quick question about 1 vac line

[turbotrev]

where does this vac line(the circled one) go to????:1zhelp: Ive searched everywhere and nothing

plz help me

thankz in advance

trev

 

[isnms]

bov
connects to 22230W (bottom center left) on this link
http://www.cygnusx1.net/Supra/Library/EPC/291420/catalog.aspx?Figure=2211&Page=2

 

[turbotrev]

thankz man

trev