Mitsubishi Lancer Evolution-IV - Ignition Switch <Except Evolution-VI with Immobilizer System; Special Tool; Troubleshooting; Ignition Switch

CHASSIS ELECTRICAL – Ignition SwitchCHASSIS ELECTRICAL – Ignition Switch
54-6
IGNITION SWITCH <EXCEPT EVOLUTION-VI WITH
IMMOBILIZER SYSTEM>
SPECIAL TOOL
Tool Number Name Use
MB991502 MUT-II sub
assembly
ETACS-ECU input signal checking
TROUBLESHOOTING
DIAGNOSIS FUNCTION
INPUT SIGNAL INSPECTION POINTS <VEHICLES
WITH ETACS-ECU>
Refer to Group 00 – How to Use Troubleshooting / Inspection
Service Points.
INSPECTION CHART FOR TROUBLE SYMPTOMS
Trouble symptoms Inspection
procedure
Reference page
Communication with
MUT II is impossible
Key hole illumination lamp remains illuminated. 1 54-7
MUT
-
II
i
s
i
mposs
ibl
e.
Even if driver’s side door is opened, key hole
illumination lamp does not illuminate.
2 54-7
While key hole illumination lamp is illuminated,
ignition key is turned to the ON position but key hole
illumination lamp does not switch off. (However, it
switch off after 10 seconds.)
3 54-8
Key reminder warning
buzzer system
While the key reminder warning buzzer is sounding,
the ignition key is turned to the ON position but the
sound dose not stop. (However, it stops when the
driver’s side door is closed.)
3 54-8
The key reminder warning buzzer dose not stop
sounding even if the key is removed. (However, it
stops when the driver’s side door is closed.)
4 54-9
The key reminder warning buzzer does not sound
ever if the driver’s side door is opened while the key
is still inserted. (However, the ignition key should be
in the OFF position.)
5 54-10
NOTE
If every input signal can not be checked with the MUT-II, a diagnosis circuit system failure is probably
the cause. <Vehicles with ETACS-ECU>