Mitsubishi Galant 9G. Manual — part 1230
DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-24
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.
<Comment>
Harness disconnection or loose connection in red
displayed area is
estimated.
Diagnostic Item 22
Diagnose the lines between CAN main
bus line and the A/C-ECU.
<Comment>
Harness disconnection or loose connection in red
displayed area is
estimated.
Diagnostic Item 23
Diagnose the lines between CAN main
bus line and the SRS-ECU.
<Comment>
Harness disconnection or loose connection in red
displayed area is
estimated.
Diagnostic Item 24
Diagnose the lines between CAN main
bus line and the combination meter.
MUT-III SCREEN
DIAGNOSIS DETAILS
REFERENCE
PAGE
AC305791
: Red section on screen
AJ
MUT
ETACS
-ECU
AC-ECU
SRS-ECU
ABS-ECU
J/C
METER
-ECU
PCM
AC305791
: Red section on screen
AK
MUT
ETACS
-ECU
AC-ECU
SRS-ECU
ABS-ECU
J/C
METER
-ECU
PCM
AC305791
: Red section on screen
AL
MUT
ETACS
-ECU
AC-ECU
SRS-ECU
ABS-ECU
J/C
METER
-ECU
PCM
DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-25
Vehicles with ABS and vehicles with multi-center display (middle-grade type)
MUT-III SCREEN
DIAGNOSIS DETAILS
REFERENCE
PAGE
<Comment>
Short circuit to battery in red displayed area is
estimated.
Diagnostic Item 3
Diagnose shorts in the power supply to
CAN bus line <Vehicles with ABS and
vehicles with multi-center display
(middle-grade type)>
<Comment>
Grounding in red displayed area is
estimated.
Diagnostic Item 6
Diagnose shorts in the ground to CAN
bus line <Vehicles with ABS and
vehicles with multi-center display
(middle-grade type)>
<Comment>
Short circuit between CAN_H and CAN_L in red
displayed area is
estimated.
Diagnostic Item 9
Diagnose shorts between CAN_L and H
lines <Vehicles with ABS and vehicles
with multi-center display (middle-grade
type)>
AC305792
ETACS
-ECU
AC-ECU
: Red section on screen
PCM
SRS-ECU
METER
-ECU
AB
MUT
J/C
C.DISPLAY
ABS-ECU
AC305792
ETACS
-ECU
AC-ECU
: Red section on screen
PCM
SRS-ECU
METER
-ECU
AB
MUT
J/C
C.DISPLAY
ABS-ECU
AC305792
ETACS
-ECU
AC-ECU
: Red section on screen
PCM
SRS-ECU
METER
-ECU
AB
MUT
J/C
C.DISPLAY
ABS-ECU
DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-26
<Comment>
Disconnection in red displayed area is
estimated.
Diagnostic Item 11
Diagnose terminator resistors at both
ends <Vehicles with ABS>
MUT-III SCREEN
DIAGNOSIS DETAILS
REFERENCE
PAGE
AC305792
: Red section on screen
PCM
METER
-ECU
AC
MUT
J/C
ABS-ECU
ETACS
-ECU
AC-ECU
SRS-ECU
C.DISPLAY
DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-27
<Comment>
Malfunction of terminating resistance is
estimated.
Diagnostic Item 13
Diagnose a terminator resistor at either
end <Vehicles with ABS>
<Comment>
Disconnection, loose connection or terminating
resistance in red displayed area is
estimated.
<Comment>
Disconnection, loose connection or terminating
resistance in red displayed area is
estimated.
MUT-III SCREEN
DIAGNOSIS DETAILS
REFERENCE
PAGE
AC305792
: Red section on screen
PCM
METER
-ECU
AD
ETACS
-ECU
AC-ECU
SRS-ECU
C.DISPLAY
MUT
J/C
ABS-ECU
AC305792
: Red section on screen
PCM
METER
-ECU
AE
ETACS
-ECU
AC-ECU
SRS-ECU
C.DISPLAY
MUT
J/C
ABS-ECU
AC305792
: Red section on screen
PCM
METER
-ECU
AF
ETACS
-ECU
AC-ECU
SRS-ECU
C.DISPLAY
MUT
J/C
ABS-ECU
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