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Home >> Hyundai >> 2004 >> Accent Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) >> DTC Troubleshooting Procedures >> DTC P0463: Fuel Level Sensor High Input >> Monitor DTC Status
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Monitor DTC Status

This is the inspection procedure to determine whether it is present DTC or memoried one by monitoring the current signal or by using the function of oscilloscope with Hi-scan pro.

  1. Connect scan tool to Data Link Connector (DLC).
  2. Warm up the engine to normal operating temperature.
  3. Monitor DTC (Diagnostics Trouble Code) on the scan tool.
    Fig 1: Monitoring DTC (Diagnostics Trouble Code) On Scan Tool
    G03851971Courtesy of HYUNDAI MOTOR CO.

    Service standard

    FULL: 0.2~0.7V

    EMPTY: 4.5~5.2V

  4. Is the same DTC displayed again?

    YES 

    • Go to "W/HARNESS INSPECTION" procedure.

    NO 

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