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Home >> Hyundai >> 2021 >> Ioniq Hybrid SEL >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Autonomous Emergency Braking (AEB) System Diagnosis (HEV) >> DTC C1612-87: CAN Time-Out TCU >> Wiring Inspection >> C-CAN Communication Line Inspection >> Check Open in CAN Communication Line

Check Open in CAN Communication Line

  1. Ignition switch 'OFF'.
  2. Disconnect AEB(SCC) Module connector and TCM connector.
  3. Measure the resistance between C-CAN High terminal of AEB(SCC) Module harness connector and C-CAN High terminal of TCM harness connector.
  4. Measure the resistance between C-CAN Low terminal of AEB(SCC) Module harness connector and C-CAN Low terminal of TCM harness connector.

    Specification  : Below 1 Ω

  5. Is the measured value within specification?

    YES 

    • Check AEB(SCC), TCM Module connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary, and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

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