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Home >> Hyundai >> 2016 >> Azera Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P0506: Idle Air Control System-RPM Lower than Expected >> System Inspection
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System Inspection

■ Check intake system for blockage 

  1. Visually/physically inspect the following items:
    • Air cleaner filter element for excessive dirt or for any foreign objects
    • Hoses of intake system for blockage
    • Throttle body inlet for damage or for any foreign objects
    • Throttle plate for carbon deposits or damage
  2. Has a problem been found in any of the above areas?

    YES 

    NO 

    • Clear DTC and Test-drive under enable conditions listed above. After the test, If this DTC is set, go to "SCANTOOL DIAGNOSTICS " procedure. If not, troubleshooting is completed.