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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 98 (Airbag System Diagnosis (HEV)) >> DTC B1322: WCS (Weight Classification System) ECU Defect >> Component Inspection >> Notes

Component Inspection: Notes

WARNING: This page is about a different variant/trim than selected.
  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.
  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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