1B-3 Emission Control Devices:
Exhaust Emission Control System Description
B822H11201003
The exhaust emission control system is composed of the PAIR system, exhaust control system, O2 sensor and
catalyst system. The fresh air is drawn into the exhaust port through the PAIR control solenoid valve and PAIR reed
valve. The PAIR control solenoid valve is operated by the ECM, and the fresh air flow is controlled according to the
TPS, ECTS, IATS, IAPS and CKPS. The exhaust gas flow is performed by the exhaust control valve actuator which is
controlled by the ECM by changing the exhaust control valve angle.
6
2
5
1
4
3
2
9
9
11
8
“A”
“B”
7
10
10
I822H1120031-03
1. PAIR control solenoid valve (For E-02, 19, 24, 33)
6. ECM
11. Exhaust control valve
2. PAIR control solenoid valve (For E-03, 28)
7. Exhaust control valve actuator
“A”: Fresh air
3. PAIR reed valve
8. Exhaust control valve pulley
“B”: Exhaust gas
4. Air cleaner chamber
9. O2 sensor (For E-02, 19, 24, 33)
5. Fuel injector
10. Catalyst
Содержание VLR1800
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