Mitsubishi Colt Ralliart. Manual - part 298

TROUBLESHOOTING

CONTROLLER AREA NETWORK (CAN)

54D-21

<Vehicles without 
ASC>

AC204743

AC204743

METER/AC

ETACS

M.U.T.

J/C(1)

J/C(2)

ABS

EPS

ENG/CVT

AC204743AH

: Red section on screen

Disconnection in red 
displayed area is 
estimated.

Diagnostic Item 9
Diagnose when the 
M.U.T.-III cannot 
receive the data sent 
by ABS-ECU 
<vehicles without 
ASC> or ASC-ECU 
<vehicles with 
ASC>.

 

P.54D-71

<Vehicles with 
ASC>

AC601063

METER/AC

ETACS

SAS

M.U.T.

J/C(1)

J/C(2)

ASC

EPS

YR/G

ENG/CVT

AI

: Red section on screen

M.U.T.-III Screen

Comment

Diagnosis Detail

Reference 
Page

Main

Index

Group

TOC

TROUBLESHOOTING

CONTROLLER AREA NETWORK (CAN)

54D-22

<Vehicles without 
ASC>

AC204743

AC204743

METER/AC

ETACS

M.U.T.

J/C(1)

J/C(2)

ABS

EPS

ENG/CVT

AC204743AI

: Red section on screen

Disconnection in red 
displayed area is 
estimated.

Diagnostic Item 10
Diagnose when the 
M.U.T.-III cannot 
receive the data sent 
by EPS-ECU.

 

P.54D-75

<Vehicles with 
ASC>

AC601063

METER/AC

ETACS

SAS

M.U.T.

J/C(1)

J/C(2)

ASC

EPS

YR/G

ENG/CVT

AJ

: Red section on screen

<Vehicles without 
ASC>

AC601063

METER/AC

ETACS

SAS

M.U.T.

J/C(1)

J/C(2)

ASC

EPS

YR/G

ENG/CVT

AK

: Red section on screen

Disconnection in red 
displayed area is 
estimated.

Diagnostic Item 11
Diagnose when the 
M.U.T.-III cannot 
receive the data sent 
by G and yaw rate 
sensor.

 

P.54D-78

M.U.T.-III Screen

Comment

Diagnosis Detail

Reference 
Page

Main

Index

Group

TOC

TROUBLESHOOTING

CONTROLLER AREA NETWORK (CAN)

54D-23

<Vehicles without 
ASC>

AC601063

METER/AC

ETACS

SAS

M.U.T.

J/C(1)

J/C(2)

ASC

EPS

YR/G

ENG/CVT

AL

: Red section on screen

Disconnection in red 
displayed area is 
estimated.

Diagnostic Item 12
Diagnose when the 
M.U.T.-III cannot 
receive the data sent 
by steering wheel 
sensor.

 

P.54D-81

M.U.T.-III Screen

Comment

Diagnosis Detail

Reference 
Page

Main

Index

Group

TOC

TROUBLESHOOTING

CONTROLLER AREA NETWORK (CAN)

54D-24

CAN BUS DIAGNOSIS

Diagnostic Item 1: Diagnose the CAN bus lines for short to power supply.

CAUTION

When servicing a CAN bus line, earth yourself by touching a metal object such as an unpainted water 
pipe. If you fail to do, a component connected to the CAN bus line may be broken.

ETACS-ECU

STEERING WHEEL
SENSOR

COMBINATION
METER

DIAGNOSIS CONNECTOR

EPS-ECU

ABS-ECU

G AND YAW
RATE
SENSOR

ENGINE-ECU <M/T> OR
ENGINE-CVT-ECU <CVT>

NOTE

: VEHICLES WITHOUT ASC
: VEHICLES WITH ASC

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     PU : Purple

Main

Index

Group

TOC