Toyota 4A-F, Руководство по ремонту

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AIR INDUCTION SYSTEM
• AIR VALVE
AIR VALVE
CA\O
"",-vt
FRU .. ""01 C'-U."�H
O, .. ""Al
The ai. �ilvc "
•
'"st odie
<Mv;"�
""t'f�ted by
a
b,me", �",.I heat c oi l In ,ncre� ... "'lginc rptrl w
h�
n
"'" eng,"!!
i
s cold.
CA'. \/A' \/F
OPERATION
When
'
1
"
l i
"
y a cold eng""'.
the
�te v81"" is
ope"
anow,,".! �ir lrom 11110 "i. dc.:mer 10 bYllafoS the
Il1rOl1lc vol.., an d
flow (ii,,,,,,ly IhrQU<Jh
'II
..
aIr
valve
to th� air ,"18k. ch"",hllr.
Thus,
eventho"llh
the [1I,nrrle valve I. ill It
II'!
1:1�
1><>slIlon, i"lake
8"
volume
is i"''''llilSCd
....
1 idle
�ed wi ll he �'lIhtly '''''Ier 11I3n nom"" (fan Idle),
Wilt<> tho �nglllC
" sl.rlild, cu.rent
�ini
to
Ilow
to llle hoe-at coil. As the b;m�tal
I.
h!!!ll.,.t, Ihc
gate
11,10
..
" ... ,11 9""luolly clulII and en'J"lft rpm will
door:
r
a
a
... .
Once Wflrmcd up. Hoe gale
....
Iv. will be fully
cl �
.
,''',ventll''1 �ir flow, an<J "lie spt'e'd will
return H> normal.