1. PAIR control solenoid valve; 2. PAIR reed valve; 3. Air cleaner box; 4. Fuel injector; 5. ECM; 6. Exhaust control valve actuator; 7. Exhaust control valve; 8. HO2 sensor (For E-02, 19, 24); 9. Three-way catalyst (For E-02, 19); А. FRESH AIR; В. EXHAUST GAS