Anti-Lock Brake System: Description
The Anti-Lock Brake System (ABS) control unit senses reductions in front and rear wheel speed and modulates hydraulic pressure to the brakes to prevent wheel lock-up. The ABS consists of hydraulic unit, relay box, 4 speed sensors and sensor rotors, diagnosis connector, and ABS control unit. See Fig 1 . An ABS warning light is located on the instrument panel.
NOTE:
For more information on brake system, see BRAKES SYSTEM article in the BRAKES Section.