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Home >> Hyundai >> 2007 >> Entourage GLS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) >> DTC Troubleshooting Procedures >> DTC P0455 EVAP. Emission System-Leak Detected (Large Leak) >> Monitor SCANTOOL Data

Monitor SCANTOOL Data

  1. Check DTC Status
    1. Connect scantool to Data Link Connector (DLC).
    2. IG "ON".
    3. Select "Diagnostic Trouble Codes (DTCs)" mode, and then Press F4 (DTAL) to check DTC's information from the DTCs menu
    4. Read "DTC Status" parameter.
      Fig 1: Scantool Display - DTC Status" Parameter
      G05321867Courtesy of HYUNDAI MOTOR CO.
    5. Is parameter displayed "Present fault"?

      YES 

      • Check the Fuel Filler Cap is installed. If not, after closing it, go to " 2EVAP. Leakage Test" as below with scan tool.

      NO 

      • Go to " 2EVAP. Leakage Test" as below with scan tool.
  2. EVAP. Leakage Test
    1. Cool the vehicle down for about two hours to prevent misdiagnosis.
    2. Install scan tool and IG "ON" and then clear DTC.
    3. Select and press "EVAP.LEAKAGE TEST" mode in the scan tool.
    4. Check if the vehicle is under test conditions as below [Fig 1] See Fig 2.
    5. If OK, Start engine and restart Evap.Leakage Test again [Fig 2] See Fig 2.
      Fig 2: Scantool Display - EVAP Leakage Test
      G05322070Courtesy of HYUNDAI MOTOR CO.
    6. Is the same DTC set after the Evap.leakage test with scan tool ?

      YES 

      NO 

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