Solenoid Valve

Solenoid Valve -- No Voltage Applied:

1. Disconnect vacuum hose from solenoid valve.
2. Blow through valve from hose "B" and check that air flows from valve air filter.

Solenoid Valve -- Voltage Applied:

3. Disconnect valve electrical connector. Connect 12V and a ground to terminals.
4. Blow through valve from hose "B." Check that air flows from port "A."
5. If not as specified, replace solenoid valve.