Air Injection Vacuum Control Solenoid Valve

A.I.V Solenoid [1]
Energized engine temperature between 28° C (82° F) & 115° C (239° F)

EGR Solenoid
Energized engine temperature below 60° C (140° F)
Energized engine temperature above 115° C (239° F)

[1] During idle or deceleration only.