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Home >> Hyundai >> 2011 >> Sonata GLS, Automatic >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Airbag Diagnosis (Event #2) - Except HEV >> DTC B1324: WCS (Weight Classification System) Communication Error >> Inspection/Repair >> W/Harness Inspection >> Power Circuit Inspection

Power Circuit Inspection

  1. Check for an open or short circuit in the WCS Power Circuit.
    1. Disconnect WCS connector from wiring harness.
    2. Ignition "ON" & Engine "OFF".
    3. Measure voltage between terminal "supply voltage" and chassis ground.

      Specification:  Battery Voltage

      Fig 1: Measuring Voltage Between Terminal Supply Voltage And Chassis Ground
      G07366849Courtesy of HYUNDAI MOTOR AMERICA
    4. Is the measured voltage within specifications?

      YES 

      NO 

      • Substitute the SRSCM main harness or WCS Module and check for proper operation.

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