Audi A4: Airbag Crash Sensors
Audi A4 (B9) 2016-2025 Service Manual / Body / Body Interior / Passenger Protection, Airbags, Seat Belts / Airbag Crash Sensors
Component Location Overview - Airbag Crash Sensors
Note
The Avant is shown.
1 - Passenger Side Front Airbag Crash Sensor -G284-
- Component location: on the right of the lock carrier
- Removing and installing. Refer to → Chapter "Driver Front Airbag Crash Sensor -G283-, Removing and Installing".
2 - Bolt
- 9 Nm
3 - Front Passenger Thorax Airbag Crash Sensor -G180-
- Component location: inside the door
- Safety precautions. Refer to → Chapter "Front Thorax Airbag Crash Sensors (Pressure Sensors) Safety Precautions".
- Removing and installing. Refer to → Chapter "Driver Thorax Airbag Crash Sensor -G179-/ Front Passenger Thorax Airbag Crash Sensor -G180-, Removing and Installing".
- Make sure the seal is seated correctly. Replace crash sensor if damaged or deformed
- The tabs must audibly engage
4 - Passenger Side Rear Thorax Airbag Crash Sensor -G257-
- Component location: Behind the sill panel strip
- Removing and installing. Refer to → Chapter "Driver Side Rear Thorax Airbag Crash Sensor -G256-/ Passenger Side Rear Thorax Airbag Crash Sensor -G257-, Removing and Installing".
5 - Bolt
- 9 Nm
6 - Bolt
- 9 Nm
7 - Driver Side Rear Thorax Airbag Crash Sensor -G256-
- Component location: Behind the sill panel strip
- Removing and installing. Refer to → Chapter "Driver Side Rear Thorax Airbag Crash Sensor -G256-/ Passenger Side Rear Thorax Airbag Crash Sensor -G257-, Removing and Installing".
8 - Driver Thorax Airbag Crash Sensor -G179-
- Component location: Inside the door
- Safety precautions. Refer to → Chapter "Front Thorax Airbag Crash Sensors (Pressure Sensors) Safety Precautions".
- Removing and installing. Refer to → Chapter "Driver Thorax Airbag Crash Sensor -G179-/ Front Passenger Thorax Airbag Crash Sensor -G180-, Removing and Installing".
- Make sure the seal is seated correctly. Replace crash sensor if damaged or deformed
- The tabs must audibly engage
9 - Bolt
- 9 Nm
10 - Driver Front Airbag Crash Sensor -G283-
- Component location: On the left of the lock carrier
- Removing and installing. Refer to → Chapter "Driver Front Airbag Crash Sensor -G283-, Removing and Installing".
READ NEXT:
Driver Front Airbag Crash Sensor -G283-, Removing and Installing
Note
The Passenger Side Front Airbag Crash Sensor -G284- is removed
and installed the same way.
Removing
WARNING
Risk of injury due to involuntary deployment.
Pay attention to the sa
Seat Position Sensor
Overview - Seat Position Sensor
Note
The front passenger side is shown.
1 - Connector Coupling
Connector station in the underbody under the seat.
2 - Bolt
1.2 Nm
3&n
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 t
SEE MORE:
Cruise control system
Description
Applies to: vehicles with cruise control system
The cruise control system assists the driver in
maintaining a constant speed above approximately
15 mph (20 km/h). The system maintains
the desired speed by braking and accelerating.
WARNING
Observe the safety precautions and note the
Floor Heat Shield, Removing and Installing
Plenum Chamber Bulkhead Heat Shield, Removing and Installing
Removing
- Remove the plenum chamber bulkhead. Refer to
→ Chapter "Plenum Chamber Bulkhead, Removing and Installing".
- Remove the lock washers -arrows-.
- Remove the heat shield -1- from the
plenum chamber bulkhead
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