Mitsubishi Evolution X. Manual — part 525

GENERAL INFORMATION

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KEYLESS OPERATION SYSTEM (KOS)

42B-7

System configuration

AC709150

Steering unit

KOS-ECU

Push switch

Steering lock unit

Unlock sensor and
lock switch
(Driver's side door)

Unlock sensor and
lock switch
(Passenger's side door)

Trunk lid opener switch

Outer tone alarm

Receiver
antenna
module

ETACS-ECU

ECM

ASC-ECU

Combination meter
(Multi information display, TPMS warning light)

Interior transmitter
antenna assembly

Exterior transmitter
antenna assembly

Front

Rear

Driver's side

Passenger's side

Trunk lid

Low
frequency
signal

Low
frequency
signal

Low
frequency
signal

Radio
frequency
signal

Keyless operation key

Lock/Unlock/Trunk lid button

Emergency key

Indicator light

Panic button

Dome light,
Ignition key cylinder
illumination light

Horn

Door lock actuator

Trunk lid latch

Turn-signal light

TPMS transmitter

Front tire (LH)

Front tire (RH)

Rear tire (LH)

Rear tire (RH)

Antenna

CPU

Transmission
circuit

Pressure
sensor

ACC.
sensor

Battery

AB

CAN-B
communi-
cation

CAN-C comm-
unication

Receiver antenna
assembly

Radio
frequency
signal

Key reminder switch

Head light,
Tail light

SERVICE SPECIFICATIONS

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KEYLESS OPERATION SYSTEM (KOS)

42B-8

SERVICE SPECIFICATIONS

M1429604200041

SPECIAL TOOL

M1429604300037

Item

Standard value

Battery voltage of the keyless operation key V

2.5 ~ 3.2

Tool

Tool number and
name

Supersession

Application

MB991958

a. MB991824
b. MB991827
c. MB991910
d. MB991911
e. MB991914
f. MB991825
g. MB991826

M.U.T.-III sub
assembly

a. Vehicle

communication
interface (V.C.I.)

b. M.U.T.-III USB

cable

c. M.U.T.-III main

harness A
(Vehicles with
CAN
communication
system)

d. M.U.T.-III main

harness B
(Vehicles without
CAN
communication
system)

e. M.U.T.-III main

harness C (for
Daimler Chrysler
models only)

f. M.U.T.-III

measurement
adapter

g. M.U.T.-III trigger

harness

MB991824-KIT
NOTE: G: MB991826
M.U.T.-III Trigger
Harness is not
necessary when
pushing V.C.I. ENTER
key.

CAUTION

M.U.T.-III main harness A
(MB991910) should be used.
M.U.T.-III main harness B and C
should not be used for this
vehicle.
ETACS-ECU check (Diagnostic
trouble code, service data)

MB991910

MB991826

MB991958

MB991911

MB991914

MB991824

MB991827

MB991825

DO NOT USE

a

b

c

d

e

f

g

DO NOT USE

SPECIAL TOOL

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KEYLESS OPERATION SYSTEM (KOS)

42B-9

MB991223

a. MB991219
b. MB991220
c. MB991221
d. MB991222

Harness set

a. Test harness
b. LED harness
c. LED harness

adaptor

d. Probe

General service tools Continuity check and voltage

measurement at harness wire or
connector for loose, corroded or
damaged terminals, or terminals
pushed back in the connector.

a. Connector pin contact

pressure inspection

b. Power circuit inspection
c. Power circuit inspection
d. Commercial tester connection

MB992006
Extra fine probe

−

Making voltage and resistance
measurement during
troubleshooting

Tool

Tool number and
name

Supersession

Application

MB991223

a

d

c

b

DO NOT USE

BA

MB992006

DIAGNOSIS

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KEYLESS OPERATION SYSTEM (KOS)

42B-10

DIAGNOSIS

STANDARD FLOW OF DIAGNOSTIC
TROUBLESHOOTING

M1429604400078

Refer to GROUP 00

− How to Use Troubleshooting/Inspection

Service Points

P.00-7

.

DIAGNOSTIC FUNCTION

M1429605400060

HOW TO CONNECT THE SCAN TOOL (M.U.T.-III)

Required Special Tools:

• MB991958: Scan Tool (M.U.T.-III Sub Assembly)

• MB991824: Vehicle Communication Interface (V.C.I.)

• MB991827: M.U.T.-III USB Cable

• MB991910: M.U.T.-III Main Harness A

CAUTION

To prevent damage to scan tool MB991958, always turn the
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
1. Ensure that the ignition switch is at the "LOCK" (OFF)

position.

2. Start up the personal computer.
3. Connect special tool MB991827 to special tool MB991824

and the personal computer.

4. Connect special tool MB991910 to special tool MB991824.
5. Connect special tool MB991910 to the data link connector.
6. Turn the power switch of special tool MB991824 to the "ON"

position.
NOTE: When special tool MB991824 is energized, special
tool MB991824 indicator light will be illuminated in a green
color.

7. Start the M.U.T.-III system on the personal computer.
NOTE: Disconnecting scan tool MB991958 is the reverse of the
connecting sequence, making sure that the ignition switch is at
the "LOCK" (OFF) position.

HOW TO READ AND ERASE DIAGNOSTIC
TROUBLE CODES

Required Special Tools:

• MB991958: Scan Tool (M.U.T.-III Sub Assembly)

• MB991824: Vehicle Communication Interface (V.C.I.)

• MB991827: M.U.T.-III USB Cable

• MB991910: M.U.T.-III Main Harness A

NOTE: If the battery voltage is low, diagnostic trouble codes will
not be set. Check the battery if scan tool MB991958 does not
display.
1. Connect scan tool MB991958 to the data link connector.
2. Turn the ignition switch to the "ON" position.
3. Select "System select" from the start-up screen.

AC608435

Data link connector

MB991827

MB991824

MB991910

AB