Repair procedures: Cleaning

Remove the ETC module.
(Refer to "REMOVAL ".)
Keep the opening position of the ETC module plate with the fixing jig.

Fig 1: ETC Module Plate And Fixing Jig
Courtesy of HYUNDAI MOTOR AMERICA
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.

Fig 2: Throttle Body Contamination Area
Courtesy 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.
  
  Fig 3: Shaft Coating
  Courtesy of HYUNDAI MOTOR AMERICA
After cleaning it, re-install the ETC module and perform ETC module learning procedure.
(Refer to "ADJUSTMENT ".)