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:
It is necessary to disassemble the joint whenever replacing
the grease or if the ball surfaces show wear or damage.
Disassembling
Note
Ball hub and joint are paired and should be identified
before removal. Do not interchange ball race allocation.
- Tilt the ball hub and ball cage.
-&n
Overview - Noise Insulation
1 -
Quick Release
Without fastener
2 -
Plug/Rubber Grommet
Plug for vehicles without parking heater
Rubber grommet for parking heater exhaust pipe
3 -
Bolt
12 Nm
Quantity: 2
4 -
Rear Noise Insulation
Removing and install