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Home >> Hyundai >> 2017 >> Sonata Plug-In Hybrid >> Repair and Diagnosis >> External Pages >> Different car >> Section 279 (Engine Control System - 2.0L) >> Engine Coolant Temperature Sensor (ECTS) >> Repair Procedures >> Inspection

Repair Procedures: Inspection

WARNING: This page is about a different car, the 2017 Hyundai Santa Fe Sport. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn the ignition switch OFF.
  2. Remove the ECTS (Refer to ETC (Electronic Throttle Control) System "Removal").
  3. After immersing the thermistor of the sensor into engine coolant, measure resistance between the ECTS terminals 3 and 4.
    Fig 1: Measuring Resistance Between ECTS Terminals 3 And 4
    G12055392Courtesy of HYUNDAI MOTOR AMERICA
  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