Mitsubishi Galant (2004+). Manual - part 1453

 

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Mitsubishi Galant (2004+). Manual - part 1453

 

 

COMBINATION METER ASSEMBLY AND VEHICLE SPEED SENSOR

TSB Revision

CHASSIS ELECTRICAL

54A-55

1. Connect scan tool MB991958 to the data link connector.
2. Turn the ignition switch to "ON" position.
3. Select "Interactive Diagnosis" from the start-up screen.
4. Select "System select."
5. Choose "Meter" from the "BODY" tab.
6. Select "Diagnostic Trouble Code."
7. If a DTC is set, it is shown.
8. Choose "Erase DTCs" to erase the DTC.

HOW TO DIAGNOSE THE CAN BUS LINES

Required Special Tools:

• MB991958: Scan Tool (MUT-III Sub Assembly)

• MB991824: Vehicle Communication Interface (V.C.I.)

• MB991827: MUT-III USB Cable

• MB991911: MUT-III Main Harness A (Vehicles with CAN 

communication system)

CAUTION

To prevent damage to scan tool MB991958, always turn the 
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
1. Connect scan tool MB991958 to the data link connector.
2. Turn the ignition switch to "ON" position.
3. Select "CAN bus diagnosis" from the start-up screen.
4. When the vehicle information is displayed, confirm that it 

matches the vehicle whose CAN bus lines will be 
diagnosed.

• If they matches, go to step 8.

• If not, go to step 5.

5. Select "view vehicle information" button.
6. Enter the vehicle information and select the "OK" button.
7. When the vehicle information is displayed, confirm again 

that it matches the vehicle whose CAN bus lines will be 
diagnosed.

• If they matches, go to step 8.

• If not, go to step 5.

8. Select the "OK" button.
9. When the optional equipment is displayed, choose the one 

which the vehicle is fitted with, and then select the "OK" 
button.

AC305412

AB

MB991910

DATA LINK

CONNECTOR

MB991824

MB991827

AC305412

AB

MB991910

DATA LINK

CONNECTOR

MB991824

MB991827

COMBINATION METER ASSEMBLY AND VEHICLE SPEED SENSOR

TSB Revision

CHASSIS ELECTRICAL

54A-56

DIAGNOSTIC TROUBLE CODE CHART

M1543007100440

CAUTION

During diagnosis, a DTC code associated with 
other system may be set when the ignition switch 
is turned on with connector(s) disconnected. On 
completion, confirm all systems for DTC code(s). 
If DTC code(s) are set, erase them all.

DTC NO. Diagnostic item

REFERENCE PAGE

U1073

Bus off

P.54A-57

U1100

Powertrain control module time-out (related to engine)

P.54A-60

U1101

Powertrain control module time-out (related to A/T)

U1102

ABS-ECU time-out

P.54A-63

U1109

ETACS-ECU time-out

P.54A-66

U1112

SRS-ECU time-out

P.54A-70

U1120

Failure information on powertrain control module (related to engine)

P.54A-72

U1206

Flag invalid

P.54A-75

COMBINATION METER ASSEMBLY AND VEHICLE SPEED SENSOR

TSB Revision

CHASSIS ELECTRICAL

54A-57

DIAGNOSTIC TROUBLE CODE PROCEDURES

DTC U1073: Bus Off

WITHOUT ELECTRONIC 
BRAKE-FORCE 
DISTRIBUTION (EBD) 
AND ANTI-LOCK 
BRAKING SYSTEM 
(ABS)

WITHOUT ELECTRONIC 
BRAKE-FORCE 
DISTRIBUTION (EBD) 
AND ANTI-LOCK 
BRAKING SYSTEM 
(ABS)

WITH ELECTRONIC 
BRAKE-FORCE 
DISTRIBUTION (EBD) 
AND ANTI-LOCK 
BRAKING SYSTEM 
(ABS)

WITH ELECTRONIC 
BRAKE-FORCE 
DISTRIBUTION (EBD) 
AND ANTI-LOCK 
BRAKING SYSTEM 
(ABS)

ABS-ECU OR ABS/TCL-ECU

JOINT 
CONNECTOR (3)

POWERTRAIN 
CONTROL 
MODULE

COMBINATION 
METER

CPU

DATA LINK CONNECTOR

Combinaton Meter CAN-BUS Line Circuit

COMBINATION METER ASSEMBLY AND VEHICLE SPEED SENSOR

TSB Revision

CHASSIS ELECTRICAL

54A-58

CAUTION

If DTC U1073 is set in the combination meter, 
always diagnose the CAN bus lines.

CAUTION

Whenever the ECU is replaced, ensure that the 
communication circuit is normal.

.

CIRCUIT OPERATION
Some instruments of the combination meter are 
linked to the CAN bus line. Both the combination 
meter and the powertrain control module have a ter-
minator resistor.

.

DTC SET CONDITION
If the combination meter ceases communicating 
once (i.e. bus off) and then returns to it, the combina-
tion meter will not communicate for five minutes 
immediately after that point. This five minute period 
is called "Penalty mode." Immediately after the com-
bination meter returns to communication, the DTC is 
set.

.

TECHNICAL DESCRIPTION (COMMENT)
The wiring harness or connectors may have loose, 
corroded, or damage terminals, or terminals pushed 
back in the connector, or the combination meter may 
be defective.

.

TROUBLESHOOTING HINTS

• The wiring harness or connectors may have 

loose, corroded, or damaged terminals, or termi-
nals pushed back in the connector.

• Malfunction of combination meter.  

DIAGNOSIS

Required Special Tools:

• MB991958: Scan Tool (MUT-III Sub Assembly)

• MB991824: Vehicles Communication Interface (V.C.I.)

• MB991827: MUT-III USB Cable

• MB991911: MUT-III Main Harness A (Vehicles with CAN 

communication system)

AC305206

CONNECTOR: A-02

AO

A-02 (GR)

AC305216

B-19 (B)

CONNECTOR: B-19

AD

AC305231

C-02

C-29

C-101

C-125 (B)

DC

CONNECTORS: C-02, C-29, C-101, C-125

 

 

 

 

 

 

 

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