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Home >> Hyundai >> 2021 >> Ioniq Hybrid SEL >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Blind Spot Detection Diagnosis - Left (HEV) >> DTC C1628-87: CAN Time-Out Cluster >> Wiring Inspection >> CAN Communication Line Inspection >> CAN communication circuit inspection (BSD ECU(LH) ↔ Cluster)

CAN communication circuit inspection (BSD ECU(LH) ↔ Cluster)

  1. Ignition "OFF"
  2. Disconnect BSD ECU connector and Cluster connector.
  3. Measure the resistance between CAN-HIGH terminal of BSD ECU harness connector and CAN-HIGH terminal of Cluster harness connector.
  4. Measure the resistance between CAN-LOW terminal of BSD ECU harness connector and CAN-LOW terminal of Cluster harness connector.

    Specification:  below 1Ω

  5. Is the measured resistance within specification?

    YES 

    • Check Cluster, BSD ECU(LH/RH) 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.
    • Check for open/short in harness.

    NO 

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