You will need: two keys «at 13», Phillips screwdriver.
1. Disconnect the air inlet pipe 1 from the throttle body and the hose 2 of the large branch of the crankcase ventilation from the fitting on the head cover, loosening the clamps of their fastening, and move the pipe aside along with the hose.
2. With the accelerator pedal fully depressed (an assistant should do it) check the throttle position - it should be fully open.
3. With the accelerator pedal released, the throttle should be fully closed. Otherwise, the drive needs to be adjusted.
4. To adjust the drive when the damper is not fully opening, loosen nut 2 and, turning nut 1, ensure that the damper opens completely, and when it does not fully close, loosen nut 1 and, turning nut 2, ensure that the damper closes completely. Then tighten the nut that was loose.