Mitsubishi 3000GT Workshop Manual Supplement 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.