Kia Optima Hybrid: Engine Control System / Engine Coolant Temperature Sensor (ECTS) Repair procedures

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual / Engine Control/Fuel System / Engine Control System / 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 terminals 3 and 4.
5.
Check that the resistance is within the specification.
Temperature
Resistance (k?)
°C
°F
-40
-40
48.14
-20
-4
14.13 ~ 16.83
0
32
5.79
20
68
2.31 ~ 2.59
40
104
1.15
60
140
0.59
80
176
0.32

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

3.
Remove the fixing 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.
Installation
   
Install the component with the specified torques.
Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.
Apply the engine coolant to the O-ring.
Insert the sensor in the installation hole and be careful not to damage when installation.
1.
Install in the reverse order of removal.
Engine Coolant Temperature Sensor (ECTS) Schematic Diagrams

Circuit Diagram ...

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 engine control system. If there is no CKPS signal input, the engine may stop ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Heater & A/C Control Unit(Dual) Repair procedures


Self Diagnosis 1. Self-diagnosis process 2. How to read self-diagnostic code After the display panel flickers three times every 0.5 second, the corresponding fault code flickers on the setup temperature display panel every 0.5 second and will show two figures. Codes are displayed in numerical format ...

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


Replacement 1. Remove the fuel pump (Refer to “Fuel Pump” in this group). 2. Disconnect the electric pump wiring connector (A) and the fuel sender connector (B). 3. Remove the cushion pipe fixing clip (C), and then separate the head assembly (D). 4. Remove the return nozzle (B) after releasing the ...

© 2022 Copyright www.koptimatfhev.com