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Home >> Hyundai >> 2021 >> Accent Limited >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System >> 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 as below.

    [In the case of installing used ECM] 

    1. Perform "ECM neutralization mode" procedure with GDS.

      (Refer to Body Electrical System - "IMMOBILIZER SYSTEM ")

    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. Remove the battery.

    (Refer to Engine Electrical System - "BATTERY ")

  3. Disconnect the ECM connector (A).
    G14076884Courtesy of HYUNDAI MOTOR AMERICA
  4. Remove the bracket installation bolts & nut (A), and then remove the ECM (B).

    ECM Installation bolt & nut: 

    7.8 ~ 11.8 N.m (0.8 ~ 1.2 kgf.m, 5.8 ~ 8.7 lb-ft)

    G14076885Courtesy of HYUNDAI MOTOR AMERICA
  5. Remove the installation nuts (A), and then remove the ECM (B) from the bracket.

    ECM Bracket installation bolt: 

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

    G14076886Courtesy of HYUNDAI MOTOR AMERICA