Shutter Solenoid Valve Test
- Disconnect vacuum sensing tubes from shutter solenoid valve (Yellow color dot). Blow through solenoid valve through vacuum hose "B" shown in Fig 1 . Make sure air passes through the valve and comes out port "C".
- Disconnect electrical connector and apply battery power to terminals on solenoid valve. Blow through hose again. Air should pass through valve and come out the air filter "A" of the valve.