LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hyundai >> 2009 >> Sonata GLS, 3.3 F >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Fuel System) - 3.3L >> Engine Control Module (ECM) >> Replacement
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Engine Control Module (ECM): Replacement

  1. Turn ignition switch off.
  2. Disconnect the battery (-) cable from the battery.
  3. Disconnect the ECM connectors (A).
    Fig 1: Identifying ECM Connectors
    G06107844Courtesy of HYUNDAI MOTOR CO.
  4. Unscrew the ECM mounting bolts (B) and remove the ECM from the air cleaner assembly.
  5. Install new ECM

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