2005 MITSUBISHI LANCER ECU

IGNITION SWITCH
CHASSIS ELECTRICAL54A-21
4. Select "Immobilizer," press "YES".
5. Select "Special Func", press "YES".
If diagnosis code No.11 exists, "Can't execute" will
be displayed. Check for diagnosis code
No.11(Refer to P.54A-9.)
6. Select "key ID register", press "YES".7. Input the password. Use the "UP" and "DOWN"
keys to change the current password digit to a
value between 0 and 9. Use the "LEFT" and
"RIGHT" keys to move to a different password
digit. Press the "YES" key to accept the password.
If an incorrect password is input five times in a
row, this screen is displayed and the
immobilizer-ECU switches to unauthorized
operation, start-prevention mode.
NOTE: Four separate digits must be input to
make up the password.
8. Press the "YES" key to start key ID registration.
9. This will be displayed when the key ID registration
is successful. If an error occurs during key ID
registration, the message "Can't execute" will be
displayed. If the key has already been registered,
"Key ID has been registered" will be displayed.
AC000523AC
AC000530AC
AC000518AC
ACX01558AG
ACX01626AC
ACX01561AD
ACX01562AC

IGNITION SWITCH
CHASSIS ELECTRICAL54A-22
10.The number of keys currently registered will be
displayed. To register an additional key, replace
the ignition key with the next key to be registered
within five seconds and then press the "YES" key.
Key ID registration screen will be displayed, then
register another key.
If key ID registration is complete, press the "NO"
key.
NOTE: A maximum of eight different keys can be
registered.
11.This completes the registration operation. Turn
the ignition switch "LOCK" (OFF) and leave it off
for approximately ten seconds.
12.Check that the engine can be started with each of
the ignition keys.
13.Check that the immobilizer system diagnosis
code and MPI system diagnosis code did not set.
14.Turn the ignition switch to "LOCK" (OFF) position.
15.Disconnect MUT-II.
Registration of additional keys with the
MUT-II
Additional key(s) can be registered with the MUT-II
while keeping all existing key data.
CAUTION
To prevent damage to MUT-II, always turn the
ignition switch to "LOCK" (OFF) position before
connecting or disconnecting MUT-II.
NOTE: To register additional keys with the MUT-II,
no registered keys must be lost.1. Connect MUT-II (MB991502) to the 16-pin
diagnosis connector.
2. Turn the ignition switch to "ON" position.
3. At "System Select," press "YES"
4. Select "Immobilizer," press "YES".
5. Select "Special Func", press "YES".
If diagnosis code No.11 exists, "Can't execute" will
be displayed. Check for diagnosis code
No.11(Refer to P.54A-9.)
ACX01563ACAC304777
Steering shaft
AB
MB991502

AC000522AD
AC000523AC
AC000530AC

IGNITION SWITCH
CHASSIS ELECTRICAL54A-23
6. Select "Add key ID reg", press "YES".
7. Press the "YES" key to start key ID registration.
8. This will be displayed when the add key ID
registration is successful. If an error occurs during
key ID registration, the message "Can't execute"
will be displayed. If the key has already been
registered, "Key ID has been registered" will be
displayed.9. The number of keys currently registered will be
displayed. To register an additional key, replace
the ignition key with the next key to be registered
within five seconds and then press the "YES" key.
Key ID registration screen will be displayed, then
register another key.
NOTE: A maximum of eight different keys can be
registered.
If key ID registration is complete, press the "NO" key.
10.This completes the registration operation. Turn
the ignition switch "LOCK" (OFF) and leave it off
for approximately ten seconds.
11.Check that the engine can be started with each of
the ignition keys.
12.Check that the immobilizer system diagnosis
code and MPI system diagnosis code did not set.
13.Turn the ignition switch to "LOCK" (OFF) position.
14.Disconnect MUT-II.
KEY ID (ENCRYPTED CODE)
REGISTRATION
All ignition keys can be registered with MUT-III.
Additional ignition keys can be registered with
MUT-III.
Registration with the MUT-III
CAUTION
To prevent damage to MUT-III, always turn the
ignition switch to "LOCK" (OFF) position before
connecting or disconnecting MUT-III.
NOTE: .
•Before registration, check that no diagnosis code
is set. If a diagnosis code is set, resolve the
problem beforehand.
•Using the key ID register function will cause all
key IDs that have been previously registered in
the immobilizer-ECU to be erased. All keys need
to be registered. Those which have been
registered before should be on hand before using
this function.
•If registering more than one key, do not
disconnect MUT-III halfway through the
registration process.
•After registering key IDs, check that the engine
can be started using all of the keys that have
been registered. If the engine will not start, refer
to Immobilizer System Diagnosis P.54A-6.
AC000518AC
AC101478AB
AC101477AB
AC101476AB

