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 silicon 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 silicon are included in the system.

Replacing the Occupant weight sensor (OWS)

Removing the Occupant weight sensor (OWS)




Ignition off.
Disconnect the battery negative cable. 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/silicon cushion (1) from the bracket
- the clip/holder (2) for the cable harness.




- the 2 clips.

Caution! Remove the clips by pulling the clip straight up. Otherwise there is a risk of silicon leakage.

Remove the pressure sensor/silicon cushion.

Caution! Handle the pressure sensor/silicon 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)




Install the heating element. Refer to: Heater pad backrest and cushion, replacing Service and Repair.

Note! Ensure that the wiring is routed through the holes exactly as illustrated.

Caution! Do not pinch the hose from the silicon pad to the pressure sensor during installation.





Caution! Do not pinch the hose from the silicon pad to the pressure sensor during installation.





Install:
- the 2 screws. Tighten
- the connector at the end mounting
- the connectors on the multi-connector
- the pressure sensor/silicon cushion on the bracket under the seat. Secure the silicon hose in the clip/holder
- the pressure sensor/silicon 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 cable. 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 Car communication.

Calibrating the occupant weight sensor (OWS)

Warning! Calibrate the occupant weight sensor (OWS). See VIDA Car communication.