Audi Q7: Electrical System

 Display Control Head, Removing and Installing

General Information   Note Depending on vehicle equipment, there are different versions of the A/C system for the Audi Q7. Make sure to use the correct version and pay attention to the allocation of different components. Refer to → Chapter "A/C System Versions" and Parts Catalog.

 CAN-Bus Terminal Resistance, Checking

General Description The Engine Control Module -J623- communicates with other CAN-Bus capable control modules. The control modules are connected by two data bus wires which are twisted together (CAN_High and CAN_Low), and exchange information (messages). Missing information on the CAN-bus is reco