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Home >> Hyundai >> 2012 >> Genesis 3.8 >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Head Lamp AFLS (Led) Diagnosis >> DTC B1603: CAN Communication Bus Off >> Scantool Diagnostics >> Monitor GDS Data

Monitor GDS Data

  1. Connect GDS to Data Link Connector (DLC).
  2. Engine "ON" and Head lamp "ON"
  3. Monitor the "CAN" parameters on the GDS.

    (TCM, ECM, ESC, SAS, EHPS, SCC, SRS, EPB, Cluster).

    Fig 1: Display - Vehicle Speed, Steering Wheel Angle, Headlamp Status And Engine Status Current Data
    G08840235Courtesy of HYUNDAI MOTOR AMERICA

    Engine "ON" - AFLS's current data(CAN Data), refer to Fig 1.

  4. Is parameter displayed within specifications?

    YES 

    • Fault is intermittent caused by poor contact in the sensor's and/or AFLS ECU's connector or was repaired and AFLS ECU memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

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