coolant flow to ISC and IAC

[fixkick]

its the brake booster hose.
see it, see it go to large metal line then to hose again and then to the booster.
that line goes some where just follow it with eyes,
that hose near the monoport side winder pipe, at plenum rear
the plenum is hard vacuum,
things that need this are.
1: the front of plenum see nipples go to VSV (evap)
2: booster.
3: your car is not 3speed so there is no 3sp vacuum modulatorl.
4: no EGR vacuum (a blessing for sure)
just booster is my guess, its not water hose, right?
keep in mind we dont have that plenum here in this country.

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the booster is same spot on E04 market engine, USA< fed.

http://www.fixkick.com/engine/97-motor-p...ge_36.html

as seen here at rear left of plenum.
my plenum unbolts, yours dont.

btw
your car is market E41. Greece. (i have the full Santana parts list on it)