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Home >> Kia >> 2024 >> Niro EX >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (HEV) >> Engine Coolant Temperature Sensor (ECTS) >> On Vehicle Inspection >> Component Inspection
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Component Inspection

WARNING:
  • When working on the high voltage system, the work should be performed by technicians who have completed the relevant training. A lack of understanding of the high voltage system can lead to serious accidents due to electric shock or short circuit.
  • When working on the high voltage system or related components, be sure to observe and be aware of the "HIGH VOLTAGE SYSTEM GENERAL SAFETY INFORMATION AND CAUTION ". If not, it may cause serious accidents due to electric shock or short circuit.
  • When working on high voltage system, make sure to check the Personal Protective Equipment (PPE) and high voltage shut-off procedure.
  1. Check the coolant temperature by using the KDS.

    (Data Analysis → System Selection → Engine)

  2. Measure the Engine Coolant Temperature Sensor (ECTS) resistance.
  3. 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 1.148
    60 140 0.5865
    80 176 0.3222
    100 212 0.1884
    110 230 0.1469 - 0.1473
    120 248 0.1163