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Home >> Hyundai >> 2003 >> Sonata LX, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 15 (Anti-Lock Brake System) >> Abs (Anti-Lock Brake System) >> System Component

System Component

WARNING: This page is about a different car, the 2003 Hyundai Elantra. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: ABS System Components
G00961451Courtesy of HYUNDAI MOTOR CO.

The Anti-Lock Brake System (ABS) controls the hydraulic brake pressure of all four wheels during braking on hazardous road surfaces, preventing the wheels from locking up. ABS provides the following benefits.

  1. Enables steering around obstacles with a greater degree of certainty, even during emergency braking.
  2. Enables stopping during emergency braking while keeping stability and steerability even on curves.

If a malfunction occurs, a diagnosis function and fail-safe system are included for serviceability.

The Hydraulic and Electronic Control Unit (HECU) receives signals about the vehicle's speed, direction and road conditions from sensors at the wheels.

Based on these signals, the control unit will determine the optimum amount of wheel spin.