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Home >> Genesis >> 2025 >> GV70 2.5T Advanced >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 2.5L >> ETC (Electronic Throttle Control) System >> Cleaning
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ETC (Electronic Throttle Control) System: Cleaning

  1. Remove the ETC Module.

    (Refer to Engine Control System - "REMOVAL ")

  2. Keep the ETC module plate (A) open.
    G16846903Courtesy of HYUNDAI MOTOR AMERICA
  3. Clean the contamination part of the throttle body with a soft and lint-free cloth dampened with cleanser to prevent foreign objects from going in.
    G16846904Courtesy of HYUNDAI MOTOR AMERICA
    NOTE:
    • Do not spray a cleanser directly to ETC module. Use a soft and lint-free cloth to clean carbon.
    • Be careful not to wipe out coating (A) around the shaft. If the coating is removed, poor idling control can be caused by excessive air leakage or foreign materials in the bearing of the shaft.
  4. After cleaning it, reinstall the ETC module and perform ETC module learning procedure.

    (Refer to Engine Control System - "INSTALLATION  and ADJUSTMENT ")