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Home >> Hyundai >> 2021 >> Ioniq Hybrid SEL >> Repair and Diagnosis >> Brakes >> Anti-Lock Brakes >> ESC/AHB Diagnosis (HEV) >> DTC C1612-08: CAN Time-Out TCU >> Wiring Inspection >> Signal Circuit Inspection >> Open Check

Open Check

  1. IG "OFF".
  2. Disconnect IBAU and PCM (TCM) connector.
  3. Measure resistance between P-CAN HIGH terminal (LOW terminal) of the IBAU harness connector and P-CAN HIGH terminal (LOW terminal) of the PCM (TCM) harness connector.

    Specification:  Approx. below 1Ω

  4. Is the measured value within specifications?

    YES 

    NO 

    • Repair open in P-CAN BUS line between IBAU harness connector and PCM (TCM) harness connector and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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