Kia Optima Hybrid: Engine Control System / Engine Coolant Temperature Sensor (ECTS) Schematic Diagrams

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual / Engine Control/Fuel System / Engine Control System / Engine Coolant Temperature Sensor (ECTS) Schematic Diagrams

Circuit Diagram

Engine Coolant Temperature Sensor (ECTS) Specifications

Specification TemperatureResistance (k?)°C°F-40-4048.14-20-414.13 ~ 16.830325.7920682.31 ~ 2.59401041.15601400.59801760.32 ...

Engine Coolant Temperature Sensor (ECTS) Repair procedures

Inspection 1. Turn the ignition switch OFF. 2. Disconnect the ECTS connector. 3. Remove the ECTS. 4. After immersing the thermistor of the sensor into engine coolant, measure resistance between the ECTS ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Description and Operation


Description Ignition timing is controlled by the electronic control ignition timing system. The standard reference ignition timing data for the engine operating conditions are preprogrammed in the memory of the ECM (Engine Control Module). The engine operating conditions (speed, load, warm-up condition, ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Repair procedures


Inspection Test the horn by connecting battery voltage to the 1 terminal and ground the 2 terminal. The horn should make a sound. If the horn fails to make a sound, replace it. Horn Relay Inspection 1. Remove the horn relay (A) from the engine room relay box. 2. There should be continuity between the ...

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