Normal Operation
WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
The status of the ABS system is sent to the instrument cluster from the ABS module over the controller area network (CAN). The instrument cluster monitors the ABS input and illuminates the ABS warning indicator when a concern is present.