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Home >> Hyundai >> 2004 >> Accent Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (1 Of 2) >> DTC Troubleshooting Procedures >> DTC P0261: Cylinder 1-Injector Circuit Low >> 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 the "INJ duration" parameter on the scan tool.
    Fig 1: Scan Tool Display Diagnostic Trouble Codes And Current Data
    G03851834Courtesy of HYUNDAI MOTOR CO.
    NOTE: The Injector operating time should be checked in P or N range, warmed-up and idling condition.
    The data shown above is only for reference and there may be a little difference actually.

    Service standard

    In idling: 2.2~5.0ms

    2500 RPM: 2.0~5.0ms

  4. Is parameter displayed within specifications?

    YES 

    • 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 then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Go to "W/HARNESS INSPECTION" procedure.