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Home >> Hyundai >> 2011 >> Sonata GLS, Automatic >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Airbag Diagnosis (Event #2) - Except HEV >> DTC B1322: WCS (Weight Classification System) ECU Defect >> Inspection/Repair >> Component Inspection >> Notes

Component Inspection: Notes

  1. Ignition "ON" & Engine "OFF" and Using a scan tool, clear the DTC.
  2. Ignition "OFF".
  3. Disconnect the battery (-) terminal cable from the battery, and wait at least one minute.
  4. Disconnect WCS sensor connector.
  5. Substitute the WCS sensor or WCS Module and check for proper operation. (COMMENT: WHY ARE THERE TWO SUBSTITUTION OF WCS SENSOR/MODULE. ONE IN STEP #5 AND ONE ARE NOTED BELOW?)
  6. Is DTC present problem?

    YES 

    • Substitute a known-good SRSCM, and check for proper operation.

      If the problem is corrected, replace SRSCM and then go to "VERIFICATION OF VEHICLE REPAIR " procedure and Go to "WCS RESET " procedure.

    • Substitute the SRS main harness and check for proper operation.

      If the problem is corrected, and replace SRS main harness and then go to "VERIFICATION OF VEHICLE REPAIR " procedure and Go to "WCS RESET " procedure.

    NO 

    • Substitute a known-good WCS Sensor or known-good seat assembly or WCS Module, and check for proper operation.

      If the problem is corrected, replace WCS Sensor or seat assembly and Go to "WCS RESET " procedure.

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