ABS Warning Indication
WARNING: This page is about a different car, the 2005 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
The ABS is monitored by the ABS module, which sends the status signal to the instrument cluster over the communication network. The instrument cluster uses this input to determine whether or not there is a fault with the traction control or the ABS systems, and illuminates the ABS warning indicator according to the input.