Mitsubishi Eclipse Workshop Manual page 74

13-10
FUEL
-
Troubleshooting
ENGINE
WARNING
IAMP
INSPECTION
('l)
Check that when the ignition switch is turned ON, the lamp
illuminates
for about 5
seconds and then goes
out.
-
(2) lf the lamp does not illuminate,
check
for open circuit
inv
harness.
blown fuse and blown
bulb.
SELF-DIAGNOSIS
The engine control
unit
monitors
the input/output
signals
(some signals
at all
times and
the
others under
specified
conditions)
of the
engine control unit.
When
it
is
noticed
that an
irregularity has continued
for
a
specified
time
or
longer from when
the
irregular signal
is
initially monitored, passing
a
certain
number,
the
engine
control unit judges that an irregularity
has
occurred, memorizes
the
malfunction code. and outputs the
signal
to
the
self-
diagnosis output terminal.
There
are 15 diagnosis items, including the normal
state, and
the diagnosis results can be read out with a multi-use
tester.
Moreover, since memorization of the
malfunction codes
is 3
backed
up directly by the
banery,
the
diagnosis-results
are G
memorized even if the ignition key is turned off. The malfunc*.1
tion
codes
will.
however. be erased when the battery
terminail!
or the
engine control unit connector is disconnected.
The malfunction code can also be erased by turning on the
ignition switch and sending the malfunction code
erase signal
from the
MUT
to
the engine control
unit.
Gaution
lf
the
$ensor oonnector
is
disconnected
nriü
$e
ignition
suvitch
tumed on, üte malfunction codc is
memorized. In
thb
casa, send
the malftrnstion code
orasa signal
fiom
the
muhi-uro tester to the
engine
control unit
and üre dingnocie
memory
will
be
erased.
The 15 diagnosis items are provided
as
follows, and
if
plural
items are activated, they are all indicated
sequentially from the
smallest code number.
C
t
C
I