Even a small amount of contamination can lead to
malfunctions. Therefore, observe the following guidelines for
cleanliness when working on the A/C system:
Immediately seal the open lines and conne
The coolant circuit is bled according to specifications.
Refer to
→ Rep. Gr.19; Coolant System/Coolant; Coolant, Draining and
Filling
The engine is warm (the coolant temperature is h
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
General information
WARNING
Applies to: vehicles with anti-theft alarm
system: When the vehicle is locked from the
outside, no one, especially children, should
remain in the vehicle, because the windows
can no longer open from the inside. Locked doors make it more difficult
for emergency work
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