Kia Optima: Inspection - Engine Coolant Temperature Sensor (ECTS). Repair procedures - Engine Control System - Engine Control/Fuel System - Kia Optima TF 2011-2023 Service ManualKia Optima: 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”


Engine Coolant Temperature Sensor (ECTS). Repair procedures
...

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

See also:

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Circuit Diagram ...

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Replacement Rear Seat Belt Replacement • When installing the belt, make sure not to damage the retractor. ...

To keep locks from freezing
To keep the locks from freezing, squirt an approved de-icer fluid or glycerine into the key opening. If a lock is covered with ice, squirt it with an approved de-icing fluid to remove the ice. ...

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