Toyota 4A-F, Руководство по ремонту

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IF VEHICLE IS EQUIPPED WITH MOBILE
RADIO SYSTEM (HAM. CB. ETC.)
The fCU hilS been designed so Ihal il wi. not be
affected by
outside int eft Mence . However. if your vehicle is equipped willl
a C8
radio
t
ra
nsc
e
i
v
er. etc. \&�en one wilh about l O W oulpu1!.
it may. at timas. have en a
ff
e
ct
upon EeU
operation.
espedal'f
i
f
the
a
n
t e
nn
a Ind feeder are installed nearby. Therefor&.
obseNe
the following precautions:
1. Install the antenna as
fer
85
possible from the fCU. TIll
ECU
Is l
oc
a
t
ed
undar the radio lAE and
ATI.
center the rN
luggege
complll1m.nt (AWl.
so the an t
e
nna
should
be
inst
al
led II the retr sid. of the
vehicle.
2 .
Keep the
Intenna
lieder
as far
OWly
IS
possible from
'hi
ECU
wires - Blleast 20 cm 17.87
I
n
. )
- and. 8spec1llly.
do
not wind them together.
3 .
Check that thl feedlr and antenna a r e p ro p
e
r ly a
d
ju
s ,ed
4 .
Do not equip your vehicle with
iii
powerlul mobile radio
system.
AIR INDUCTION SYSTEM
1 .
Separation o
f
the engine oil dipstick. oil filler cap. pev
h o
se . etc. may cause the engil"\8
to
nm
out of t une .
2 .
DlsconrleClion. looseness or cracks in the p a r
iS of Ihe
.r
Induction system belween the throttle body and cylinds
head will �lIow lir luctlon Ind cluse the engine
10 run out
01 tuno .
ELECTRONIC CONTROL SYSTEM
1 .
2
3.
Before remo�ing EFI wiring connectors. terminlls. etc.
I
lil"$l disconnect the power by either turning the i g
nitial
I
switch
OFF
o r di$(:onnecling Ihe battery terminals.
When installing Ihe baltery. b e espeeiliity careful
nOl
to
•
incorrectly connect Ihe positive
ISl
and
negative
[3 1
c.lIblH .
Do not permit parIS to
receive
a
severe impact during
1
removal
or in
s
t
a
l
la
t
i
on
.
Handla
III
E F
I
parts
clreful�.
I
8
s
p
e
c il
i l
y the fCU.
'
4. Do not be Clreless during troubleshooting as there
III!
1
num
e
r ou s 1<lInsistor cin::uits and even slight terminal
con­
tact can cause further troub l e s .
5. Do not open thll
ECU
co
v
e r
.
6.
When
inspecting during rainy we�ther. take care to
pre·
vent etltry of water Also. when weshing the engine
com­
pert mInt prevvnt water trom getting on the
EFI
parts aM
wiring
connector s .
7.
Parts �hould be replaced es an as sem bl y
.