Air Injection Vacuum Control Solenoid Valve: Description and Operation

Vacuum Control Solenoid:

PULSED SECONDARY AIR INJECTION (PAIRC) CONTROL SOLENOID
The ECM supplies the ground circuit to the PAIRC solenoid. When activated, it redirects vacuum from the source and vent ports to the source and valve ports, applying vacuum to the PAIR.

Fig. 15 AIV Operation:

Refer to the chart above for AIV system operating conditions.