Mitsubishi Grandis. Manual — part 486

DIAGNOSIS

CONTROLLER AREA NETWORK (CAN)

54D-42

<Comment>
Malfunction in red displayed area is estimated.
Please refer to service manual and inspect with
’CAN Detail
Diagnosis’.

Diagnostic Item 20
Diagnose CAN bus lines thoroughly
<RH drive vehicles with ASC>

P.54D-526

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

Diagnostic Item 22
Diagnose the lines between the joint
connectors (CAN1 and CAN2) <RH
drive vehicles>

P.54D-557

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

Diagnostic Item 23
Diagnose the lines from the main bus
line to the engine-ECU <M/T> or
engine-A/T-ECU <A/T>.

P.54D-562

MUT-III SCREEN

DIAGNOSIS DETAILS

REFERENCE
PAGE

AC309835

: Red section

on screen

MUT

J/C (2)

METER

ETACS

J/C (1)

ASC-ECU

ENG/AT-ECU

C. DISPLAY

A/C-ECU

STR. A.

SNSR

SRS-ECU

AC

AC309835

: Red section

on screen

MUT

J/C (2)

METER

ETACS

J/C (1)

ASC-ECU

ENG/AT-ECU

C. DISPLAY

A/C-ECU

STR. A.

SNSR

SRS-ECU

AE

AC309835

: Red section

on screen

MUT

J/C (2)

METER

ETACS

J/C (1)

ASC-ECU

ENG/AT-ECU

C. DISPLAY

A/C-ECU

STR. A.

SNSR

SRS-ECU

AJ

DIAGNOSIS

CONTROLLER AREA NETWORK (CAN)

54D-43

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

Diagnostic Item 25
Diagnose the lines between CAN main
bus line and the ASC-ECU <Vehicles
with ASC>

P.54D-571

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

Diagnostic Item 27
Diagnose the lines from the main bus
line to the combination meter <RH drive
vehicles>

P.54D-578

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

Diagnostic Item 29
Diagnose the lines from the main bus
line to the centre display <RH drive
vehicles>

P.54D-586

MUT-III SCREEN

DIAGNOSIS DETAILS

REFERENCE
PAGE

AC309835

: Red section

on screen

MUT

J/C (2)

METER

ETACS

J/C (1)

ASC-ECU

ENG/AT-ECU

C. DISPLAY

A/C-ECU

STR. A.

SNSR

SRS-ECU

AF

AC309835

: Red section

on screen

MUT

J/C (2)

METER

ETACS

J/C (1)

ASC-ECU

ENG/AT-ECU

C. DISPLAY

A/C-ECU

STR. A.

SNSR

SRS-ECU

AK

AC309835

: Red section

on screen

MUT

J/C (2)

METER

ETACS

J/C (1)

ASC-ECU

ENG/AT-ECU

C. DISPLAY

A/C-ECU

STR. A.

SNSR

SRS-ECU

AO

DIAGNOSIS

CONTROLLER AREA NETWORK (CAN)

54D-44

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

Diagnostic Item 31
Diagnose the lines from the main bus
line to the ETACS-ECU <RH drive
vehicles>

P.54D-594

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

Diagnostic Item 33
Diagnose the lines from the main bus
line to the A/C-ECU <RH drive vehicles>

P.54D-600

MUT-III SCREEN

DIAGNOSIS DETAILS

REFERENCE
PAGE

AC309835

: Red section

on screen

MUT

J/C (2)

METER

ETACS

J/C (1)

ASC-ECU

ENG/AT-ECU

C. DISPLAY

A/C-ECU

STR. A.

SNSR

SRS-ECU

AL

AC309835

: Red section

on screen

MUT

J/C (2)

METER

ETACS

J/C (1)

ASC-ECU

ENG/AT-ECU

C. DISPLAY

A/C-ECU

STR. A.

SNSR

SRS-ECU

AM

DIAGNOSIS

CONTROLLER AREA NETWORK (CAN)

54D-45

NOTE: If the diagnostic items other than No.20
cannot resolve the trouble, follow diagnostic item 20,
Diagnose CAN bus lines thoroughly.

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

Diagnostic Item 35
Diagnose the lines from the main bus
line to the SRS-ECU <RH drive
vehicles>

P.54D-606

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

Diagnostic Item 37
Diagnose the lines from the main bus
line to the steering wheel angle sensor
<RH drive vehicles>

P.54D-613

If the screen other than above is shown

Troubles are present at two or more
spots. Diagnose CAN bus lines by
referring to the trouble spot pinpoint
procedures. If the trouble still can not be
resolved, refer to diagnostic item 20,
Diagnose CAN bus lines thoroughly.

−

MUT-III SCREEN

DIAGNOSIS DETAILS

REFERENCE
PAGE

AC309835

: Red section

on screen

MUT

J/C (2)

METER

ETACS

J/C (1)

ASC-ECU

ENG/AT-ECU

C. DISPLAY

A/C-ECU

STR. A.

SNSR

SRS-ECU

AP

AC309835

: Red section

on screen

MUT

J/C (2)

METER

ETACS

J/C (1)

ASC-ECU

ENG/AT-ECU

C. DISPLAY

A/C-ECU

STR. A.

SNSR

SRS-ECU

AN