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Home >> Hyundai >> 2012 >> Genesis 5.0 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 5.0L >> Engine Control Module (ECM) >> Repair Procedures >> Removal
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Repair Procedures: Removal

CAUTION: When replacing the ECM, the vehicle equipped with the immobilizer must be performed procedure as below.
[In the case of installing used ECM]
  1. Perform "ECM Neutral mode" procedure with GDS. (Refer to "Immobilizer" in BE group)
  2. After finishing "ECM Neutral mode", perform "TEACHING PROCEDURES " procedure with GDS.

[In the case of installing new ECM]
Perform "TEACHING PROCEDURES " procedure with GDS.
CAUTION: When replacing the ECM, the vehicle equipped with the smart key system (Button start) must be performed procedure as below.
[In the case of installing used ECM]
  1. Perform "ECM Neutral mode" procedure with GDS. (Refer to "Smart key" in BE group)
  2. After finishing "ECM Neutral mode", insert the key (or press the start button) and turn it to the IGN ON and OFF position. Then the ECM learns the smart key information automatically.

[In the case of installing new ECM]
Insert the key (or press the start button) and turn it to the IGN ON and OFF position. Then the ECM learns the smart key information automatically.
  1. Turn ignition switch OFF and disconnect the negative (-) battery cable.
  2. Remove the ECM & TCM cover (A).
    Fig 1: Identifying ECM & TCM Cover
    G08822835Courtesy of HYUNDAI MOTOR AMERICA
  3. Disconnect the front harness (A), and then disconnect the ECM connector (B) and the TCM connector (C).
  4. Remove the harness installation nut (D) and ground bolt (E), and then remove the harness (F).
  5. Remove the ECM & TCM bracket installation bolts (G) and nut (H).
    Fig 2: Identifying ECM & TCM Connector, Front Harness, Bracket Installation Bolt And Nut
    G08822836Courtesy of HYUNDAI MOTOR AMERICA
    Fig 3: Identifying Harness, Installation Nuts And Ground Bolt
    G08822837Courtesy of HYUNDAI MOTOR AMERICA
  6. After removing the installation nuts (A), remove the TCM (B) from the bracket
    Fig 4: Identifying TCM And Installation Nuts
    G08822838Courtesy of HYUNDAI MOTOR AMERICA
  7. After removing the installation nuts (A), remove the ECM (B) from the bracket
    Fig 5: Identifying ECM And Installation Nuts
    G08822839Courtesy of HYUNDAI MOTOR AMERICA


CAUTION: When replacing the ECM, the vehicle equipped with the immobilizer must be performed procedure as below.
[In the case of installing used ECM]
  1. Perform "ECM Neutral mode" procedure with GDS. (Refer to "Immobilizer" in BE group)
  2. After finishing "ECM Neutral mode", perform "TEACHING PROCEDURES " procedure with GDS.

[In the case of installing new ECM]
Perform "TEACHING PROCEDURES " procedure with GDS.
CAUTION: When replacing the ECM, the vehicle equipped with the smart key system (Button start) must be performed procedure as below.
[In the case of installing used ECM]
  1. Perform "ECM Neutral mode" procedure with GDS. (Refer to "Smart key" in BE group)
  2. After finishing "ECM Neutral mode", insert the key (or press the start button) and turn it to the IGN ON and OFF position. Then the ECM learns the smart key information automatically.

[In the case of installing new ECM]
Insert the key (or press the start button) and turn it to the IGN ON and OFF position. Then the ECM learns the smart key information automatically.
  1. Installation is reverse of removal.

    ECM installation bolt/nut: 

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

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