Audi A4: 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-.

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:
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
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:
Rear Lower Transverse Link, Removing and Installing
Special tools and workshop equipment required
Torque Wrench 1332 40-200Nm -VAG1332-
Engine and Gearbox Jack -VAS6931-
Engine/Gearbox Jack Adapter - Wheel Hub Support -T10149-
Caution
This procedure contains mandatory replaceable parts
Aerial Cable Repair Set VAS6720
Special tools and workshop equipment required
Aerial Cable Repair Set -VAS6720-
The Aerial Cable Repair Set -VAS6720- makes it possible to
perform a quality repair on antenna wires RG 174 (blue) and RTK
031 (black). The set contains the insulation removal tools a