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Home >> Hyundai >> 2017 >> Ioniq Hybrid SEL >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (HEV) >> Engine Coolant Temperature Sensor (ECTS) >> Repair Procedures >> Removal >> Engine Coolant Temperature Sensor (ECTS) [Water Temperature Control Assembly]
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Engine Coolant Temperature Sensor (ECTS) [Water Temperature Control Assembly]

  1. Turn ignition switch OFF and disconnect the negative (-) battery cable.
  2. Remove the air cleaner assembly

    (Refer to Engine Mechanical System - "AIR CLEANER ")

  3. Remove the purge control solenoid valve.

    (Refer to Engine Control System - "PURGE CONTROL SOLENOID VALVE (PCSV) ")

  4. Disconnect the engine coolant temperature sensor connector (A).
  5. Remove the engine coolant temperature sensor after removing the fixing pin (B).
    Fig 1: Disconnecting Engine Coolant Temperature Sensor Connector
    G12111411Courtesy of HYUNDAI MOTOR AMERICA
    NOTE:
    • Note that engine coolant may flow out from the water temperature control assembly when removing the sensor.
  6. Fill with engine coolant.

    (Refer to Engine Mechanical System - "COOLANT ")