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Home >> Hyundai >> 2005 >> Santa Fe LX, AWD >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Fuel System (G6CU-GSL 3.5) >> Gasoline Engine Control System >> Engine Coolant Temperature Sensor (ECTS) >> Engine Coolant Temperature (ECT) Sensor >> Sensor Checking >> Using Multi-Meter
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Using Multi-Meter

  1. Remove the engine coolant temperature sensor from the intake manifold.
  2. With the temperature sensing portion of the engine coolant temperature sensor immersed in hot engine coolant, check the resistance.
    ENGINE COOLANT TEMPERATURE SENSOR SPECIFICATIONS

    Temperature [°C (°F)] Resistance (kΩ) Voltage (V)
    0 (32) 5.9 3.4 ~ 3.6
    20 (68) 2.5 2.5 ~ 2.7
    40 (104) 1.1 1.5 ~ 1.7
    80 (176) 0.3 0.5 ~ 0.7
    Fig 1: Checking Engine Coolant Temperature Sensor
    G03845279Courtesy of HYUNDAI MOTOR CO.
  3. If the resistance deviates from the standard value greatly, replace the sensor.
    Fig 2: Resistance/Temperature Graph
    G03845280Courtesy of HYUNDAI MOTOR CO.
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