1. Normal Braking

Fig 1: Solenoid Valve Operation During Normal Braking

Courtesy of HYUNDAI MOTOR CO.

Under the normal braking, voltage is not supplied to solenoid valve, inlet valve is opened and outlet valve is closed.

When the brake is depressed, brake fluid is supplied to the wheel cylinder via solenoid valve to activate the brake.

When the brake is released, brake fluids back to the master cylinder via inlet valve and check valve.