Mitsubishi Outlander GS45X. Manual - part 1318

DIAGNOSIS

TSB Revision

CONTROLLER AREA NETWORK (CAN)

54C-217

STEP 51. Using scan tool MB991958, diagnose the CAN 
bus line. (checking the CAN box unit for internal failure)

CAUTION

Strictly observe the specified wiring harness repair proce-
dure. For details refer to 

P.54C-7

.

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) Disconnect CAN box unit connector C-13.
(2) Connect scan tool MB991958 to the data link connector.
(3) Turn the ignition switch to the "ON" position.

(4) Diagnose CAN bus lines, and check if the scan tool 

MB991958 screen is as shown in the figure.

OK: The display of the scan tool MB991958 is as 
shown in the figure.

Q: Does scan tool MB991958 screen correspond to the 

illustration?
YES : Check intermediate connector C-17, and repair if 

necessary. If the intermediate connector is in good 
condition, repair the wiring harness between joint 
connector (CAN1) C-103 and CAN box unit connector 
C-13.

NO :  Check CAN box unit connector C-13, and repair if 

necessary. If the CAN box unit connector is in good 
condition, replace the CAN box unit.

ZC501967

AC404789

AC702802

MB991824

MB991827

MB991910

Data link

connector

AB

ACA02847AD

: Red section on screen

M.U.T.

JC

JC

SAS

AWC

ABS/ASC

AT/CVT

ENGINE

ETACS

JC

F.A.S.T.
/WCM

SRS

OCM

A/C

AUDIO

MMCS

Sat Radio

METER

DIAGNOSIS

TSB Revision

CONTROLLER AREA NETWORK (CAN)

54C-218

STEP 52. Using scan tool MB991958, diagnose the CAN 
bus line. (checking the satellite radio tuner for internal 
failure)

CAUTION

Strictly observe the specified wiring harness repair proce-
dure. For details refer to 

P.54C-7

.

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) Disconnect satellite radio tuner connector C-111.
(2) Connect scan tool MB991958 to the data link connector.
(3) Turn the ignition switch to the "ON" position.

(4) Diagnose CAN bus lines, and check if the scan tool 

MB991958 screen is as shown in the figure.

OK: The display of the scan tool MB991958 is as 
shown in the figure.

Q: Does scan tool MB991958 screen correspond to the 

illustration?
YES : Repair the wiring harness between joint connector 

(CAN1) C-103 and satellite radio tuner connector 
C-111.

NO :  Check satellite radio tuner connector C-111, and 

repair if necessary. If the satellite radio tuner 
connector is in good condition, replace the satellite 
radio tuner.

ZC501967

AC404789

AC702802

MB991824

MB991827

MB991910

Data link

connector

AB

ACA02847AD

: Red section on screen

M.U.T.

JC

JC

SAS

AWC

ABS/ASC

AT/CVT

ENGINE

ETACS

JC

F.A.S.T.
/WCM

SRS

OCM

A/C

AUDIO

MMCS

Sat Radio

METER

DIAGNOSIS

TSB Revision

CONTROLLER AREA NETWORK (CAN)

54C-219

STEP 53. Using scan tool MB991958, diagnose the CAN 
bus line. (trouble symptom check)

CAUTION

Strictly observe the specified wiring harness repair proce-
dure. For details refer to 

P.54C-7

.

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 the "ON" position.

(3) Diagnose CAN bus lines, and check if the scan tool 

MB991958 screen is as shown in the figure.

OK: The display of the scan tool MB991958 is as 
shown in the figure.

Q: Does scan tool MB991958 screen correspond to the 

illustration?
YES : The trouble can be an intermittent malfunction (Refer 

to GROUP 00, How to use 
Troubleshooting/inspection Service Points 

− How to 

Cope with Intermittent Malfunction 

P.00-15

).

NO :  Check the ETACS-ECU connector C-301, and repair 

if necessary. If the ETACS-ECU connector is in good 
condition, replace the ETACS-ECU.

ZC501967

AC404789

AC702802

MB991824

MB991827

MB991910

Data link

connector

AB

ACA02847AB

: Red section on screen

M.U.T.

JC

JC

SAS

AWC

F.A.S.T.
/WCM

SRS

OCM

A/C

AUDIO

MMCS

Sat Radio

METER

ABS/ASC

AT/CVT

ENGINE

ETACS

JC

CAN COMMUNICATION-RELATED DTC (U-CODE) TABLE

TSB Revision

CONTROLLER AREA NETWORK (CAN)

54C-220

CAN COMMUNICATION-RELATED DTC (U-CODE) TABLE

M1548300302207

Code 
No.

Diagnostic item

Output ECU

Action

U0001

Bus Off (CAN-C)

ECM, PCM, AWD-ECU, ABS-ECU, 
ASC-ECU, ETACS-ECU

CAN main bus line 
diagnostics

U0019

Bus Off (CAN-B)

KOS-ECU, WCM, SRS-ECU, 
Combination meter, Radio and CD 
player, Radio and CD changer, CAN box 
unit, Satellite radio tuner, A/C-ECU, 
ETACS-ECU

U0100

Engine time-out

PCM, AWD-ECU, ABS-ECU, ASC-ECU, 
Combination meter, ETACS-ECU

U0101

A/T time-out

ECM, ASC-ECU, ETACS-ECU

U0114

AWD-ECU time-out

ECM <3.0L Engine>, ABS-ECU, 
ASC-ECU, ETACS-ECU

U0121

ASC-ECU time-out

ECM, PCM, AWD-ECU, ETACS-ECU

U0125

G and yaw rate sensor message 
time-out/ message abnormality

ASC-ECU

U0126

Steering wheel sensor time-out

ASC-ECU, ETACS-ECU

U0141

ETACS-ECU time-out

ECM, PCM, AWD-ECU, ABS-ECU, 
ASC-ECU, SRS-ECU, KOS-ECU, WCM, 
Combination meter, Radio and CD 
player, Radio and CD changer, CAN box 
unit, Satellite radio tuner, A/C-ECU

U0151

SRS time-out

KOS-ECU, WCM, Combination meter, 
Radio and CD player, Radio and CD 
changer, CAN box unit, Satellite radio 
tuner, ETACS-ECU, A/C-ECU

U0154

Occupant Classification-ECU 
time-out

SRS-ECU, KOS-ECU, WCM, 
Combination meter, Radio and CD 
player, Radio and CD changer, Satellite 
radio tuner, ETACS-ECU, A/C-ECU

U0155

Meter time-out

KOS-ECU, WCM, SRS-ECU, Radio and 
CD player, Radio and CD changer, CAN 
box unit, Satellite radio tuner, 
ETACS-ECU, A/C-ECU

U0164

A/C time-out

KOS-ECU, WCM, SRS-ECU, 
Combination meter, Radio and CD 
player, Radio and CD changer, CAN box 
unit, Satellite radio tuner, ETACS-ECU

U0167

CAN immobilizer 
(communication)

ECM

U0168

WCM/KOS time-out

SRS-ECU, Combination meter, Radio 
and CD player, Radio and CD changer, 
CAN box unit, Satellite radio tuner, 
ETACS-ECU, A/C-ECU