Air Diverter Solenoid: Description and Operation

AIR Bypass Solenoid

Secondary Air Injection Bypass Solenoid:

The secondary Air Injection Bypass (AIR bypass) solenoid (Figure 122) is used by the PCM to control vacuum to the secondary air injection diverter (AIR diverter) valve. The AIR bypass solenoid is a normally closed solenoid. The AIR bypass solenoid also has a filtered vent feature to permit vacuum release.