LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hyundai >> 2025 >> Elantra N Line >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 1.6L (Except HEV) >> Engine Control Module (ECM) >> Repair Procedures >> Adjustment >> ECM neutralization procedure (With immobilizer)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

ECM neutralization procedure (With immobilizer)

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 diagnostic tool. (Refer to Body Electrical System - "IMMOBILIZER SYSTEM ")
  2. After finishing "ECM Neutral mode", perform "Key teaching" procedure with diagnostic tool. (Refer to Body Electrical System - "IMMOBILIZER SYSTEM ")

[In the case of installing new ECM] 

- Perform "Key teaching" procedure with diagnostic tool. (Refer to Body Electrical System - "IMMOBILIZER SYSTEM ")

scientia non olet · About LEMON Manuals