2006 Volvo S80 Owner's Manual - Page 13

2006 Volvo S80 Manual

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Occupant Weight Sensor (OWS) indicator light Disabling the passenger's side front airbag Volvo recommends that ALL occupants (adults and children) shorter than four feet seven inches (140 cm) be seated in the back seat of any vehicle with a front passenger side airbag, and be properly restrained for their size and weight. See also the child safety recommendations on page 21. The passenger's side front airbag is automatically enabled/disabled by the Occupant Weight Sensor (OWS), a system that monitors the weight of the person or object in the front passenger's seat. The system consists of a silicone-filled bag located under the padding in the front passenger's seat cushion, a control module located under this seat, and a seat belt tension sensor, located on the outboard side of the seat. The OWS system continuously monitors the pressure on the front passenger's seat cushion and the tension applied to the seat belt. Based on this data, OWS assesses the weight of the occupant or object in the front passenger's seat. This information is transmitted to the SRS system control module, which enables or disables the passenger's side front airbag accordingly, as indicated in the table to the right. If the system is functioning normally, the status of the front passenger's side airbag (enabled/ disabled) will be shown by the OWS indicator light as explained in the table to the right. The OWS indicator light is separate and in addition to the SRS warning light in the instrument panel. NOTE: When the ignition is switched on, the OWS indicator light will go on for up to 10 seconds while the system performs a self-diagnostic test and then go out. However, if a fault is detected in the system: The OWS indicator light will stay on The SRS warning light (see page 5) will come on and stay on The message PASS. AIRBAG OFF SERVICE URGENT will be displayed in the information display.

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Occupant Weight Sensor (OWS) indicator light
Disabling the passenger's side front airbag
Volvo recommends that ALL occupants (adults and children) shorter than four feet seven inches (140 cm) be seated in
the back seat of any vehicle with a front passenger side airbag, and be properly restrained for their size and weight.
See also the child safety recommendations on
page 21
.
The passenger's side front airbag is automatically enabled/disabled by the Occupant Weight Sensor (OWS), a system
that monitors the weight of the person or object in the front passenger's seat. The system consists of a silicone-filled
bag located under the padding in the front passenger's seat cushion, a control module located under this seat, and a seat
belt tension sensor, located on the outboard side of the seat.
The OWS system continuously monitors the pressure on the front passenger's seat cushion and the tension applied to
the seat belt. Based on this data, OWS assesses the weight of the occupant or object in the front passenger's seat. This
information is transmitted to the SRS system control module, which enables or disables the passenger's side front
airbag accordingly, as indicated in the table to the right.
If the system is functioning normally, the status of the front passenger's side airbag (enabled/ disabled) will be shown
by the OWS indicator light as explained in the table to the right. The OWS indicator light is separate and in addition to
the SRS warning light in the instrument panel.
NOTE:
When the ignition is switched on, the OWS indicator light will go on for up to 10 seconds while the system
performs a self-diagnostic test and then go out.
However, if a fault is detected in the system:
The OWS indicator light will stay on
The SRS warning light (see
page 5
) will come on and stay on
The message PASS. AIRBAG OFF SERVICE URGENT will be displayed in the information display.