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Home >> Kia >> 2019 >> Optima S >> Repair and Diagnosis >> External Pages >> Different car >> Section 274 (Engine Control System (PHEV)) >> Engine Control Module (ECM) >> Repair Procedures >> Removal
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Repair Procedures: Removal

WARNING: This page is about a different car, the 2018 Kia Optima. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn the ignition switch OFF and disconnect the battery negative (-) terminal.
  2. Remove the air duct and air cleaner.

    (Refer to Engine Mechanical System - "AIR CLEANER ")

  3. Remove the reservoir mounting bolts (A).

    Reservoir mounting bolt: 

    3.9 - 5.9 N.m (0.4 - 0.6 kgf.m, 2.9 - 4.3 lb.ft)

    G12347243Courtesy of KIA MOTORS AMERICA, INC.
  4. Disconnect the ECM connector (A).
    G12347244Courtesy of KIA MOTORS AMERICA, INC.
  5. Remove the ECM bracket assembly after loosening the mounting nuts (A) and bolts (B).

    ECM bracket assembly mounting nut/bolt: 

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

    G12347245Courtesy of KIA MOTORS AMERICA, INC.
  6. Remove the ECM after loosening the mounting nuts (A).
G12347246Courtesy of KIA MOTORS AMERICA, INC.