Mitsubishi Montero (2002-2004). Manual — part 464

IGNITION SWITCH

TSB Revision

CHASSIS ELECTRICAL

54A-27

5. Select "Special Func," press "YES".

If DTC 11 exists, "Can't execute" will be displayed. Check for
DTC 11. (Refer to

P.54A-8

.)

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 registration" 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.
If key ID registration is complete, press the "NO" key.
NOTE: A maximum of eight different keys can be registered.

AC000530

AB

AC000518

AB

AC101478

AC101477

AC101476

IGNITION SWITCH

TSB Revision

CHASSIS ELECTRICAL

54A-28

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 DTC and MFI system

DTC did not set.

13.Turn the ignition switch to "LOCK" (OFF) position.
14.Disconnect scan tool MB991502.

.

Registration of additional key(s) without using the scan
tool
If the scan tool 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 vehi-
cle.
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. Within 30 seconds, remove the key.
3. Within seven seconds after the ignition switch has been

turned to the "LOCK" (OFF), insert the second registered
key (key B) and turn on the ignition switch again. Now the
theft-alarm indicator light should blink twice for one second.
If it does not blink, you has failed to register. Repeat from
step 1.

4. Turn on the key B. Within 30 seconds, remove the key.
5. Within seven seconds after the ignition switch has been

turned to the "LOCK" (OFF) position, turn on the ignition
switch by using a new key.

6. The immobilizer-ECU identifies the new key to accept or

reject it, and operates the theft-alarm indicator (See the
table below).

The new key is:

Registration is:

Additional
registration
mode:

Theft-alarm indicator:

Not registered yet

Accepted

Continues

Comes on for 3 seconds after the ECU
judges that the key has not been
registered yet.

Already registered

Rejected

Continues

Comes on for 3 seconds after the ECU
judges that the key has already been
registered

Read error

Rejected

Continues

Blinks three times after the ECU has
failed to identify the key.

Eight ignition keys have
been registered

Rejected

Continues

Does not come on and blink

ACX02297

THEFT ALARM

INDICATOR LIGHT

DEFROSTER NOZZLE

AC

IGNITION SWITCH

TSB Revision

CHASSIS ELECTRICAL

54A-29

7. 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). Follow the procedure
below to register another new key.

(1) Within 30 seconds after the new key has been registered

on step 6, remove the key.

(2) Within seven seconds after the ignition switch has been

turned to the "LOCK" (OFF), insert another new key and
turn on the ignition switch.

(3) To register more other ignition key(s), repeat steps 1 and

2.

8. 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 scan tool has started communicating with vehicle sys-

tems.

9. After the registration mode has terminated, the additionally

registered key(s) should allow you to start the engine.

IGNITION SWITCH

TSB Revision

CHASSIS ELECTRICAL

54A-30

IGNITION SWITCH

REMOVAL AND INSTALLATION

M1543002100155

ACX01372

1

2

3

4

5

6

7

8

ACX01568

AD

DIAGNOSIS CONNECTOR

9

AD

IGNITION SWITCH REMOVAL
STEPS

1. STEERING WHEEL (REFER TO

GROUP 37, STEERING WHEEL AND
SHAFT

P.37A-23

.)

2. INSTRUMENT UNDER COVER
3. COLUMN COVER LOWER
4. COLUMN COVER UPPER
5. COLUMN SWITCH

<<A>>

6. STEERING LOCK CYLINDER

7. IGNITION SWITCH
8. KEY REMINDER SWITCH

IMMOBILIZER-ECU REMOVAL
STEPS

• LOWER CENTER PANEL <LH>

(REFER TO GROUP 52A, FLOOR
CONSOLE ASSEMBLY

P.52A-7

.)

9. IMMOBILIZER-ECU

IGNITION SWITCH REMOVAL
STEPS (Continued)