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Home >> Hyundai >> 2011 >> Sonata GLS, Automatic >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Airbag Diagnosis (Event #1) - Except HEV >> DTC B1322: WCS (Weight Classification System) ECU Defect >> Inspection/Repair >> WCS Reset

WCS Reset

  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
    G07366338Courtesy of HYUNDAI MOTOR CO.
    Fig 2: Scantool Display - Weight Classification System Select
    G07366339Courtesy of HYUNDAI MOTOR CO.
    Fig 3: Scantool Display - Weight Classification System Reset
    G07366340Courtesy of HYUNDAI MOTOR CO.
    Fig 4: Scantool Display - Weight Classification System Reset 1
    G07366341Courtesy of HYUNDAI MOTOR CO.

    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
    G07366342Courtesy of HYUNDAI MOTOR CO.
    Fig 6: Scantool Display - Weight Classification System Reset 3
    G07366343Courtesy of HYUNDAI MOTOR CO.
    Fig 7: Scantool Display - Weight Classification System Reset 4
    G07366344Courtesy of HYUNDAI MOTOR CO.
  8. If the 'WCS Reset' operation is finished successfully, you will see the following screen.
    Fig 8: Scantool Display - Normal Data Of WCS
    G07366345Courtesy of HYUNDAI MOTOR CO.
    Fig 9: Scantool Display - Normal Current Data (EMPTY Data)
    G07366346Courtesy of HYUNDAI MOTOR CO.

    Specification:  Approx. - 4.0 kg ~ + 4.0 kg

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

    YES 

    NO 

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