Repair procedures: Removal

Switch "OFF" the ignition and disconnect the negative (-) battery terminal.
Remove the air cleaner assembly.
(Engine Mechanical System - "Air cleaner")
Remove the battery tray.
(Refer to Engine Electrical System - "BATTERY ")
Disconnect the ECM Connector (A).
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)

Fig 1: Disconnecting ECM Connector
Courtesy of KIA MOTORS AMERICA, INC.
Remove the ECM after loosening the mounting nuts (A) and screw (B).
ECM mounting bolt/nut :

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

Fig 2: Removing ECM Mounting Nuts And Screw

Courtesy of KIA MOTORS AMERICA, INC.