IGNITION SWITCH
CHASSIS ELECTRICAL54A-24
1. Connect the MUT-III to the diagnosis connector
(16-pin).
2. Turn the ignition switch to "ON" position.
3. Select "System select" from the start-up screen.
4. Choose "IMMOBILIZER" from the "POWER
TRAIN" tab.5. Choose "Special Function" from "IMMOBILIZER"
screen.
6. Choose "Key registration" from "Special Function"
screen.
7. Enter the vehicle’s password (secret code) on the
"Key registration" screen, and then click the check
mark icon. Follow the prompts on the screen to
insert key(s) into the ignition switch to begin key
registration.
AC304950
MB991911
16-PIN
MB991827 MB991824
AB

System selectSpecial function
CAN bus diagnosis
Function Select Menu
Menu
AC209666
Maintenance
AD
MPI/GDI/DIESEL
ELC-A/T/CVT
IMMOBILIZER
SS4II
TCL/STARLTY CONTROLAUTO CRUISE CHASSIS BODY System Select Menu
POWER TRAIN
AC305175
Check Chart For
Problem Sy
Data ListSpecial
Function
Self-diagnosisSimulated Vehicle
Speed Out
Resistor
Voltmeter
POWERTRAINIMMOBILIZERIMMOBILIZER
AC305176
Key ID registrationAdditional Key
Registration
POWERTRAINSpecial FunctionIMMOBILIZERSpecial Function
AC305177
POWERTRAIN IMMOBILIZERSpecial Function
789
456
123
0
BackBackSpaceSpaceClearClear
Key registration
AC207300
AD
POWERTRAIN IMMOBILIZERSpecial Function
IMMOBILIZER-ECU registration
ProgressIn-CompleteKey registration
AC207302

IGNITION SWITCH
CHASSIS ELECTRICAL54A-26
5. Enter the vehicles password (secret code) on the
"Transponder ID addition" screen, and then click
the check mark icon.
6. If an additional registration is made successfully,
the screen will ask if another key is registered or
not. If the third ignition key is registered, remove
the key, which has been registered. Then insert
the third key within five seconds, and then turn it
to the ON position.
7. Register the additional ignition key according to
step 6 above. The number of the registered
ignition keys are shown on "The number of
registered key" screen.
NOTE: A maximum of eight different keys can be
registered.
8. This completes the registration operation. Turn
the ignition switch "LOCK" (OFF) and leave it off
for approximately ten seconds.
9. Check that the engine can be started with each of
the ignition keys.
10.Check that the immobilizer system diagnosis
code and MPI system diagnosis code did not set.
11.If not diagnosis code is shown, terminate the
MUT-III.
12.Turn the ignition switch to "LOCK" (OFF) position.
13.Disconnect MUT-III.Registration of additional key(s) without
using the MUT-III
If the MUT-III is not available, new key(s) can be
registered by operating two keys which have been
registered to the vehicle (A maximum of eight keys
can be registered to one vehicle). Follow the
procedure below to register new key(s) to the
vehicle.
NOTE: The registered key is the key that allows you
to start the engine.
1. Turn "ON" the ignition switch by using the first
registered key (key A), and wait for five seconds.
2. Remove the first registered key (key A).
3. Insert the second registered ignition key (key B),
and turn it to the ON position.
4. The immobilizer-ECU identifies the new key to
accept or reject it, and operates the immobilizer
indicator (See the table below).
5. If a new ignition key is registered further, repeat
steps 1 to 7 above.
A maximum of eight ignition keys can be registered
to one vehicle (If you attempt to register the ninth
key, the immobilizer-ECU rejects the key). If any of
the following conditions are satisfied, the additional
key registration mode will terminate:
•The ignition switch has been on for more than 30
seconds.
•After the ignition key has been turned to the
"LOCK" (OFF), the engine control relay is turned
off.
•The MUT-III has started communicating with
vehicle systems.
6. After the registration mode has terminated, the
additionally registered key(s) should allow you to
start the engine.
AC207301
AC209775POWERTRAIN IMMOBILIZER
Key ID registerey ID registerThe number of registered keyThe number of registered key3
Progre
Progre
Special FunctionTrasponder ID addition
About Additional TAbout Additional TransponderransponderID SETID SETIf register another key ID, press theIf register another key ID, press theOK button after inserting a new keyOK button after inserting a new keywithin 5 sec and turning on IG-SWwithin 5 sec and turning on IG-SW.

