Removal and Replacement

Occupant weight sensor (OWS), replacing

Note! The illustrations in this service information are used for different model years and/or models. Some variation may occur. However, the essential information in the illustrations is always correct.

Information

Important information

Caution! In the event of suspected silicone leakage, see Occupant weight sensor (OWS), checking Component Tests and General Diagnostics.

Caution! The entire system must be replaced when replacing the occupant weight sensor (OWS). This is because the occupant weight sensor (OWS) components are calibrated to each other by the manufacturer. The occupant weight sensor (OWS), foam (seat cushion) and a pressure sensor/cushion filled with silicone are included in the system.

Replacing the Occupant weight sensor (OWS)

Removing the Occupant weight sensor (OWS)




Ignition off.
Disconnect the battery negative lead. See: Battery, disconnecting Battery Disconnecting.




Remove the seat cushion upholstery: Upholstery seat cushion, replacing Upholstery Seat Cushion, Replacing.
Place the seat on its back. Fold up the upholstery. Remove the seat cushion.





Remove:
- the pressure sensor/silicone cushion (1) from the bracket
- the clip/holder (2) for the cable harness.




- the 2 clips.

Caution! Remove the clips by bending the seat base nearest to the clips. Failure to do so may result in silicone leakage.

Remove the pressure sensor/silicone cushion.

Caution! Handle the pressure sensor/silicone cushion with care.





Remove:
- the 2 screws under the seat
- the connector at the end mounting
- the connectors from the multi-connector.

Installing the occupant weight sensor (OWS)





Note! Insert the cable harness and the occupant weight sensor through the seat base.

Install:
- the 2 screws. Tighten
- the connector at the end mounting
- the connectors on the multi-connector
- the pressure sensor/silicone cushion on the bracket under the seat. Secure the silicone hose in the clip/holder
- the pressure sensor/silicone cushion using 2 clips
- the seat cushion. Fold down and secure the upholstery. See: Upholstery seat cushion, replacing Upholstery Seat Cushion, Replacing
- the battery negative lead. See: Battery, disconnecting Battery Disconnecting.

Finishing

Storing the ID number for the occupant weight sensor (OWS)

Caution! Store the ID number for the occupant weight sensor (OWS). See VIDA vehicle communication.

Calibrating the Occupant weight sensor (OWS)

Warning! Calibrate the Occupant weight sensor (OWS). See VIDA vehicle communication.