Circuit Description
WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
The scan tool will report zero yaw rate as 2.5 Volts without a sensor bias present. The sensor bias compensates for electronic signal errors, temperatures changes and manufacturing differences. With the vehicle at rest the voltage should be 2.5 volts.