Audi A4 Owners & Service Manuals

Audi A4: Belt Fastening Detection

Front Passenger Occupant Detection Sensor -G128-, Removing and Installing


The passenger occupant detection sensor is only installed in the front passenger seat.


- Unscrew the front passenger seat and tip to the rear with the wires attached. Refer to → Chapter "Front Seat, Removing and Installing".

- Disconnect the connector -2- for the passenger occupant detection sensor.

- Unclip the mount -1- from the seat pan -arrows- and remove the passenger occupant detection sensor -3-.



Install in reverse order of removal and note the following:


  • Make sure the connectors are pushed in all the way and that they engage audibly.
  • If the Airbag Indicator Lamp -K75- indicates a fault after installing, check the DTC memory, erase it and check it again using the Vehicle Diagnostic Tester.

Installation instructions: For example tightening specifications, replacing components. Refer to → Chapter "Overview - Seat Position Sensor".


     Pedestrian Protection

    Overview - Pedestrian Protection 1 - Driver Side Pedestrian Protection Crash Sensor 2 -G851-/Front Passenger Side Pedestrian Protection Crash Sensor 2 -G852- Unit with pressure hose Com

     Interior Trim

     Front Door Trim Panels

    Overview - Front Door Trim Panel 1 - Pull Handle with Armrest Removing and installing. Refer to → Chapter "Front Pull Handle, Removing and Installing". 2 - Switch Mount


     Door Handle, Removing and Installing

    Removing - Remove the door handle trim. Refer to → Chapter "Door Handle Trim, Removing and Installing". - Equipped on some models: Remove the exterior door handle illumination bulb. Refer to → Electrical Equipment; Rep. Gr.94; Exterior Door Handle Lamps; Exterio

     Component Location Overview - Telephone System

    1 - Center Console Storage Compartment Removing and installing. Refer to → Body Interior; Rep. Gr.68; Center Console; Overview - Center Console. 2 - Telephone Baseplate -R126- Removing and installing. Refer to → Chapter "Telephone Baseplate -R126-,

    © 2019-2024 Copyright