Repair Procedures: Removal

CAUTION: When replacing the ECM, the vehicle equipped with the immobilizer must have procedure performed as below.
[In the case of installing used ECM]

Perform "ECM Neutral mode" procedure with GDS.
(Refer to IMMOBILIZER SYSTEM )
After finishing "ECM Neutral mode", perform "Key teaching" procedure with GDS.

(Refer to IMMOBILIZER SYSTEM )
[In the case of installing new ECM]
Perform "Key teaching" procedure with GDS.
(Refer to IMMOBILIZER SYSTEM )

CAUTION: When replacing the ECM, the vehicle equipped with the smart key system (Button start) must have procedure performed as below.
[In the case of installing used ECM]

Perform "ECM Neutral mode" procedure with GDS.
(Refer to SMART KEY 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.
Disconnect the ECM Connector (A).

Fig 1: Identifying ECM Connector
Courtesy of HYUNDAI MOTOR AMERICA
Remove the battery.
(Refer to Engine Electrical System - "BATTERY ")
Remove the mounting bolts (A) and nut (B), and then remove the ECM bracket assembly (C).

Fig 2: Identifying ECM Bracket Assembly Mounting Bolts And Nut
Courtesy of HYUNDAI MOTOR AMERICA
Remove the mounting nuts (A), and then remove the ECM from the ECM (B) bracket assembly.

Fig 3: Identifying ECM Bracket Assembly Mounting Nuts
Courtesy of HYUNDAI MOTOR AMERICA