Kia Optima: Inspection - Engine Coolant Temperature Sensor (ECTS). Repair procedures - Engine Control System - Engine Control/Fuel System - Kia Optima TF 2011-2026 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
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Removal
1. Turn the ignition switch OFF and disconnect the battery negative (-) cable. 2. Disconnect the engine coolant temperature sensor connector (A). ...

See also:

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

Changing the Manual Transaxle Oil
1. Raise and suitably support the vehicle. 2. Remove the drain plug on the bottom of the transaxle. 3. After the oil has drained completely, install a new washer on the plug, reinstall the drain p ...

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