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Home >> Hyundai >> 2021 >> Ioniq Hybrid SEL >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Adaptive Front Lighting System Diagnosis (HEV) >> DTC B1661-46: Parameter Missing >> DTC Inspection >> Monitor GDS Data

Monitor GDS Data

  1. Connect GDS to Data Link Connector (DLC).
  2. Engine "ON".
  3. Confirm the AFLS ECU type and then download to correct parameter.

    *REFERENCE* 

    Perform the initializing after replace "AFLS ECU"

    *Vehicle condition 

    1. Park at lever land
    2. Vehicle speed < 5 km/h
    3. IG ON or Engine on
    4. Connect GDS
    5. CAN communication is normal status
    6. Battery voltage > 10.5V
    7. Autolight Switch Off (AFLS Switch Off)
    8. Headlamp Low Beam S/W ON
      1. Parameter Download
        G13839197Courtesy of HYUNDAI MOTOR AMERICA
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