Volvo Workshop Manuals
XC90 FWD L6-3.2L VIN 98 B6324S (2007)
Sensors and Switches > Sensors and Switches - Restraint Systems > Seat Occupant Sensor > Component Information > Technical Service Bulletins > Page 3997
Seat Occupant Sensor: Testing and Inspection
Occupant weight sensor (OWS), checking
Note! The illustrations in this service information are used for different model years and/or models. Some variation may occur. However, the
System description of the Occupant weight sensor (OWS)
The occupant weight sensor (OWS) has a pressure sensor/ cushion filled with silicone located under the front seat cushion of the passenger seat.
Caution! Silicon can:
damage surrounding materials
interfere with the functions of electrical components
make the application of paint and adhesive difficult.
Any leakage from the occupant weight sensor (OWS) can be detected by a visual check of the passenger seat and surrounding area. Sticky transparent
Checking for leakage
Remove the front passenger seat. See: Front seat, replacing See: Body and Frame/Seats/Service and Repair/Removal and Replacement/Front Seat,
Caution! The leaking pressure sensor/cushion must be placed in a plastic bag and sealed with tape. The plastic bag must be disposed of
Corrective action in event of leakage
Clean/decontaminate after silicone leakage. See: Occupant weight sensor (OWS), cleaning See: Service and Repair/Procedures.
Corrective action in the event of non-leaking pressure sensor, cushion
Install the pressure sensor/cushion. See: Occupant weight sensor (OWS), replacing See: Service and Repair/Removal and Replacement.
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