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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 P0117: Engine Coolant Temperature Circuit Low Input >> Scantool Diagnostics >> Monitor Scantool Data
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Monitor Scantool Data

  1. Engine "ON".
  2. Monitor Engine Coolant Temperature Sensor parameter on Current data.
  3. After the engine has been starting, Check that ECT rises steadly to about 90°C (194°F) and ECT stabilizes when th thermostat opens.

    Specification: ECT rises steadly to about 90°C (194°F) and ECT stabilizes when the thermostat opens. (Error range 2~3%)

    TEMPERATURE AND RESISTANCE REFERENCE CHART

    Temperature (°C/°F) -30/-22 -20/-4 0/32 20/68 40/140 60/140 80/176 100/212 110/230
    Resistance (kΩ) 26.74 15.48 5.79 2.45 1.148 0.587 0.322 0.188 0.147
    Voltage (V) 4.39 4.17 3.48 2.56 1.68 1.04 0.63 0.39 0.31
    Fig 1: Screen Display - Sensor Data Normal Status
    G07378438
    Fig 2: Screen Display - Open In Signal Circuit
    G07378439
    Fig 3: Screen Display - Short Circuit To Ground
    G07378440
  4. Is the measured ECTS 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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