Mitsubishi Lancer (4A9 engine). Manual — part 12

PRECAUTIONS BEFORE SERVICE

GENERAL

00-45

ENGINE KEY CODE AND CHASSIS
NUMBER (CHASSIS NO.) REGISTRA-
TION STEPS FOR THE ENGINE-ECU

CAUTION

• Check that diagnosis code No.P0603 "EEP-

ROM fail" is not set. When diagnosis code No.
P0603 "EEPROM fail" is set, the engine-ECU
cannot store engine key code and chassis No.
even if the engine key code and chassis No.
are registered. If this diagnosis code is set,
troubleshoot the engine-ECU and repair, and
then register the engine key code and chassis
No. to the engine-ECU.

•

AC608435

MB991827

MB991824

MB991910

AB

Diagnosis connector

<LH drive vehicles>

AC700191

MB991827

MB991824

AB

Diagnosis connector

<RH drive vehicles>

MB991910

Before connecting or disconnecting the
M.U.T.-III, turn the ignition switch to the
"LOCK" (OFF) position.

Connect the M.U.T.-III to the 16-pin diagnosis con-
nector as follows.
NOTE: For details on how to use the M.U.T.-III, refer
to the "M.U.T.-III User's Manual."
1. Ensure that the ignition switch is at the "LOCK"

(OFF) position.

2. Start up the personal computer.
3. Connect special tool USB cable (MB991827) to

special tool V.C.I. (MB991824) and the personal
computer.

PRECAUTIONS BEFORE SERVICE

GENERAL

00-46

4. Connect special tool M.U.T.-III main wiring

harness A (MB991910) to the V.C.I.

5. Connect M.U.T.-III main wiring harness A to the

diagnosis connector of the vehicle.

6. Turn the V.C.I. power switch to the "ON" position.

NOTE: When the V.C.I. is energised, the V.C.I.
indicator lamp will be illuminated in a green col-
our.

7. Start the M.U.T.-III system on the personal

computer and turn the ignition switch to the "ON"
position.
NOTE: Since the M.U.T.-III screen display
changes according to the vehicle specifications,
the illustrations for each item may differ from the
actual screen display.

System Select

Select Model Year and System

System List

Model Year

Vehicle Information

Loading Option Setup

OPC

With Option

Option Name

Immobi & Keyless

KOS & Immobi

VF1

Model Name

Model Year

Model Code

Up to 2005 MY

From to 2006 MY

1

2

3

4

5

6

7

8

9

10

MPI/GDI/Diesel

IMMOBI/KOS/Keyless

AT/CVT/A-MT

ABS/ASC/ASTC

SAS

Multi Select 4WD

SRS Airbag

A/C

ETACS

Meter

AC700171

OK button

AB

8. Select "IMMOBI/KOS/Keyless" button from the

"System Select" screen. Then, select the
applicable option code item and push the OK
button.

• The display of "Special Function" screen

changes, depending on the contents of the
option. For vehicles with KOS, select
"KOS&Immobi." For vehicles with WCM, select
"Immobi&Keyless."

9. Select "Special Function" on the next screen.

AC801056

Option: When KOS & Immobi is selected

AB

AC801055

Option: When Immobi & Keyless is selected

AB

10.Select "Key Code Registration" from the "Special

Function" screen.

AC509803

AB

OK button

11.Push the OK button after "Key Code Registration

to Engine ECU" is displayed.

12.Push the OK button after "Completed. Press the

OK button and move to VIN writing function." is
displayed.

AC700604

*****************

*****************

AB

13.Enter the VIN of registering vehicle and push the

OK button.

PRECAUTIONS BEFORE SERVICE

GENERAL

00-47

14.Push the OK button after "VIN Writing will start.

Are you sure?" is displayed.

15.Return to the previous screen and "In Progress" is

displayed at the lower-left corner on the screen.

16.Push the OK button after "Completed." is

displayed.

AC700605

*****************

*****************

AC

17.VIN writing result is displayed.
18.Complete the M.U.T.-III.
19.Disconnecting the M.U.T.-III is the reverse of the

connecting sequence, making sure that the
ignition switch is at the "LOCK" (OFF).

20.Push the OK button after "Completed." is

displayed.

21.Terminate the M.U.T.-III.
22.Turn the ignition switch to the LOCK (OFF)

position and then disconnect the M.U.T.-III.

PRECAUTIONS BEFORE SERVICE

GENERAL

00-48

CHASSIS NO. WRITING STEPS FOR WCM
AND KOS-ECU

CAUTION

• Before the chassis No. registration to WCM,

check that the chassis Nos. of engine-ECU
and vehicle are matched.

• Check that diagnosis code No. B2416 "ECU

internal error" is not set. When diagnosis
code No. B2416 "ECU internal error" is set,
the WCM and the KOS-ECU cannot store the
Chassis No. even if the Chassis No. is written.
If this diagnosis code is set, troubleshoot the
WCM or the KOS-ECU and repair, and then
write the Chassis No. to the WCM or the KOS-
ECU.

•

AC608435

MB991827

MB991824

MB991910

AB

Diagnosis connector

<LH drive vehicles>

AC700191

MB991827

MB991824

AB

Diagnosis connector

<RH drive vehicles>

MB991910

Before connecting or disconnecting the
M.U.T.-III, turn the ignition switch to the
"LOCK" (OFF) position.

Connect the M.U.T.-III to the 16-pin diagnosis con-
nector as follows.
NOTE: For details on how to use the M.U.T.-III, refer
to the "M.U.T.-III operation manual."
1. Ensure that the ignition switch is at the "LOCK"

(OFF) position.

2. Start up the personal computer.
3. Connect special tool M.U.T. -III USB cable

(MB991827) to special tool V.C.I. (MB991824)
and the personal computer.