ESP Hydraulic System Diagram: Notes

WARNING: This page is about a different car, the 2017 Kia Niro. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: ESP Hydraulic System Diagram

Courtesy of KIA MOTORS AMERICA, INC.

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
Under-Steering (Only inside of rear wheel)	IN (NO)	OFF	OPEN	ON	ON
	OUT (NC)	OFF	CLOSE
Over-Steering (Only outside of front wheel)	IN (NO)	OFF	OPEN
	OUT (NC)	OFF	CLOSE

Fig 2: ESP Operation Mode Function/Warning Lamp

Courtesy of KIA MOTORS AMERICA, INC.