Mitsubishi 380. Manual - part 652

DIAGNOSIS

CONTROLLER AREA NETWORK (CAN)

54C-19

<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

16DB373A

: Red section on screen

MUT

ETACS

-ECU

AC-ECU

SRS-ECU

ABS-ECU

J/C

METER

-ECU

ENGINE

-ECU

A/T-ECU

16DB374A

: Red section on screen

MUT

ETACS

-ECU

AC-ECU

SRS-ECU

A/T-ECU

J/C

METER

-ECU

ENGINE

ECU

ABS-ECU

DIAGNOSIS

CONTROLLER AREA NETWORK (CAN)

54C-20

<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

16DB375A

: Red section on screen

MUT

ETACS

-ECU

AC-ECU

SRS-ECU

ABS-ECU

J/C

METER

-ECU

ENGINE

-ECU

A/T-ECU

16DB376A

: Red section on screen

MUT

ETACS

-ECU

AC-ECU

SRS-ECU

ABS-ECU

J/C

METER

-ECU

ENGINE

-ECU

A/T-ECU

DIAGNOSIS

CONTROLLER AREA NETWORK (CAN)

54C-21

<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

<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

MUT-III SCREEN

DIAGNOSIS DETAILS

REFERENCE 
PAGE

16DB377A

: Red section on screen

MUT

ETACS

-ECU

AC-ECU

SRS-ECU

ABS-ECU

J/C

METER

-ECU

ENGINE

-ECU

A/T-ECU

16DB378A

: Red section on screen

MUT

ETACS

-ECU

AC-ECU

SRS-ECU

ABS-ECU

J/C

METER

-ECU

ENGINE

-ECU

A/T-ECU

DIAGNOSIS

CONTROLLER AREA NETWORK (CAN)

54C-22

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 15, diagnose CAN bus 
line thoroughly.

Vehicles with multi-center display 

<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

16DB379A

: Red section on screen

MUT

ETACS

-ECU

AC-ECU

SRS-ECU

ABS-ECU

J/C

METER

-ECU

ENGINE

-ECU

A/T-ECU

MUT-III SCREEN

DIAGNOSIS DETAILS

REFERENCE 
PAGE

<Comment>
Short circuit to battery in red displayed area is 
estimated.

Diagnostic Item 2
Diagnose shorts in the power supply to 
CAN bus line <Vehicles with 
multi-center display >

P.54C-81

16DB380A

ETACS

-ECU

AC-ECU

: Red section on screen

ENGINE

-ECU

SRS-ECU

METER

-ECU

MUT

J/C

C.DISPLAY

ABS-ECU

A/T-ECU