Mitsubishi 380. Manual - part 654

DIAGNOSIS

CONTROLLER AREA NETWORK (CAN)

54C-27

<Comment>
Harness disconnection or loose connection in red 
displayed area is 
estimated.

Diagnostic Item 9
Diagnose the lines between CAN main 
bus line and the Engine-ECU.

P.54C-367

<Comment>
Harness disconnection or loose connection in red 
displayed area is 
estimated.

Diagnostic Item 12
Diagnose the lines between CAN main 
bus line and the A/T-ECU.

P.54C-373

MUT-III SCREEN

DIAGNOSIS DETAILS

REFERENCE 
PAGE

16DB385A

: Red section on screen

ETACS

-ECU

AC-ECU

SRS-ECU

C.DISPLAY

MUT

J/C

ABS-ECU

METER

-ECU

ENGINE

-ECU

A/T-ECU

16DB386A

: Red section on screen

ETACS

-ECU

AC-ECU

SRS-ECU

C.DISPLAY

MUT

J/C

METER

-ECU

A/T-ECU

ABS-ECU

ENGINE

ECU

DIAGNOSIS

CONTROLLER AREA NETWORK (CAN)

54C-28

<Comment>
Harness disconnection or loose connection in red 
displayed area is 
estimated.

Diagnostic Item 11
Diagnose the lines between CAN main 
bus line and the ABS-ECU.

P.54C-378

<Comment>
Harness disconnection or loose connection in red 
displayed area is 
estimated.

Diagnostic Item 14
Diagnose the lines between CAN main 
bus line and the ETACS-ECU.

P.54C-385

MUT-III SCREEN

DIAGNOSIS DETAILS

REFERENCE 
PAGE

16DB387A

: Red section on screen

ETACS

-ECU

AC-ECU

SRS-ECU

C.DISPLAY

MUT

J/C

ABS-ECU

METER

-ECU

ENGINE

-ECU

A/T-ECU

16DB388A

: Red section on screen

ETACS

-ECU

AC-ECU

SRS-ECU

C.DISPLAY

MUT

J/C

METER

-ECU

ENGINE

-ECU

ABS-ECU

A/T-ECU

DIAGNOSIS

CONTROLLER AREA NETWORK (CAN)

54C-29

<Comment>
Harness disconnection or loose connection in red 
displayed area is 
estimated.

Diagnostic Item 13
Diagnose the lines between CAN main 
bus line and the multi-center display 

P.54C-389

<Comment>
Harness disconnection or loose connection in red 
displayed area is 
estimated.

Diagnostic Item 16
Diagnose the lines between CAN main 
bus line and the A/C-ECU.

P.54C-393

MUT-III SCREEN

DIAGNOSIS DETAILS

REFERENCE 
PAGE

16DB389A

: Red section on screen

ETACS

-ECU

AC-ECU

SRS-ECU

C.DISPLAY

MUT

J/C

METER

-ECU

ENGINE

-ECU

ABS-ECU

A/T-ECU

16DB390A

: Red section on screen

ETACS

-ECU

AC-ECU

SRS-ECU

C.DISPLAY

MUT

J/C

METER

-ECU

ENGINE

-ECU

ABS-ECU

A/T-ECU

DIAGNOSIS

CONTROLLER AREA NETWORK (CAN)

54C-30

NOTE: If the screen other than above is displayed, 
troubles are present at two or more spots. In this 
case, diagnose CAN bus lines by referring to the 
trouble spot pinpoint procedures.
NOTE: If a trouble cannot be solved after performing 
the diagnosis other than item 16, diagnose CAN bus 
line thoroughly.

NOTE: all screens above appear with vehicles incor-
porating automatic transmisssion ECU, therefore 
when diagnosing can bus on vehicles with manual 
transmission (M/T), the A/T ECU will not be dis-
played on screens.

<Comment>
Harness disconnection or loose connection in red 
displayed area is 
estimated.

Diagnostic Item 15
Diagnose the lines between CAN main 
bus line and the SRS-ECU.

P.54C-397

<Comment>
Harness disconnection or loose connection in red 
displayed area is 
estimated.

Diagnostic Item 16
Diagnose the lines between CAN main 
bus line and the combination meter.

P.54C-402

MUT-III SCREEN

DIAGNOSIS DETAILS

REFERENCE 
PAGE

16DB391A

: Red section on screen

ETACS

-ECU

AC-ECU

SRS-ECU

C.DISPLAY

MUT

J/C

METER

-ECU

ENGINE

-ECU

ABS-ECU

A/T-ECU

16DB392A

: Red section on screen

AC-ECU

SRS-ECU

C.DISPLAY

MUT

J/C

METER

-ECU

ENGINE

-ECU

ABS-ECU

ETACS

-ECU

A/T-ECU