Anti-Lock Braking System (ABS)

ABS systems are add-on devices to conventional base brake systems. ABS allows the driver to maintain steering control of the vehicle while in hard braking situations. Computerized ABS is designed to keep the wheels from locking as the brakes are applied. A locked wheel provides very little or no directional control. Drivers should maintain firm brake pressure on the brake pedal of ABS equipped vehicles, because pumping the brakes only extends the stopping distance. Drivers may experience a pulsation in the brake pedal, or pedal kick back during an ABS stop. This is normal and not to be confused with a conventional brake pedal pulsation. Major components of the anti-lock brake system consist of a computer module, hydraulic assembly, speed sensor(s), wiring, and the amber ABS brake warning light.