vacuum line routing

I bought a 2002 Protege 5. It has a vacuum valve that seems to be missing a hose but I cannot find out where it goes. We have looked all over the engine compartment and can't find any unused connectors. I downloaded a manual for it with no results, Found several diagrams online that were no help...

After doing a head job, I'm putting everything back together. I didn't take it apart in the first place, so figuring out where everything goes is quite the challenge. I think I'm down to just one vacuum line and I can't figure out where it goes. Can some one help? It's the one I'm holding...