ESC Operation Mode: Notes

ESC Hydraulic System Diagram 

Fig 1: ESC Hydraulic System Diagram

Courtesy of HYUNDAI MOTOR AMERICA

1. ESC Non-operation: Normal braking.

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

2. ESC operation

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

Fig 2: ESC Warning Lamps Screen Display

Courtesy of HYUNDAI MOTOR AMERICA