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Home >> Hyundai >> 2017 >> Accent Value Edition >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System/Electronic Stability Control System Diagnosis >> DTC C1503: TCS/ESC(ESP) Switch error >> Wiring Inspection >> Signal Circuit Inspection >> Open or Short Check

Open or Short Check

  1. IG "ON".
  2. Press the ESC(ESP) SWITCH.
  3. Measure voltage between ESC(ESP) switch signal terminal of the HECU harness connector and chassis ground.

    Specification:  Approx B+

  4. Is the measured value within specifications?

    YES 

    • Go to Component Inspection Procedure below.

    NO 

    • Check for open or blown fuse referring to "Circuit Diagram".
    • Repair open or short in power circuit between battery and HECU harness connector and then, go to "Verification of Vehicle Repair " procedure.
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