Mitsubishi Outlander GS45X. Manual — part 1159

GENERAL INFORMATION

TSB Revision

WIRELESS CONTROL MODULE (WCM)

42C-3

CONSTRUCTION DIAGRAM

.

AC901470

LOW
TIRE PRESSURE

AB

Wireless control module (WCM)

Engine control module (ECM)

Indicator light

ABS or ASC-ECU

Multi-information display
(built in combination meter)

TPMS
warning light

TPMS transmitter
(Tire pressure sensor)

Lock button

Unlock
button

Ignition key

ETACS-ECU

TPMS transmitter
(Tire pressure sensor)

Panic
button

<Vehicles without color liquid crystal display>

<Vehicles with color liquid crystal display>

TPMS
warning light

Multi-information display
(built in combination meter)

LOW TIRE PRESSURE

GENERAL INFORMATION

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WIRELESS CONTROL MODULE (WCM)

42C-4

Main components and functions

NOTE:

.

•

*

: Illuminates for tire pressure warning.

•

*

: Flashes for about 1 minute and then continuously illuminated for TPMS malfunction warning.

.

Parts name

Functional description

Wireless control module
(WCM)

Controls the keyless entry functions, TPMS functions and starting of the engine
by using the following communications.

• Communications with ETACS-ECU, ECM, ABS or ASC-ECU and

combination meter via CAN

• Wire communication with the steering lock unit

• Wireless communication with the ignition key

• Wireless communication with the TPMS transmitter

Ignition key

The ignition key receives signals sent from WCM, certifies the key ID,
calculates the key ID, and sends the reply data signal to WCM. The ignition key
also sends signals to WCM when the lock/unlock button and panic button on it
are operated.

Combination meter (Multi
information display, TPMS
warning light)

Communicates with WCM via CAN. Send ignition switch status. Receives the
warning request or warning information from WCM, activates

*

the TPMS

warning light. Warning symbol and message is additionally displayed on the
Multi information display.

ETACS-ECU

Communicates with WCM via CAN. Receives the door lock/unlock request from
WCM, outputs the lock/unlock signal and flashes the turn signal light to inform
the driver that the doors are locked/unlocked.

ABS or ASC-ECU

Communicates with WCM via CAN. Sends the vehicle speed data.

Engine control module
(ECM)

Communication with WCM via CAN. Send atmospheric pressure data.

TPMS transmitter

Measure tire pressure directly, then send radio frequency signal to WCM.

GENERAL INFORMATION

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WIRELESS CONTROL MODULE (WCM)

42C-5

System configuration

NOTE: In case of replacement of WCM, all keyless
ID, key ID and tire pressure sensor ID should be
re-registered using scan tool MB991958 (M.U.T.-III
sub-assembly).

AC702299

Wireless control module
(WCM)

ECM

Indicator light

CAN-C comm-
unication

Rear tire (LH)

Rear tire (RH)

CPU

Antenna

ABS or ASC-ECU

Ignition key

Panic button

Lock button

Unlock button

Radio
frequency
signal

TPMS transmitter

Transmission circuit

Radio
frequency
signal

Horn

Door lock actuator

Liftgate lock actuator

Front tire (LH)

Front tire (RH)

Dome light,
Ignition key cylinder
illumination light

Turn-signal light

Combination meter
(TPMS warning light and
Multi information display)

CAN-B
communi-
cation

ETACS-ECU

Pressure

sensor

Acc.

sensor

Battery

Head light,
Tail light

AH

SPECIAL TOOLS

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WIRELESS CONTROL MODULE (WCM)

42C-6

SPECIAL TOOLS

M1427501300024

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
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