Audi Q7: Heating, Ventilation & Air Conditioning

 A/C System Repair Information

Air conditioning systems designed for refrigerant R12 are only to be filled with refrigerant R134a if certain requirements are fulfilled. Refer to → Chapter "Refrigerant Circuit, Converting R12 to R134a and Servicing" and Repair manual: Air Conditioner with R12 Parts 2 and 3. This repa

 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