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Home >> Hyundai >> 2011 >> Sonata GLS, Automatic >> Repair and Diagnosis >> Restraints >> Air Bag, SRS >> Airbag Diagnosis (Event #1) - Except HEV >> DTC B1473: Inflatable Curtain Airbag Front-Driver Resistance too High >> Inspection/Repair >> W/Harness Inspection >> Main harness Circuit Inspection

Main harness Circuit Inspection

  1. Ignition "OFF".
  2. Disconnect the battery (-) terminal cable from the battery and wait at least one minutes.
  3. Disconnect DCAB connector and SRSCM main harness connector.
  4. Measure resistance between terminal "Low" and "High" of the DCAB harness connector.

    Specification:  approx. 1 Ω below

    Fig 1: Measuring Resistance Between Terminal Low And High Of DCAB Harness Connector
    G07366575Courtesy of HYUNDAI MOTOR CO.
  5. Is the measured resistance within specifications?

    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.

    NO 

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

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