FixVault

Repair Procedures: Inspection

  1. Turn the ignition switch OFF.
  2. Remove the ECTS (Refer to "Removal" below).
  3. After immersing the thermistor of the sensor into engine coolant, measure resistance between the ECTS terminals 3 and 4.
    Fig 1: Engine Coolant Temperature Sensor Connector Terminals
    G12170398Courtesy of KIA MOTORS AMERICA, INC.
  4. Check that the resistance is within the specification.
    Temperature Resistance (kΩ)
    °C °F
    -40 -40 48.14
    -20 -4 14.13 ~ 16.83
    0 32 5.79
    20 68 2.31 ~ 2.59
    40 104 1.15
    60 140 0.59
    80 176 0.32