Engine Control System/Fuel System

Engine Coolant Temperature Sensor (ECTS) Repair Procedures

7steps
~42min
2/5difficulty
02040608010039.229N·mlb·ft
Tightening torque found on this page
Done 0 of 7

Inspection

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

    Specification: Refer to "Specifications"

Removal

  1. Turn the ignition switch OFF and disconnect the negative (-) battery cable.
  2. Disconnect the engine coolant temperature sensor connector (A).
  3. Refill the engine coolant. (Refer to Engine Control System - "Cooling System").

Installation

  • Install the component with the specified torque.
  • Note that internal damage may occur if the component is dropped. If the component has been dropped, inspect it before installation.
  • Apply engine coolant to the O-ring.
  • Insert the sensor into the installation hole, being careful not to damage it.
  1. Install in the reverse order of removal. Engine coolant temperature sensor installation: 29.4 ~ 39 N·m

Test yourself

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