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Home >> Hyundai >> 2021 >> Accent SEL >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Autonomous Emergency Braking System Diagnosis >> DTC C180B-87: CAN Time-Out CGW1 >> Wiring Inspection >> C-CAN communication line Inspection >> Check Open in CAN communication Line

Check Open in CAN communication Line

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

    Specification:  Below 1Ω

  5. Is the measured value within specification?

    YES 

    • Check CGW 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.
    • Substitute with a known-good CGW Module and check for proper operation.

    If the problem is corrected, replace Module and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

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