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Home >> Hyundai >> 2007 >> Sonata GLS, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (2.4L) (2 Of 2) >> DTC Troubleshooting Procedures >> DTC P0506 Idle Air Control System-Rpm Lower Than Expected >> Monitor DTC Status >> Notes

Monitor DTC Status: Notes

NOTE: If any MAFS or ETC (TPS, ETC MOTOR or APS)codes are present, do ALL REPAIRS associated with them before proceeding with this troubleshooting tree.
  1. Connect scan tool and select "Diagnostic Trouble Codes (DTCs)" mode
  2. Press F4 (DTAL) to select DTC information from the DTCs menu
  3. Confirm that "DTC Readiness Flag" indicates "Complete". If not, drive the vehicle within conditions noted in the freeze frame data or enable conditions
  4. Read "DTC Status" parameter
    Fig 1: Scantool Display - DTC Status Parameter
    G04890887Courtesy of HYUNDAI MOTOR CO.
  5. Is parameter displayed "History (Not Present) fault"?
    NOTE:
    • History (Not Present) fault: DTC occurred but has been cleared.
    • Present fault: DTC is occurring at present time.

    YES 

    • Fault is intermittent caused by poor contact in the sensor's and/or ECM's connector or was repaired and ECM memory was not cleared. Thoroughly check connectors for loose or poor connections, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure

    NO 

    • Go to next step as below
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