Hyundai Sonata: Engine Coolant Temperature Sensor (ECTS). Repair procedures - Engine Control System - Engine Control/Fuel SystemHyundai Sonata: Engine Coolant Temperature Sensor (ECTS). Repair procedures

Inspection

1.
Turn the ignition switch OFF.
2.
Remove the ECTS (Refer to "Removal").
3.
After immersing the thermistor of the sensor into engine coolant, measure resistance between the ECTS terminals 3 and 4.
4.
Check that the resistance is within the specification.

Specification: Refer to “Specification”


Removal

1.
Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2.
Disconnect the engine coolant temperature sensor connector (A).

3.
Remove the spring clip (A), and then pull the sensor from the water temperature control assembly.

Note that engine coolant may be flowed out from the water temperature control assembly when removing the sensor.
4.
Supplement the engine coolant (Refer to “Cooling System” in EM group).

Installation

Install the component with the specified torques.
Note that internal damage may occur when the component is dropped. If the component has been dropped, inspect before installing.
Apply the engine coolant to the O-ring.
Insert the sensor in the installation hole and be careful not to damage.
1.
Installation is reverse of removal.

    Crankshaft Position Sensor (CKPS). Description and Operation
    Description Crankshaft Position Sensor (CKPS) detects the crankshaft position and is one of the most important sensors of the If there is no CKPS signal input, the engine may stop because of ...

    See also:

    Preparation Of Tools And Measuring Equipment
    Be sure that all necessary tools and measuring equipment are available starting work. Special Tools Use special tools when they are required. Removal Of Parts First find th ...

    Manual heating and air conditioning
    The heating and cooling system can be controlled manually by pressing buttons or turning knob(s) other than the AUTO button. In this case, the system works sequentially according to the order of b ...

    Trip Switch. Repair procedures
    Inspection 1. Check the audio remote control switch for resistance between No.3 and No.5 terminals in each switch position. Switch ...