Antilock Brakes / Traction Control Systems: Description and Operation

Anti-Lock Control
The anti-lock brake system (ABS) consists of these components:
^ Anti-lock brake system (ABS) module
^ Hydraulic control unit (HCU)
^ Front wheel speed sensor
^ Front wheel speed sensor ring
^ Rear wheel speed sensor
^ Rear wheel speed sensor ring
^ Red brake warning indicator
^ Traction control switch
^ Yellow ABS warning indicator