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Home >> Hyundai >> 2004 >> Sonata Base, 2.7 H >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System >> Abs (Anti-Lock Brake System) >> System Function >> Abs Operation >> 3. Hold Mode

3. Hold Mode

Fig 1: Solenoid Valve Operation During Hold Mode
G00753059Courtesy of HYUNDAI MOTOR CO.

When the brake fluid pressure is maximally decreased in wheel cylinder, HECU sends a signal to solenoid valve to keep the fluid pressure, voltage is supplied to inlet valve but it is not supplied to outlet valve. At this time inlet and outlet valves are closed and brake fluid is kept in wheel cylinder.

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