Mitsubishi 3000GT - Page 55

54-5
lgnition Switch
and
lmmobilizer
System/
CHASSIS
ELECTRICAL
-
lsnition
switch
CHECK
AT
IMMOBILIZER.ECU
TERMINAL
VOLTAGE
CHECK
CHART
2trO191
TerminalNo.
Signal
Check
requirements
Terminalvoltago
3
lmmobilizer-EGU
earth
OV
I mmobilizer-EOU
power
suPPlY
lgnition switch:
ON
System
voltage
lgnition switch:
Within
5
seconds
afterchanging
from
ON
to OFF
lgnition
switch: OFF, or
5 seconds
afterchanging
from ON
to OFF
0v
IGNITION
SWITCH
ID CODE
REGISTRATION
METHOD
lf using
an
ignition
key that has
just
been
newly
purchCsed,
or
if the
immobilizer-ECU
has been
replaced.,
you
will
need
to register
the
lD codes
for each
ignition key being
used
into the
immobilizer-E0U.
(A
maximum
of eight different
lD
codes can
be
registered.)
Moreover,
when
the
immobilizer-EGU
has been
replaced,
you
will
need
to use the
MUT-II
to register the
password
that
the user
specifies
into the immobilizer-EOU.
(Refer
to
the
"MUT-II
REFERENCE
MANUAL" or "MUT-II
OPERATING
INSTRUCTIONS"
on using
the
MUT-II.)
Cautlon
Because
rcglsterlng
of
the
lD codes ls carried
out after
all
prevlously-reglstered
codes
have been erasod,
you
should
have ready all
of the
ignltion
keys that
have already
been
reglstered.
1. Connect
the
MUT-II
to the diagnosis
connector.
Gaution
Tilm off
the
lgnltlon swltch
before
eonnecting
or
disconnectlon
of
the MUT-II.
2. Check
that
the diagnosis
code
No. 54
is not being
generated
by
the engine-ECu.
lf it is being
generated
check
according
to the
Troubleshooting
Procedures.
(Refer
to GROUP
13A
-
Troubleshooting.)
3.
Use
the
ignition
key that
is to be registered
to turn on
the
ignition switch.