July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

ESP Hydraulic System Diagram

Courtesy of HYUNDAI MOTOR AMERICA

ESP Non-operation: Normal braking.

Solenoid valve	Continuity	Valve	Motor pump	TC Valve
IN (NO)	OFF	OPEN	OFF	OFF
OUT (NC)	OFF	CLOSE	OFF	OFF

ESP operation

Solenoid valve		Continuity	Valve	Motor pump	TC Valve
Understeering (Only inside of rear wheel)	IN (NO)	OFF	OPEN	ON	ON
Understeering (Only inside of rear wheel)	OUT (NC)	OFF	CLOSE
Oversteering (Only outside of front wheel)	IN (NO)	OFF	OPEN
Oversteering (Only outside of front wheel)	OUT (NC)	OFF	CLOSE