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Home >> Hyundai >> 2021 >> Ioniq Hybrid SEL >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Adaptive Front Lighting System Diagnosis (HEV) >> DTC B2200-81: LIN Communication Error DBL (Dynamic Bending Light) Right >> Wiring Inspection >> LIN communication circuit inspection >> Check open in LIN communication circuit 2

Check open in LIN communication circuit 2

  1. Ignition "OFF".
  2. Disconnect AFLS ECU connector and headlamp (RH) connector.
  3. Measure the resistance between AFLS ECU power terminal of wiring side and headlamp (RH) power terminal of wiring side.

    Specification:  Approx. 0Ω.

  4. Is the measured resistance within specification?

    YES 

    • Substitute with a known - good headlamp (RH) assembly and check for proper operation. If the problem is corrected, replace headlamp (RH) assembly and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Check for open between AFLS ECU LIN communication circuit and headlamp (RH) LIN communication circuit.
    • Repair as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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