ESC Operation Mode

STEP 1
The ESC analyzes the intention of the driver.

Fig 1: ESC Operation Mode - ESC Analyzes Intention Of Driver
Courtesy of HYUNDAI MOTOR AMERICA
STEP 2
It analyzes the movement of the ESC vehicle.

Fig 2: ESC Operation Mode - Analyzes Movement Of ESC Vehicle
Courtesy of HYUNDAI MOTOR AMERICA
STEP 3
The HECU calculates the required strategy, then actuates the appropriate valves and sends torque control requests via CAN to maintain vehicle stability.

ESC Non-operation-Normal braking.

	Inlet valve (IV)	Outlet valve (OV)	Traction Control Valve (TCV)	High pressure switch valve (HSV)	Return pump
Normal braking	Open	Close	Open	Close	OFF

Fig 1: Electronic Stability Control System Circuit Diagram - ESC Non-Operation-Normal Braking

Courtesy of HYUNDAI MOTOR AMERICA

NOTE:

ESC Increase Mode

	Inlet valve (IV)	Outlet valve (OV)	Traction Control Valve (TCV)	High pressure switch valve (HSV)	Return pump
Normal braking	Open	Close	Close (Partial)	Open	ON (Motor speed control)

Fig 2: Electronic Stability Control System Circuit Diagram - ESC Increase Mode

Courtesy of HYUNDAI MOTOR AMERICA

NOTE:

ESC Hold Mode (FR is only controlled.)

	Inlet valve (IV)	Outlet valve (OV)	Traction Control Valve (TCV)	High pressure switch valve (HSV)	Return pump
Normal braking	Close	Close	Close (Partial)	Open	OFF

Fig 3: Electronic Stability Control System Circuit Diagram - ESC Hold Mode (FR Only Controlled)

Courtesy of HYUNDAI MOTOR AMERICA

NOTE:

ESC Decrease Mode (FR is only controlled)

	Inlet valve (IV)	Outlet valve (OV)	Traction Control Valve (TCV)	High pressure switch valve (HSV)	Return pump
Normal braking	Close	Open	Close (Partial)	Open	ON (Motor speed low control)

Fig 4: Electronic Stability Control System Circuit Diagram - ESC Decrease Mode (FR Only Controlled)

Courtesy of HYUNDAI MOTOR AMERICA

NOTE:

[Super Vision]

Fig 5: Locating ABS Warning Lamp And EBD/Parking Brake Warning Lamp - Super Vision

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[General]

Fig 6: Locating ABS Warning Lamp And EBD/Parking Brake Warning Lamp - General

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