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28
Ignition systems
Design and function
Functional
test program
The
system
monitors the
the component
or switch is operated
tion.
Failure
to
display a
In
this
event,
the fault may
The
functional
test program
pletion
of
repair
on Ihe
or
w
i
ring
intact
the
Some major differences
The EZ-116K1Rex-1 diagnostic system
form the
same
type
of
- The use of a test
diode is
tension of Ihe ignition
-
The engine must be
-
Si
nce
the diagnostic system
enabl
ing them
1
0
be
- The system includes a
-
codes
are of Ihe 3-digit
- The lechnician decides when the nexi faull
- The system
includes
es
have been reconnected
-
Switching off the
ignition and Slopping
on
completion of work only by operaling
64
-
System descriptions
operation
of
certain
code
indicates
that
the
tie
either in the
item
provides an
ideal means
eng
ine.
As
an
example.
engine fails
1
0
slart.
differs
faull tracing
:
unnecessary.
Th
is
system.
switched
off during fautt tracing.
can
display a
greater
ident
ified mo
re
quickly.
'fault-free' code.
type.
a functional
test
program,
correctly following
the
components
and
swil
ches
with a
set
procedure,
control
unit has fa iled to detect operation of
itself,
or in the associated
of
checking
that the
it
may be used
to
from other
EZ-K
systems in
has
been superseded by the diagnostic unit
number of faull codes,
code is
to be displayed
providing
a
fasl
and
repair work
on
the
engine
sufficienllO erase
the
pushbutton
by
operation
of
the
the LED
displays
a 3-digit code in confirma-
wiring and
connections.
sw
itches
are correctly w
check
whether the
speed/position pick-up
the
following
respects when used to
which,
it
cove
rs a wider range
.
reliable means
of checking
engine.
the
memory.
in
a
predetermined
items
question.
When
the component/switch
i
red
e.g
.
on
com-
andJ
per-
in effect,
is an ex-
of
potent
ial
fau lts,
that
certain
switch-
In this
case,
the memory
sequence.
.
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