Kia Soul: Engine Coolant Temperature Sensor (ECTS). Description and Operation - Engine Control System - Engine Control / Fuel SystemKia Soul: Engine Coolant Temperature Sensor (ECTS). Description and Operation

Kia Soul 2014-2019 PS Service Manual / Engine Control / Fuel System / Engine Control System / Engine Coolant Temperature Sensor (ECTS). Description and Operation

Description

Engine Coolant Temperature Sensor (ECTS) is located in the engine coolant passage of the cylinder head for detecting the engine coolant temperature. The ECTS uses a thermistor that changes resistance with the temperature.
The electrical resistance of the ECTS decreases as the temperature increases, and increases as the temperature decreases. The reference +5V is supplied to the ECTS via a resistor in the ECM. That is, the resistor in the ECM and the thermistor in the ECTS are connected in series. When the resistance value of the thermistor in the ECTS changes according to the engine coolant temperature, the output voltage also changes.
During cold engine operation, the ECM increases the fuel injection duration and controls the ignition timing using the information of engine coolant temperature to avoid engine stalling and improve drivability.

    Intake Air Temperature Sensor (IATS). Repair procedures
    Inspection 1. Turn the ignition switch OFF. 2. Disconnect the IATS connector. 3. Measure resistance between th ...

    Engine Coolant Temperature Sensor (ECTS). Specifications
    Specification Temperature Resistance (kΩ) °C °F -40 -40 48.14 -20 -4 14.13 ~ 16.83 0 ...

    See also:

    Radiator Removal and Installation
    1. Disconnect the battery negative terminal. 2. Remove the air duct (A). 3. Separate the filler neck (A ...

    Rear Coil Spring Components
    1. Spring lower pad 2. Spring 3. Spring upper pad ...

    Manual transaxle shift indicator
    Type A Type B This indicator informs you which gear is desired while driving to save fuel. For example : Indicates that shifting up to the 3rd gear is desired (currently the shift lever is i ...