Anti-Lock Brake System: Description

The anti-lock brake system consists of hydraulic unit, brake actuator, three 3-position solenoids, pump motor, deceleration sensor (Camry All-Trac & Celica All-Trac), anti-lock brake (ABS) computer and 3 speed sensors (Cressida & Supra), 4 speed sensors (all other models). On Cressida and Supra, speed sensor for rear wheels is located on the transmission.

An indicator light "ANTILOCK" is located on the instrument panel in the combination meter. The indicator light comes on for 3 seconds as a bulb test when ignition is turned on. A primary check is performed after each engine start and initial vehicle speed exceeds 4 MPH. An actuator noise is heard as vehicle speed exceeds 4 MPH, this is normal. If brake pedal is depressed before vehicle exceeds 4 MPH, the primary check will not occur until brake pedal is released.