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Home >> Hyundai >> 2021 >> Ioniq Hybrid SEL >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> ESC/AHB Diagnosis (HEV) >> DTC C1378-01: Pedal Signal Open/Short Error >> Wiring Inspection >> Signal Circuit Inspection >> Short Check (to battery)

Short Check (to battery)

  1. IG "ON".
  2. Disconnect the Brake Pedal Travel sensor, AHB connectors.
  3. Measure voltage between PDT signal terminal of the Brake Pedal Travel sensor harness connector and chassis ground.

    Specification:  Approx. 0 V

  4. Is the measured value within specifications?

    YES 

    • Go to next procedure.

    NO 

    • Repair short to battery in PDT signal circuit between the Brake Pedal Travel sensor harness connector and AHB ECU harness connector and then, go to "VERIFICATION OF VEHICLE REPAIR "