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Home >> Hyundai >> 2007 >> Santa Fe GLS, AWD, Automatic >> Repair and Diagnosis >> Brakes >> Traction Control >> ESC (Electronic Stability Control) System >> Esp/ESC System >> ESC Operation Mode >> ESC Operation Mode

ESC Operation Mode

  1. ESC Non-operation-Normal braking.
    ESC NON-OPERATION-NORMAL BRAKING REFERENCE

      Inlet valve (EV) Outlet valve (AV) Pilot valve (USV) High pressure switch valve (HSV) Pump motor
    Normal braking Open Close Open Close OFF
    Fig 1: ESC Non-Operation-Normal Braking - Circuit Diagram
    G04892758Courtesy of HYUNDAI MOTOR CO.
    NOTE: EV: Inlet Valve
    AV: Outlet Valve
    LR : Rear left wheel
    RF: Front right wheel
    LF: Front left wheel
    RR : Rear right wheel
    PE: Pump motor
    USV: Pilot Valve
    HSV: High pressure Switch Valve
  2. ESC INCREASE MODE
    ESC INCREASE MODE REFERENCE

      Inlet valve (EV) Outlet valve (AV) Pilot valve (USV) High pressure switch valve (HSV) Pump motor
    Normal braking Open Close Close (Partial) Open ON (Motor speed control)
    Fig 2: ESC Increase Mode - Circuit Diagram
    G04892759Courtesy of HYUNDAI MOTOR CO.
    NOTE: EV: Inlet Valve
    AV: Outlet Valve
    LR : Rear left wheel
    RF: Front right wheel
    LF: Front left wheel
    RR : Rear right wheel
    PE: Pump motor
    USV: Pilot Valve
    HSV: High pressure Switch Valve
  3. ESC HOLD MODE ( FR is only controlled.)
    ESC HOLD MODE OPERATION REFERENCE

      Inlet valve (EV) Outlet valve (AV) Pilot valve (USV) High pressure switch valve (HSV) Pump motor
    Normal braking Close Close Close (Partial) Open ON (Motor speed low control)
    Fig 3: ESC Hold Mode ( FR Only Controlled.) - Circuit Diagram
    G04892760Courtesy of HYUNDAI MOTOR CO.
    NOTE: EV: Inlet Valve
    AV: Outlet Valve
    LR: Rear left wheel
    RF : Front right wheel
    LF: Front left wheel
    RR: Rear right wheel
    PE: Pump motor
    USV: Pilot Valve
    HSV: High pressure Switch Valve
  4. ESC DECREASE MODE (FR is only controlled)
    ESC DECREASE MODE OPERATION REFERENCE

      Inlet valve (EV) Outlet valve (AV) Pilot valve (USV) High pressure switch valve (HSV) Pump motor
    Normal braking Close Open Close (Partial) Open ON (Motor speed low control)
    Fig 4: ESC Decrease Mode (FR Only Controlled) - Circuit Diagram
    G04892761Courtesy of HYUNDAI MOTOR CO.
    NOTE: EV: Inlet Valve
    AV: Outlet Valve
    LR : Rear left wheel
    RF: Front right wheel
    LF: Front left wheel
    RR : Rear right wheel
    PE: Pump motor
    USV: Pilot Valve
    HSV: High pressure Switch Valve
    Fig 5: Identifying ABS Warning Lamp, ESC/ESC OFF Lamp And BRAKE/EBD Lamp
    G05350716Courtesy of HYUNDAI MOTOR CO.
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