Recirculation motor
Check the recirculation motor using SDP3. For further information, go to the Check tab and search for Fault code information.Check wiring and connectors.Check the recirculation flaps to make sure there is nothing stuck in the openings.Check the mechanical end stop.If necessary, renew the recirculation 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 recirculation motor does not work.
The output signal from the recirculation motor is missing, or has been exposed to undesirable positive voltage, or is short circuited due to undesirable earthing, or the circuit is open.Damaged wiring or connectors for the recirculation motor.Defective recirculation motor.The recirculation flap is stuck.Something has jammed in the recirculation flap.