Audi A4 Owners & Service Manuals

Audi A4: Belt Fastening Detection

Audi A4 (B9) 2016-2026 Service Manual / Body / Body Interior / Passenger Protection, Airbags, Seat Belts / Belt Fastening Detection

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

  Note

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

Removing

- 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-.

A69-11090

Installing

Install in reverse order of removal and note the following:

  Note

  • 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".

    READ NEXT:

     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

    SEE MORE:

     Lubrication

    Oil Pan/Oil Pump Overview - Oil Pan/Oil Pump 1 - Nut Tightening specifications. Refer to → Servicing - 4-Cylinder 2.0L 4V TFSI Engine; Rep. Gr.17; Oil Pan/Oil Pump; Overview - Oil Pan/Oil Pump. 2 - Oil Level Thermal Sensor -G266- Removing and installing.

     Hydraulic Pressure Sensor 1 -G545- and Hydraulic Pressure Sensor 2 -G546-, Removing and Installing

      Note The Mechatronic remains installed.   WARNING The system is under pressure. The electronic ATF pump must be deactivated every time before opening the transmission, and the hydraulic pressure reservoir is drained. Refer to → Chapter "ATF Pump, Deactivating and Draining

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