Air distribution motor
Check the status of the air distribution motor using SDP3. For further information, click on the Check tab and find Fault code information.Check the wiring and the air distribution motor connector. Check that the air distribution motor and position circuit breaker are fitted correctly. Remove the air distribution motor and try to manually move the air distribution motor cam disc. Check that nothing is blocking the damper. If necessary, renew the air distribution motor.Clear the fault codes in the ACC control unit.
What you'll see
No driver-visible symptom recorded.
System reaction
No system-reaction text recorded.
Diagnostic depth
The air distribution motor does not change position.
The control signal or the output signal from the air distribution motor has been exposed to undesirable positive voltage or an undesirable short circuit to earth, or the circuit is open.