Circuit/System Description
WARNING: This page is about a different car, the 2008 Pontiac Torrent and 2008 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
The electronic brake control module (EBCM) supplies an ignition voltage to the yaw rate sensor lateral accelerometer and is monitored via an internal feedback circuit to the EBCM microprocessor.