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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 98 (Airbag System Diagnosis (HEV)) >> DTC B1324: WCS (Weight Classification System) Communication Error >> W/Harness Inspection >> WCS Reset

WCS Reset

WARNING: This page is about a different variant/trim than selected.
  1. Ignition "OFF", connect scantool.
  2. Ignition "ON" & Engine "OFF", select Weight Classification System and select "WCS Reset" mode.
  3. You will see comments and current weight measured.
  4. Make sure the measure weight is not caused by occupant, tools or interference.
  5. Press "ENTER"
    Fig 1: Scantool Display - Select System
    G10600915Courtesy of HYUNDAI MOTOR AMERICA
    Fig 2: Scantool Display - Weight Classification System Select
    G10600916Courtesy of HYUNDAI MOTOR AMERICA
    Fig 3: Scantool Display - Weight Classification System Reset
    G10600917Courtesy of HYUNDAI MOTOR AMERICA
    Fig 4: Scantool Display - Weight Classification System Reset 1
    G10600918Courtesy of HYUNDAI MOTOR AMERICA

    Specification:  Approx. - 4.0 kg ~ + 4.0 kg

  6. The 'WCS Reset' operation will take 3~10 second.
  7. Make sure that there are no vibration or weight adding to the passenger front seat during the reset operation.
    Fig 5: Scantool Display - Weight Classification System Reset 2
    G10600919Courtesy of HYUNDAI MOTOR AMERICA
    Fig 6: Scantool Display - Weight Classification System Reset 3
    G10600920Courtesy of HYUNDAI MOTOR AMERICA
    Fig 7: Scantool Display - Weight Classification System Reset 4
    G10600921Courtesy of HYUNDAI MOTOR AMERICA
  8. If the 'WCS Reset' operation is finished successfully, you will see the following screen.
    Fig 8: Scantool Display - Normal Data Of WCS
    G10600922Courtesy of HYUNDAI MOTOR AMERICA
    Fig 9: Scantool Display - Normal Current Data (Empty Data)
    G10600923Courtesy of HYUNDAI MOTOR AMERICA

    Specification:  Approx. - 4.0 kg ~ + 4.0 kg

  9. Is the displayed parameter the same as the above 9 figures?

    YES 

    NO 

    • WCS reset isn't performed correctly.
    • Go to the applicable troubleshooting procedure.