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Home >> Hyundai >> 2021 >> Ioniq Hybrid SEL >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> ESC/AHB Diagnosis (HEV) >> DTC C1203-01: Wheel Speed Sensor Front-RH Open/Short >> Wiring Inspection >> Signal Circuit Inspection >> Open Check

Open Check

  1. IG "OFF".
  2. Disconnect IBAU and wheel speed sensor (FR) connector.
  3. Measure resistance between signal terminal of wheel speed sensor (FR) harness connector and chassis ground.

    Specification:  Approx. Below 1Ω

  4. Is the measured resistance within specifications?

    YES 

    • Go to next procedure.

    NO 

    • Repair open in signal circuit between IBAU harness connector and wheel speed sensor harness connector, and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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