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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 96 (Weight Classification System Diagnosis (HEV)) >> DTC B1644: CAN Time-Out ACU >> 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 view comments and current weight measured.
  4. Make sure the measure weight is caused by occupant or tools or interference.
  5. And then press "ENTER"
    Fig 1: Screen Display - Airbag Control Module Weight Classification
    G10603968Courtesy of HYUNDAI MOTOR AMERICA
    Fig 2: Screen Display - Weight Classification
    G10603969Courtesy of HYUNDAI MOTOR AMERICA
    Fig 3: Screen Display - System Identification
    G10603970Courtesy of HYUNDAI MOTOR AMERICA
    Fig 4: Screen Display - WCS Reset
    G10603971Courtesy 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 should not be vibration or weight adding to the passenger front seat.
    Fig 5: Screen Display - WCS Reset (1 Of 3)
    G10603972Courtesy of HYUNDAI MOTOR AMERICA
    Fig 6: Screen Display - WCS Reset (2 Of 3)
    G10603973Courtesy of HYUNDAI MOTOR AMERICA
    Fig 7: Screen Display - WCS Reset (3 Of 3)
    G10603974Courtesy of HYUNDAI MOTOR AMERICA
  8. If the 'WCS Reset' operation is finished successfully, you will view the following screen.
    Fig 8: Screen Display - WCS Reset
    G10603975Courtesy of HYUNDAI MOTOR AMERICA
    Fig 9: Screen Display - Current Data
    G10603976Courtesy of HYUNDAI MOTOR AMERICA
  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.