Engine Control System/Fuel System

Engine Coolant Temperature Sensor (ECTS) Repair Procedures

11steps
~66min
4/5difficulty
Done 0 of 11

Inspection

  1. Turn the ignition off.
  2. Remove the ECTS. (Refer to Removal)
  3. With the sensor thermistor immersed in engine coolant, measure the resistance between ECTS terminals 3 and 4.
  4. Make sure the resistance is within specification.

    Specification: Refer to "Specifications"

Removal

  1. Turn the ignition switch OFF and disconnect the negative (-) battery terminal.
  2. Remove the air cleaner assembly and air intake hose. (Refer to Engine Mechanical System - "Air Cleaner")
  3. Remove the engine wiring.
  4. Remove the vacuum hose bracket bolts (A) and create clearance by moving the bracket.
  5. Disconnect the engine coolant temperature sensor connector (B).
  6. Remove the engine coolant temperature sensor (C).
  7. Refill the engine coolant (see Engine Mechanical System: Engine Coolant).

Installation

  1. Install in the reverse order of removal.

Test yourself

A quick Hyundai Kona quiz: every answer comes with an explanation and a link to the manual page.