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Home >> Kia >> 2020 >> Optima SX >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 2.0L (Except HEV) >> Engine Control Module (ECM) >> Repair Procedures >> Removal
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Repair Procedures: Removal

  1. Turn ignition switch OFF and disconnect the negative (-) battery terminal.
  2. Remove the battery.

    (Refer to "BATTERY ")

  3. Remove the air cleaner assembly.

    (Refer to "AIR CLEANER ")

  4. Remove the battery tray.

    (Refer to "BATTERY ")

  5. Disconnect the ECM Connector (A).
  6. Remove the ECM bracket assembly (B) after loosening the mounting bolt and nuts,

    ECM Bracket Mounting Bolt/Nut: 

    9.8 - 11.8 N.m (1.0 - 1.2 kgf.m, 7.2 - 8.7 lb.ft)

    G12922251Courtesy of KIA MOTORS AMERICA, INC.
  7. Remove the ECM after loosening the mounting nuts (A).
G12922252Courtesy of KIA MOTORS AMERICA, INC.