Toyota 22R-E - Page 429

To reduce HC and CO emissions, this system draws in air into exhaust ports to accelerate oxidation, using vacuum
generated by the exhaust pulsation in the exhaust manifold.
PULSED SECONDARY AIR
INJECTION (PAIR) SYSTEM
Engine Coolant
Temp.
Throttle Valve
Position
Between 1,200
– 3,200 rpm
Above 35C (95F)
Below 25
C (77F)
Below 1,000 rpm
Normal driving
Engine RPM
Deceleration
Condition
Idling
PAIR
VSV
OFF
OFF
–ENGINE EMISSION CONTROL SYSTEMS
EG2–152