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Cpmpopentp
ral
5Per
Von
N
INE FUEL
RELAY
I
Disconnect
battery
ground
cable
2
Remove
relay
from
car
3
Test
continuity
through
relay
with
an
ohmmeter
in
accordance with
EFI
relay
and fuel
pump
relay
I
rp
Chcck terminals
d
1
nu
j
@
1
@
@
@
@
Fuel
pump
relay
2
the
following
chart
Normal
condition
112V
direct current iI
ppUed
I
bet
t
uololls
CDond@
Tell resultl
CoatiDuity
f
Yea
No
Yes
Ya
No
Yes
Coritiilufty
should ex
iIt
No
Continuity
IhotiId
not abt
IZVIliNct
aIIfIW
I
2
J
l
T
D
t
I
NDnIaI
@
@
7
nau
0tndIaIIlt
y
y
No
No
No
y
No
y
y
CONTROL
UNIT
CHECKING ELECTRIC
IGNAL
TO
INJECTORS
I
Inspection
lamp
as
shown
in
figure
b low
is
required
for thiS
test
E F353
Make
inspection lamp
as
follows
1
Prepare
12V
3W
lamp
2
Prepare
socket and
set
lamp
in it
EF
34
a
c
kll
l l lllilod
l
CD
00
@@
j
@
j
@
3
Use
flat
plate
tenninals 3
mm
0 12
in
wide
0 8
mm
0 031 in
thick
as
male terminals
Place
flat
plate
terminals
parallel
with each other
and
keep
distance between
inside
faces
2
mm
0 08 in
The
n
secUre
terminals
by wrapping
insulation
tape
or
with suitable terminal
body
2
Disconnect
injector
harness
con
nector
3
Connect
inspection
lamp
to
injec
tor
harness
connector
YQ C
cUII
CO
1inulll
nol alA
c
c t
a
o
c
Ir
I
SEFl56
4
Starting
engine
or
cranking
en
gine
check
iitspection
lamp
to
see
if
it
flashes
at
regular
interval
If
so
elec
ttic
signals
are
being properly
trans
mitted
to
injectors
a
The
engine
should be cranked
at a
speed
of
more
tJ I a ri S O
rpm
b
The
control unit may fail to gener
ate
a
correct
pulse signal
at
an
excessiwely
low
battery voltage
It is
recomm
nded
therefore
that
a
battery voltage
of
more
than 9 volts
be
applied
during
the
cranking
operation
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