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]

Perform "ECM Neutral mode" procedure with GDS.
(Refer to Body Electrical System - "IMMOBILIZER SYSTEM ")
After finishing "ECM Neutral mode", perform TEACHING PROCEDURES with GDS.

(Refer to Body Electrical System - "IMMOBILIZER SYSTEM ")
[In the case of installing new ECM]
Perform TEACHING PROCEDURES with GDS.
(Refer to Body Electrical System - "IMMOBILIZER SYSTEM ")

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]

Perform "ECM Neutral mode" procedure with GDS.
(Refer to Body Electrical System - "IMMOBILIZER SYSTEM ")
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.

Turn ignition switch OFF and disconnect the negative (-) battery cable.
Remove the cover.
Disconnect the ECM connector (A).

Fig 1: Disconnecting ECM Connector
Courtesy of HYUNDAI MOTOR AMERICA
Remove the battery tray.
(Refer to Engine Electrical System - "BATTERY ")
Remove the ECM bracket installation bolts (A) and nut (B).

Fig 2: Removing ECM Bracket Installation Bolts And Nut
Courtesy of HYUNDAI MOTOR AMERICA
After removing the installation nuts (A), and screw (B), remove the ECM (C) from the bracket.

Fig 3: Removing ECM From Bracket

Courtesy of HYUNDAI MOTOR AMERICA