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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 P2402 Evaporative Emission System Leak Detection Pump Control Circuit High >> Monitor DTC Status

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. EVAP. Leakage Test

    Evaporative Emissions Systems (EVAP) Leak Tests can be run by the Scan Tool. The tests are automated and provide either a pass-fail result or directions to check for DTCs.

    Fig 1: Displaying EVAP Test
    G03852102Courtesy of HYUNDAI MOTOR CO.
    1. Connect scan tool to Data Link Connector (DLC).
    2. Warm up the engine to normal operating temperature.
    3. Perform "07 EVAP. LEAKAGE TEST" mode
    4. Is DTC P2402 set again?

      YES 

      • Go to "W/HARNESS INSPECTION" procedure.

      NO 

      • Fault is intermittent caused by poor contact in the sensor's 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 go to "VERIFICATION OF VEHICLE REPAIR " procedure
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