Front End Discriminating Sensor
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Front end discriminating sensor is an auxiliary sensor which assists SDM in determining when deployment should occur by providing an input signal. Front end discriminating sensor is not part of deployment loop.