Kia 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:

Removal
1. Loosen the windshield wiper arm nut (B) after removing a wiper cap (A). 2. Remove the windshield wiper arm and blade (A). 3. If nec ...

Installation
Smart Key Unit 1. Install the smart key unit. 2. Install the smart key unit mounting nuts and bolts and connector. 3. Install the glove box housing. ...

Owner’s responsibility
✽ NOTICE Maintenance Service and Record Retention are the owner's responsibility. You should retain documents that show proper maintenance has been performed on your vehicle in accordan ...

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