Audi Q7: Heating, Ventilation & Air Conditioning

 Electrically-Driven A/C Compressor

  WARNING Risk of short circuit The A/C compressor works with up to 288 volts at 800 to 8,600 RPM. Do not touch the A/C compressor when the ignition is turned on or when the drive machines are activated because of the short circuit risk. The A/C compressor extracts the refrigerant gas fr

 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