Connector Couplings, Disconnecting
Connector Coupling Allocation
Note
The connector couplings for fuel, vacuum and breather lines are color-coded.
There is either a colored dot on the connector coupling, or the release button
has the corresponding color.
Color Coding
WARNING
Th
Note
On vehicles with a high-voltage system but without a heat
pump (for example on Audi A3 e-tron, Audi Q5 hybrid, Audi A6
hybrid and Audi A8 hybrid) no check valves are installed in the
refrigerant circuit. On these vehicles valves are installed in
the refrigerant circuit which regulat