Air Diverter Solenoid: Description and Operation
SECONDARY AIR INJECTION (AIR) BYPASS SOLENOIDSecondary AIR Bypass Solenoid:
The secondary AIR bypass solenoid is used by the PCM to control vacuum to the secondary air injection diverter (AIR diverter) valve. The secondary AIR bypass solenoid is a normally closed solenoid. The secondary AIR bypass solenoid also has a filtered vent feature to permit vacuum release.