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Home >> Hyundai >> 2007 >> Santa Fe GLS, AWD, Standard >> Repair and Diagnosis >> Brakes >> Traction Control >> ESC (Electronic Stability Control) System >> Esp/ESC System >> DTC C1503 TCS/ESC Switch Error >> Component Inspection

Component Inspection

  1. Ignition "ON".
  2. Disconnect ESC switch connector.
  3. Press the ESC switch.
  4. Measure resistance between terminal "3, 4" of the ESC switch component connector and terminal "4, 5" of the ESC switch component connector.

    Specification :

    Approx. below 1 Ω - ESC switch is depressed.

    Approx. ∞ Ω - ESC switch is not depressed

    Fig 1: Measuring Resistance Between Terminal 3, 4 Of ESC Switch Component Connector
    G05350775Courtesy of HYUNDAI MOTOR CO.
  5. Is the measured resistance within specifications?

    YES 

    • Fault is intermittent caused by inoperative ESC switch or was repaired and HECU memory was not cleared. Go to the applicable troubleshooting procedure.

    NO 

    • Substitute with a known-good ESC switch and check for proper operation. If problem is corrected, replace ESC switch and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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