IGNITION SWITCH
CHASSIS ELECTRICAL54A-27
IGNITION SWITCH
REMOVAL AND INSTALLATIONM1543002100434
WARNING
•Before removal of the air bag module, refer to GROUP 52B, SRS Service Precautions and
Air Bag Module and Clock Spring P.52B-5.
•When removing and installing the steering wheel, do not let it bump against the air bag
module.
AC304659
2
3
4
67
15
AB
8
Removal steps
1. Column cover lower
2. Column cover upper
3. Steering wheel and air bag module
assembly (Refer to GROUP 37,
Steering wheel P.37-17 or P.37-19)
4. Clock spring and column switch
assembly (Refer to GROUP 37,
Steering shaft P.37-21)
<>5. Steering lock cylinder•Ignition switch connector
6. Ignition switch
7. Immobilizer-ECU
•Key reminder switch connector
8. Key reminder switch and bulb
assembly Removal steps (Continued)

COMBINATION METER ASSEMBLY
CHASSIS ELECTRICAL54A-32
SYMPTOM PROCEDURES
INSPECTION PROCEDURE 1: Speedometer does not work (the other meters work).
Speedometer Circuit
IGNITION
SWITCH (IG1)
VEHICLE
SPEED
SENSORDIAGNOSIS
CONNECTORCOMBINATION
METER
ENGINE-ECU
Wire colour code
B : Black LG : Light green G : Green L : Blue W : White Y : Yellow SB : Sky blue
BR : Brown O : Orange GR : Grey R : Red P : Pink V : Violet CONTROL CIRCUIT
FRONT SIDE
NOTE
LH drive vehicles
RH drive vehicles
,

COMBINATION METER ASSEMBLY
CHASSIS ELECTRICAL54A-33
TECHNICAL DESCRIPTION (COMMENT)
The engine-ECU and its associated components, the
combination meter assembly, the wiring harness, or
the connector(s) may be defective.
TROUBLESHOOTING HINTS
•Malfunction of the vehicle speed sensor
•Malfunction of the engine-ECU
•Malfunction of the combination meter assembly
•The wiring harness or connectors may have
loose, corroded, or damaged terminals, or
terminals pushed back in the connector.
DIAGNOSIS PROCEDURE
STEP 1. MUT-II/III actuator test.
(1) Connect the MUT-II/III to the diagnosis connector.(2) Use the MUT-II/III to enter simulated vehicle
speed.
Q: Does the speedometer show that simulated vehicle
speed?
YES :
Go to Step 6.
NO : Go to Step 2.
STEP 2. Check the vehicle speed sensor.
(MUT-II/III diagnosis code)
(1) Connect MUT-II/III to the diagnosis connector.
(2) Turn the ignition switch to the "ON" position.
(3) Read the MPI system diagnosis code.
Q: Is MPI system diagnosis code P0500 set?
YES :
Refer to P.13A-186 <4G1> or P.13B-166
<4G6>.
NO : Go to Step 3.
AC304777
Steering shaft
AB
MB991502

AC304950
MB991911
16-PIN
MB991827 MB991824
AB

AC304777
Steering shaft
AB
MB991502

AC304950
MB991911
16-PIN
MB991827 MB991824
AB