Audi Q7: Communication

 Making phone calls using the exterior antenna

Applies to: vehicles with Audi phone box With the Audi phone box, you can make calls using the exterior antenna on the vehicle. Using the exterior antenna helps when there is a low signal and also provides better reception quality. Requirement: the ignition must be switched on. To make phone

 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