Kia Optima: Engine Control Module (ECM). Repair procedures

Circuit Diagram

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Removal

In the case of the vehicle equipped with immobilizer or button engine start system, perform "Key Teaching" procedure together ...

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Installation
1. Hold the timing chain, and place the intake CVVT & camshaft assembly. 2. Place the exhaust CVVT & camshaft assembly after releasing the ratchet of the timi ...

Replacement
1. Disconnect the negative (-) battery terminal. 2. Using the screwdriver, remove the side cover (A). 3. Loosen the mounting screw and the ...

Reassembly
1. Install the hub bearing to the knuckle assembly. (1) Lay the knuckle assembly (A) on press. (2) Lay a new hub bearing upon the k ...