Kia Sportage: Engine Coolant Temperature Sensor (ECTS): Description and Operation - Engine Control System - Engine Control / Fuel System - Kia Sportage SL Service & Repair ManualKia Sportage: Engine Coolant Temperature Sensor (ECTS): Description and Operation

Third generation SL (20102016) / Kia Sportage SL Service & Repair 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 the IATS terminals 3 and 4. 4. Check that the resistance is within the speci ...

Engine Coolant Temperature Sensor (ECTS): Specifications
Specification TemperatureResistance (k?)CF-40-4048.14-20-414.13 ~ 16.830325.7920682.31 ~ 2.59401041.15601400.59801760.32 ...

Other Information:

Battery: Repair procedures
Removal and Installation 1. Remove the battery. (1) Disconnect the battery negative terminal (A). Tightening torque : 4.0 ~ 6.0N.m (0.4 ~ 0.6kgf.m, 3.0 ~ 4.4lb-ft) (2) Disconnect the ...

ECOMINDER indicator
Active ECO system This indicator light illuminates: When the Active ECO button is pressed the ECOMINDER indicator (green) will illuminate to show that the Active ECO is operating. For more det ...

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