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Home >> Hyundai >> 2019 >> Sonata Eco >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 1.6L (Except HEV) >> Engine Control Module (ECM) >> Repair Procedures >> Removal
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Repair Procedures: Removal

NOTE: When replacing the ECM, the vehicle equipped with immobilizer must be performed the procedure below.
[In The Case Of Installing Used ECM] 
  1. Perform "Neutral Mode" procedure with GDS. (Refer to "NEUTRALIZING OF ECM ")
  2. Insert the key and turn it to the IGN ON and OFF position. Then the ECM key register process is completed automatically.

[In The Case Of Installing New ECM] 
  • Insert the key and turn it to the IGN ON and OFF position.

Then the ECM key register process is completed automatically.
  1. Turn ignition switch OFF and disconnect the negative (-) battery cable.
  2. Disconnect the ECM Connector (A).
    G12637499Courtesy of HYUNDAI MOTOR AMERICA
  3. Remove the air cleaner assembly.

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

  4. Remove the mounting bolts (A) and nut (B), and then remove the ECM (C).
    G12637500Courtesy of HYUNDAI MOTOR AMERICA
  5. Remove the ECM (B) after removing 4 nuts (A) from the bracket.
    G12637501Courtesy of HYUNDAI MOTOR AMERICA
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