Air Injection Vacuum Control Solenoid Valve

AIV Solenoid
Energized engine temperature between 28° C (82° F) & 115° C (239° F) [1]

EGR Solenoid
Energized engine temperature below 60° C (140° F)
Energized engine temperature above 105° C (221° F)

Pressure Regulator Solenoid
Energized engine temperature above 90° C (194° F) [2]

SCV Solenoid
M/T
Energized below 1800 rpm [3]
A/T
Energized below 1500 rpm [3]


[1] During idle or deceleration only.
[2] For approx. 3 minutes after starting.
[3] Only when the idle switch is closed.