure, check for loose wires or poor connections in the front mode control motor circuit.?
5. Turn the ignition switch to LOCK (0).
6. Test the front mode control motor See: Heating and Air Conditioning/Testing and Inspection/Component Tests and General
Diagnostics/Front Mode Control Motor Test.
Is the front mode control motor OK?
YES -
Go to step 7.
NO -
Replace the front mode control motor See: Heating and Air Conditioning/Air Door/Air Door Actuator / Motor/Service and Repair/Front Mode
Control Motor Replacement.?
7. Disconnect the front mode control motor 7P connector.
8. Disconnect climate control unit connector A (40P).
9. Check for continuity between the following terminals of climate control unit connector A (40P) and the front mode control motor 7P
