Kia Optima: Removal - Engine Control Module (ECM). Repair procedures - Engine Control System - Engine Control/Fuel System - Kia Optima TF 2011-2019 Service ManualKia Optima: Removal

In the case of the vehicle equipped with immobilizer or button engine start system, perform "Key Teaching" procedure together (Refer to "Immobilizer" or "Button Engine Start System in BE group).
1. Turn ignition switch OFF and disconnect the negative (-) battery cable.
2. Disconnect the ECM Connector (A).

3. Remove the air cleaner assembly (Refer to "Intake And Exhaust System" in EM group).
4. Remove the mounting bolts (A) and nut (B), and then remove the ECM assembly (C).

5. Remove the installation nuts (A) and screw (B), and then remove the ECM (C) from the bracket.


Engine Control Module (ECM). Repair procedures
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Installation
In the case of the vehicle equipped with immobilizer or button engine start system, perform "Key Teaching" procedure together ...

See also:

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Smart key functions
Carrying the smart key, you may lock and unlock the vehicle doors. Also, you may start the engine. Refer to the following, for more details. Locking Pressing the button of the front outside door ...

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