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Home >> Hyundai >> 2018 >> Elantra Eco >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 1.4L >> 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 NEUTRALIZING OF ECM ("Neutral Mode") procedure with GDS. (Refer to "IMMOBILIZER SYSTEM " in BE procedure)
  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).
    Fig 1: Locating ECM Connector
    G12020553Courtesy of HYUNDAI MOTOR AMERICA
  3. Remove the battery.

    (Refer to Engine Electrical System - "BATTERY ")

  4. Remove the installation bolts (A) and then remove the ECM (B).
    Fig 2: Locating ECM And Installation Bolts
    G12020554Courtesy of HYUNDAI MOTOR AMERICA
  5. Remove the ECM (B) after removing 4 nuts (A) from the bracket.
    Fig 3: Locating ECM And Nuts
    G12020555Courtesy of HYUNDAI MOTOR AMERICA
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