Air Injection Vacuum Control Solenoid Valve

A.I.V Solenoid
Energized [1] 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 105° C (221° F)

[1] During idle or deceleration only.