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Home >> Kia >> 2011 >> Optima LX, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 2.4L >> Engine Control Module (ECM) >> Repair Procedures >> Removal
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Repair Procedures: Removal

NOTE: In the case of the vehicle equipped with immobilizer or button engine start system, perform "Key Teaching" procedure together. Refer to TEACHING PROCEDURES .
  1. Turn ignition switch OFF and disconnect the negative (-) battery cable.
  2. Disconnect the ECM Connector (A).
    Fig 1: ECM Connector
    G07381636Courtesy of KIA MOTORS AMERICA, INC.
  3. Remove the air cleaner assembly. Refer to INTAKE AND EXHAUST SYSTEM .
  4. Remove the mounting bolts (A) and nut (B), and then remove the ECM (C).
Fig 2: ECM, Mounting Bolts & Nut
G07381637Courtesy of KIA MOTORS AMERICA, INC.