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:
Applies to: vehicles with a coolant temperature indicator
The coolant temperature display (9) only functions when the ignition is
switched on.
To reduce the risk of engine damage, please observe
the following notes about the temperature
ranges.
Cold range
If only the LEDs at the bottom of the gaug
General Information
The anti-theft immobilizer system control module can
depending on the vehicle be integrated in the following systems:
Instrument Cluster Control Module -J285-
Comfort System Central Control Module -J393-
Access/Start Authorization Control Module -J518-
Additionally dependin