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Home >> Hyundai >> 2004 >> Santa Fe Base, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (2.4L) (1 Of 2) >> DTC Troubleshooting Procedures >> DTC P0102: Mass Or Volume Air Flow Circuit Low Input >> Scantool Diagnostics >> Monitor Scantool Data
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Monitor Scantool Data

  1. Connect santool to Data Link Connector (DLC).
  2. Engine "ON" & Warm up the engine to normal operating temperature.
  3. Monitor the "MAFS VOLTAGE" parameter on scantool.

    Specification:

    VOLTAGE PARAMETER REFERENCE CHART

    MAFS Normal Parameter
    Approx. 700 RPM (Idle) Approx. 2000 RPM Approx. 3000 RPM
    Signal Voltage 0.6~1.0V 1.3~1.5V 1.7~1.9V
    Mass Air Flow 11.66~15.38 kg/h 28.41~35.38 kg/h 43.84~53.38 kg/h
    Fig 1: Screen Display - Sensor Data At Idle
    G07378360
    Fig 2: Screen Display - Sensor Data At 2000 Rpm
    G07378361
    Fig 3: Screen Display - Sensor Data At 3000 Rpm
    G07378362
    Fig 4: Screen Display - Sensor Data At Open
    G07378363
  4. Is the MAF sensor 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 go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO

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