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Airbag Deployment Sensors and Controls
Occupant Restraint Controller (ORC)
The Occupant Restraint Controller System (ORC) is
part of a Federally regulated safety system required for
this vehicle.
The ORC determines if a frontal collision is severe
enough to require the airbags to inflate. Based on the
sensor signals, a central electronic Occupant Restraint
Controller (ORC) deploys the front airbags, side inflat-
able airbag curtains (if equipped), seat-mounted side
(Thorax) airbags, and front seat belt pretensioners as
required for each type of impact.
The ORC monitors the readiness of the electronic parts of
the system whenever the ignition switch is in the START
or RUN positions. These include all of the items listed
above except the steering wheel and column, instrument
panel, and passenger knee bolsters. If the key is in the
OFF position, in the ACC position, or not in the ignition,
the airbags are not on and will not inflate.
The ORC contains a backup power supply system that
will deploy the airbags even if the battery loses power or
it becomes disconnected prior to deployment.
Also, the ORC turns on the Airbag Warning
Light in the instrument panel for six to eight
seconds for a self-check when the ignition is
first turned ON. After the self-check, the Air-
bag Warning Light will turn off. If the ORC detects a
malfunction in any part of the system, it turns on the
Airbag Warning Light either momentarily or continu-
ously. A single chime will sound if the light comes on
again after initial start up.
60 THINGS TO KNOW BEFORE STARTING YOUR VEHICLE