Mitsubishi Colt Ralliart. Manual - part 296

TROUBLESHOOTING

CONTROLLER AREA NETWORK (CAN)

54D-13

TROUBLESHOOTING

CAN BUS DIAGNOSTICS TABLE

M1548300200497

This diagnosis applies only to the CAN bus lines. If a 
different system is defective, proceed to the applica-
ble diagnosis section for each system. Observe the 
diagnosis procedure below only when the CAN bus 
line is defective.

CAUTION

During diagnosis, a diagnosis code associated 
with another system may be set when the igni-
tion switch is turned on with connector(s) dis-
connected. After completing the repair, confirm 
all systems for diagnosis code(s). If diagnosis 
code(s) are set, erase them all.

M.U.T.-III Screen

Comment

Diagnosis Detail

Reference 
Page

<Vehicles without 
ASC>

AC204743

AC204743

METER/AC

ETACS

M.U.T.

J/C(1)

J/C(2)

ABS

EPS

ENG/CVT

AC204743AG

: Red section on screen

Short circuit to 
battery in red 
displayed area is 
estimated.

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

 

P.54D-24

<Vehicles with 
ASC>

AC601063

METER/AC

ETACS

SAS

M.U.T.

J/C(1)

J/C(2)

ASC

EPS

YR/G

ENG/CVT

AB

: Red section on screen

Main

Index

Group

TOC

TROUBLESHOOTING

CONTROLLER AREA NETWORK (CAN)

54D-14

<Vehicles without 
ASC>

AC204743

AC204743

METER/AC

ETACS

M.U.T.

J/C(1)

J/C(2)

ABS

EPS

ENG/CVT

AC204743AG

: Red section on screen

Grounding in red 
displayed area is 
estimated.

Diagnostic Item 2
Diagnose the CAN 
bus lines for short to 
earth.

 

P.54D-36

<Vehicles with 
ASC>

AC601063

METER/AC

ETACS

SAS

M.U.T.

J/C(1)

J/C(2)

ASC

EPS

YR/G

ENG/CVT

AB

: Red section on screen

M.U.T.-III Screen

Comment

Diagnosis Detail

Reference 
Page

Main

Index

Group

TOC

TROUBLESHOOTING

CONTROLLER AREA NETWORK (CAN)

54D-15

<Vehicles without 
ASC>

AC204743

AC204743

METER/AC

ETACS

M.U.T.

J/C(1)

J/C(2)

ABS

EPS

ENG/CVT

AC204743AG

: Red section on screen

Short circuit 
between CAN_H 
and CAN_L in red 
displayed area is 
estimated.

Diagnostic Item 3
Diagnose the lines 
between CAN_L and 
CAN_H for short 
circuit.

 

P.54D-48

<Vehicles with 
ASC>

AC601063

METER/AC

ETACS

SAS

M.U.T.

J/C(1)

J/C(2)

ASC

EPS

YR/G

ENG/CVT

AB

: Red section on screen

M.U.T.-III Screen

Comment

Diagnosis Detail

Reference 
Page

Main

Index

Group

TOC

TROUBLESHOOTING

CONTROLLER AREA NETWORK (CAN)

54D-16

<Vehicles without 
ASC>

AC204743

AC204743

METER/AC

ETACS

M.U.T.

J/C(1)

J/C(2)

ABS

EPS

ENG/CVT

AC204743AF

: Red section on screen

Terminating 
resistance trouble is 
estimated.

Diagnostic Item 4
Diagnose the 
terminator resistors 
at both ends.

 

P.54D-56

<Vehicles with 
ASC>

AC601063

METER/AC

ETACS

SAS

M.U.T.

J/C(1)

J/C(2)

ASC

EPS

YR/G

ENG/CVT

AC

: Red section on screen

M.U.T.-III Screen

Comment

Diagnosis Detail

Reference 
Page

Main

Index

Group

TOC