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Home >> Hyundai >> 2009 >> Sonata GLS, 3.3 F >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> SRS Control Module (Restraints) >> Troubleshooting for DTC >> B1324 WCS (Weight Classification System) Communication Error >> Power Circuit Inspection

Power Circuit Inspection

Check for an open or short circuit in the WCS Power Circuit.

  1. Disconnect WCS connector from wiring harness.
  2. Ignition "ON" & Engine "OFF".
    1. Measure voltage between terminal 2 and chassis ground.
    2. Measure voltage between terminal 3 and chassis ground.

      •Specification : Battery V

      Fig 1: Measuring Battery Voltage Between SRS Control Module And Ground
      G06110478Courtesy of HYUNDAI MOTOR CO.
    3. Is the measured voltage within specifications?

      YES 

      NO 

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

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