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:1
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I
EFI
SYSTEM
-
lnspeclion Precaullons
Fl-6
.....
E U
c
3
9Jt
'*"
WHEN
CAR IS
EQUIPPED WITH A MOBILE RADIO
SYSTEM !HAM.
CB.
ETC.)
The ECU has
been
designed so thalli will not be affected
by outtide
interference.
However.
if
your vehicle is equipped with an amateur
ra·
dio
uantceiver.
etc.
You must
be
obsorvo
the following
precautions.
(a)
lnslall
lhe antenna as far
••
possible from
lh8
ecu.
Th41 ECU
is
localed
behind
the glove
bo•
so
the
an-
tenna
should
be lns1alled at
the
rear,
left
side of
1ne
vehicle.
If installing
in
the bumper. do
so
on
t
ho
loft
side.
if
possible.
(b)
K
eep
the a<llenna
feeder
as far
aw
ay as
possible from
the ECU
w
ires
-
a I least 20
em
(7
.87
in.)
-
end,
es·
pecially,
do
not wind them 1ogether.
tc)
Insure
that
the
f
eeder and
antenna
arc properly
ad·
juatad.
(d
l
Do not
equip your vehicte with a powerful
mobile
ra·
d io
system.
AIR INDUCTION SYSTEM
1.
Separation of
the
engine oil
level
gauge.
oil
filler
cap.
PCV
hose.
e tc.
may cause the engine
to
run out of tune.
2.
Disconnection
. loosenaas
or
cracks in
the
parts
o
f
t
he air
intake system
between the
air flow meter- cylinder head
will
allow
elr
suction end cause
bad
engine tune
•
ELECTRONIC CONTROL SYSTEM
1.
Be foro
removing
EFI
w
iring
connectOf'S,
terminals,
etc.,
first
disconnect pOwer
by either tuming OFF
the
ignition switch
or d•sconnecting the battery
terminals.
2
.
When
Installing a
battery,
be especially careful
not
to
in·
correctly
connect
the pOSitive and negative
c.ebles.
3
.
Oo not
permit
parts
to receive
a
severe
impact
during
removal
or inslallation
.
Handle all
EFI
parts
carefully and.
in
part
icular.
the
ECU.
4
.
Do
not be
careless
dur1ng
troubleshooting
as
there
are
numerous
transi
stor circuits
and
even sltght
tmminol
con·
tact can
cause
funher
troubles.
5.
Do
not
open the ECU cover.
6
.
When
inspecting
during
rainy
weether.
tak
e
c,
e re
to
pte·
vent
entry
of
water.
Also~
when
w ashing
t
he engine
com·
partmont,
prevent
water from
getttng on
the
EFI
parts
and
wiring connectors.
7
.
Parts
should
be replaced
as
an
uumbly.
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Chapters
Table of Contents
Troubleshooting
