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:
Overview - Cover and Cushion
Overview - Cover and Cushion, Sport Bench Seat
1 - Seat Frame
With the molded piece
2 - Upholstery Clip
For securing the cover to the cushion
Replace
Install at the same location with Upholstery Clip Pliers -VAG1634-.
3 - Wire
Cov
Overview - Exterior Rearview Mirror
1 -
Mirror Trim
2 -
Bolt
1.5 Nm
3 -
Mirror Adjusting Unit
Removing and installing. Refer to
→ Chapter "Mirror Adjusting Unit, Removing and Installing".
4 -
Bolt
Tightening specification. Refer to
→