Engine Control System/Fuel System
Engine Coolant Temperature Sensor (ECTS) Repair Procedures
In this manual: Engine Control System/Fuel System
11steps
~66min
4/5difficulty
Done 0 of 11
Inspection
- Turn the ignition off.
- Remove the ECTS. (Refer to Removal)
- With the sensor thermistor immersed in engine coolant, measure the resistance between ECTS terminals 3 and 4.
- Make sure the resistance is within specification.
Specification: Refer to "Specifications"
Removal
- Turn the ignition switch OFF and disconnect the negative (-) battery terminal.
- Remove the air cleaner assembly and air intake hose. (Refer to Engine Mechanical System - "Air Cleaner")
- Remove the engine wiring.

- Remove the vacuum hose bracket bolts (A) and create clearance by moving the bracket.
- Disconnect the engine coolant temperature sensor connector (B).
- Remove the engine coolant temperature sensor (C).

- Refill the engine coolant (see Engine Mechanical System: Engine Coolant).
Installation
- 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.
Was this page helpful?