Anti-Lock Brake System: Description

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The Teves Anti-Lock Brake System (ABS) consists of acceleration switch, Controller Anti-Lock Brake (CAB), CHECK ANTI-LOCK warning light, Hydraulic Control Unit (HCU), main relay, master cylinder, pedal travel sensor, pump motor relay, pump motor sensor, vacuum booster, 4 wheel speed sensors and axle shaft tone (pulse) rings.

During ABS operation, front wheels are controlled individually and rear wheels are controlled together. ABS modulates brake fluid pressure during high pedal pressure and high vehicle deceleration to prevent wheel lock-up.

NOTE: For more information on brake system, see BRAKE SYSTEM article in this section.