Audi Q7: Heating, Ventilation & Air Conditioning

 Component Location Overview - Central Locking

1 - Engine Hood Contact Switch In the latch Engine Hood Contact Switch -F266- Hood Contact Switch 2 -F329- Removing and Installing. Refer to → Chapter "Engine Hood Contact Switch -F266-, Removing and Installing". 2 - Anti-Theft Alarm System Sensor -G578- Over

 Oxygen Sensor 1 After Catalytic Converter - GX7-, Checking

General Description The Oxygen Sensor 1 After Catalytic Converter -GX7- is positioned downstream of the primary catalytic converter and it supplies the Engine Control Module -J623- with a voltage signal (nonlinear) indicating a "rich" or a "lean" condition is present. If the primary catalytic co