Kia Optima: Removal - Engine Coolant Temperature Sensor (ECTS). Repair procedures - Engine Control System - Engine Control/Fuel System - Kia Optima TF 2011-2026 Service ManualKia Optima: Removal

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

3. Remove the spring 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.

4. Supplement the engine coolant (Refer to “Cooling System” in EM group).


Inspection
1. Turn the ignition switch OFF. 2. Remove the ECTS (Refer to "Removal"). 3. After immersing the thermistor of the sensor into engi ...

Installation
• Install the component with the specified torques. • Note that internal d ...

See also:

Heater & A/C Control Unit(Dual). Components and Components Location
Components Control Panel Connector pin function Connector PIN NO. Function Connector PIN NO. Function ...

ETC (Electronic Throttle Control) System. Troubleshooting
Fail-Safe Mode Item Fail-Safe ETC Motor Throttle valve stuck at 5° TPS TPS 1 fault ECM looks at TPS2 ...

Battery Recharging
Your vehicle has a maintenance-free, calciumbased battery. If the battery becomes discharged in a short time (because, for example, the headlights or interior lights were left on while the vehi ...

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