Audi A4: Seat Position Sensor

Audi A4 (B9) 2016-2024 Service Manual / Body / Body Interior / Passenger Protection, Airbags, Seat Belts / Seat Position Sensor

Overview - Seat Position Sensor

Note

The front passenger side is shown.

Overview - Seat Position Sensor

1 - Connector Coupling

Connector station in the underbody under the seat.

2 - Bolt

1.2 Nm

3 - Front Passenger Occupant Detection Sensor -G128-

Only the front passenger side
Removing and installing. Refer to → Chapter "Front Passenger Occupant Detection Sensor -G128-, Removing and Installing".
Push the clips into the seat pan until they click into place.

4 - Passenger Occupant Detection Sensor Bracket

Clipped in the seat frame.
Removing and installing. Refer to → Chapter "Front Passenger Occupant Detection Sensor -G128-, Removing and Installing".

5 - Wiring Harness

Clipped in the seat frame.

6 - Connector Coupling

For the seat belt latch

7 - Seat Rail

Tunnel-side

8 - Seat Position Sensor

Driver Seat Position Sensor -G553-
Front Passenger Seat Position Sensor -G554-

Removing and installing. Refer to → Chapter "Seat Position Sensor, Removing and Installing".

9 - Bolt

1.6 Nm

10 - Connector Coupling

For the Passenger Occupant Detection System Control Module -J706-
Only the front passenger side

11 - Passenger Occupant Detection System Control Module -J706-

Market-Specific Version

Caution

Risk of malfunction.

Never disconnect the connector between the Front Passenger Occupant Detection Sensor -G128- and the Passenger Occupant Detection System Control Module -J706-.

Clipped in the storage compartment.

Seat Position Sensor, Removing and Installing

The seat position sensor is available as a replacement part with the wiring harness and connector. The following wires with connectors are contained in the wiring harness:

Driver Seat Position Sensor -G553-: wire with connector for seat belt latch connection.
Front Passenger Seat Position Sensor -G554-: wire with connector for seat belt latch connection, passenger occupant detection sensor and passenger occupant detection system control module (market-specific).

Removing

- Disconnect the modular wiring routing. Refer to → Chapter "Modular Wiring Routing, Disconnecting and Connecting".

- Open the corrugated tube, remove the wire for the Driver Seat Position Sensor -G553-/ Front Passenger Seat Position Sensor -G554- with the connector and free up.

- Remove the bolt -2-.

- Unclip and disengage the seat position sensor -1- for the seat pan lower frame -3--arrow-.

- Remove the cable ties or cable clips for the wire on the seat pan lower frame.

A69-11026

Driver Seat

- Free up the connector -3- for the seat belt latch and disconnect.

- Remove the seat position sensor -1- with the wire -2-.

A69-11088

Front Passenger Seat

- Free up the connector -1- for the seat belt latch and disconnect.

- Disconnect the connector -3- on the Front Passenger Occupant Detection Sensor -G128-.

- Remove the seat position sensor -4- with the wire -2-.

A69-11089

Installing

Install in reverse order of removal.

Installation instructions: For example tightening specifications, replacing components. Refer to → Chapter "Overview - Seat Position Sensor".

SEE MORE:

Exterior Lights, Switches

HID Headlamp Usage and Safety Precautions Never replace bulbs if you are not familiar with the procedures, safety precautions and tools. WARNING Danger to life due to high voltage. For work on the yellow high voltage symbol marked areas HID headlamp must be de-energized. Turn off the i

Alternative routes

Applies to: vehicles with navigation system Fig. 146 Alternative routes in the overview map Opening alternative routes Requirement: route guidance must be started and the map must be displayed Press on in the side menu on the map fig. 143. Current route The distance to the destination and

Audi A4: Seat Position Sensor

READ NEXT:

Belt Fastening Detection

Pedestrian Protection

Interior Trim

SEE MORE:

Exterior Lights, Switches

Alternative routes