Conditions

Stepping motor air distribution damper. Open circuit
Stepping motor air distribution damper. Shorted to ground







Fault symptom
Experienced temperature in cabin is too high or low when compared to set temperature.
Air distribution does not match symbol displayed on ACC window.

Conditions
The following conditions apply:
- When the voltage exceeds a certain value on the stepping motor outputs in the control module, a diagnostic trouble code for short-circuiting is generated.
- If any of the stepping motor outputs sense a control voltage lower than 55 mA, a diagnostic trouble code for open circuit is generated.
- Continuous monitoring and during calibration.