Audi Q7: Sunroof

 A/C System Control and Regulation Components outside Vehicle Interior

A/C System Control and Regulation Information   Note If there is a malfunction in the A/C system, first check the DTC memory for the Front A/C Display Control Head -E87- (and the Rear A/C Display Control Head -E265-). Refer to Vehicle Diagnostic Tester in the "Guided Fault Finding" functi

 Flushing Circuit Block Diagrams

  Note The arrows in the following illustrations show the direction of refrigerant flow during flushing (refrigerant flows in opposite direction of flow when Air Conditioning (A/C) system is in operation while flushing, therefore the high pressure side of the A/C service system is connec