Front Impact Sensors
WARNING: This page is about a different car, the 2002 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.
Front impact sensors are located on vertical members of radiator support, in engine compartment. Front impact sensors are electronic accelerometers that sense rate of vehicle deceleration, which provides verification of direction and severity of an impact to Air Bag Control Module (ACM).