The type label for refrigerant and filling capacities is
located on the hood.
1 - Refrigerant oil identification (here PAG oil) and additional
information. Refer to
→Fluid Capacity Tab
Front Seat Heating
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 allocati
General Description
The secondary air injection system sends air into the
exhaust using passages in the cylinder head. This extra air
injection takes place using the Secondary Air Injection Pump
Motor -V101- that is powered by the Secondary Air Injection Pump
Relay -J299- on a cold-start of the
Possible Refrigerant Circuit Concerns
Test Requirements
Electrical Equipment, vacuum system and air duct
fault-finding has not revealed any faults. Refer to Guided Fault
Finding for the A/C system ("OBD" or "Guided Fault Finding for
the A/C system"),
→ Wiring diagrams, Troubleshooting &