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Home >> Hyundai >> 2007 >> Sonata SE >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3.3L) (2 Of 2) >> DTC Troubleshooting Procedures >> DTC P0506 Idle Air Control System-Rpm Lower Than Expected >> Monitor SCANTOOL Data

Monitor SCANTOOL Data

  1. Ignition "OFF"
  2. Connect Scantool and Engine "ON"
  3. Monitor items which affect idle rpm on scantool.
    Fig 1: Diagnosis Function Screen Display - MAF
    G04891462Courtesy of HYUNDAI MOTOR CO.
  4. Are those items on scantool displayed correctly ?

    YES 

    NO 

    • Check DTCs related to Mass airflow sensor (MAF), Injectors, Throttle position sensor (TPS), Purge control solenoid valve (PCSV), Acceleration position sensor (APS), Heated oxygen sensors (HO2S), ETS system
    • Perform all repairs associated with those codes and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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