Audi Q7 Owners & Service Manuals

Audi Q7: Accelerator Pedal Module - GX2-, Checking

General Description

The Accelerator Pedal Position Sensor -G79- and Accelerator Pedal Position Sensor 2 -G185- are combined in one component and integrated into the Accelerator Pedal Module - GX2-. They are used to detect the position of the accelerator pedal throughout the entire adjustment range. The Engine Control Module - J623- detects the driver's request from these signals and uses them to calculate the injection quantity and EPC throttle valve operation.

The Accelerator Pedal Module - GX2- contains the following components:

  • Accelerator Pedal Position Sensor -G79-
  • Accelerator Pedal Position Sensor 2 -G185-

The Accelerator Pedal Module - GX2- components cannot be serviced separately, and they must be serviced as a unit.

Special tools and workshop equipment required

  • Multimeter.
  • Wiring Diagram.
  • Scan Tool.

Test requirements

  • Fuses OK.
  • Battery voltage OK.
  • Switch OFF all electrical and electronic accessories.
  • Vehicles with automatic transmission, ensure the selector lever position is in "P".
  • Vehicles with manual transmission, ensure the shifter lever position is in "N" with the parking brake applied.
  • Coolant temperature: ≥ 80º C.
  • Observe all safety precautions: → Chapter "Safety Precautions".
  • View clean working conditions: → Chapter "Clean Working Conditions".
  • For Hybrid vehicles, refer to: → Chapter "High Voltage System General Warnings".

Test Procedure

Test Procedure

Test Procedure

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