Mitsubishi Outlander (2013+). Manual - part 727

TROUBLESHOOTING

CONTROLLER AREA NETWORK (CAN)

54C-44

STEP 12. Check the CAN-C-Mid between joint 
connector (CAN-LO) and the radio and CD player. 
Voltage measurement at joint connector 
(CAN-LO).

NOTE: Steps 12 to 14 are only for vehicles with radio 
and CD player system. On vehicles without it, go to 
Step 15.

CAUTION

A digital multimeter should be used. For details 
refer to 

P.54C-5

.

CAUTION

The test wiring harness should be used. For 
details refer to 

P.54C-5

.

(1) Disconnect joint connector (CAN-LO), and 

measure at the wiring harness side.

(2) Connect the negative battery terminal, and turn 

the ignition switch to the ON position.

(3) Voltage between joint connector (CAN-LO) 

terminal No.7 (CAN_H) and body earth

OK: 4.0 V or less

(4) Voltage between joint connector (CAN-LO) 

terminal No.18 (CAN_L) and body earth

OK: 4.0 V or less

(5) Disconnect the negative battery terminal.

CAUTION

Strictly observe the specified wiring harness 
repair procedure. For details refer to 

P.54C-5

.

Q: Is the check result normal?

YES : 

<4.0 V or less> Go to Step 15.

NO : 

<More than 4.0 V> Go to Step 13.

STEP 13. M.U.T.-III CAN bus diagnostics [radio 
and CD player connector disconnected]
(1) Disconnect radio and CD player connector, and 

diagnose by using the M.U.T.-III.

ACC00053

M.U.T.

: Red section on screen

JC

ETACS

KOS

AUDIO

SRS

OSS

ABS/ASC

CVT

ENGINE

EPS

SAS

AWC

MMCS

A/C

ETG

METER

Corner

JC

JC

AB

(2) Diagnose CAN-C-Mid, and check if M.U.T.-III 

screen is as shown in the illustration.

Q: Does M.U.T.-III screen correspond to the 

illustration?

YES : 

Repair the wiring harness between joint 

connector (CAN-LO) and the radio and CD 
player connector.

NO : 

Check the radio and CD player connector, 
and repair if necessary. If the radio and CD 
player connector is in good condition, go to 
Step 14.

STEP 14. M.U.T.-III CAN bus diagnostics (retest 
the system)
Diagnose CAN-C-Mid, and check if M.U.T.-III screen 
shows normal state.

Q: Is the check result normal?

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 ).

NO : 

Check the radio and CD player connector, 
and repair if necessary. If the radio and CD 
player connector is in good condition, 
replace the radio and CD player.

STEP 15. Check the CAN-C-Mid between joint 
connector (CAN-LO) and the CAN box unit. 
Voltage measurement at joint connector 
(CAN-LO).

NOTE: Steps 15 to 17 are only for vehicles with 
MMCS. On vehicles without it, go to Step 18 .

CAUTION

A digital multimeter should be used. For details 
refer to 

P.54C-5

.

CAUTION

The test wiring harness should be used. For 
details refer to 

P.54C-5

.

(1) Disconnect joint connector (CAN-LO), and 

measure at the wiring harness side.

(2) Connect the negative battery terminal, and turn 

the ignition switch to the ON position.

(3) Voltage between joint connector (CAN-LO) 

terminal No.3 (CAN_H) and body earth

OK: 4.0 V or less

(4) Voltage between joint connector (CAN-LO) 

terminal No.14 (CAN_L) and body earth

OK: 4.0 V or less

(5) Disconnect the negative battery terminal.

CAUTION

Strictly observe the specified wiring harness 
repair procedure. For details refer to 

P.54C-5

.

Q: Is the check result normal?

TROUBLESHOOTING

CONTROLLER AREA NETWORK (CAN)

54C-45

YES : 

<4.0 V or less> Go to Step 18.

NO  : 

<More than 4.0 V> Go to Step 16.

STEP 16. M.U.T.-III CAN bus diagnostics [CAN 
box unit connector disconnected]
(1) Disconnect CAN box unit connector, and 

diagnose by using the M.U.T.-III.

ACC00053

M.U.T.

: Red section on screen

JC

ETACS

KOS

AUDIO

SRS

OSS

ABS/ASC

CVT

ENGINE

EPS

SAS

AWC

MMCS

A/C

ETG

METER

Corner

JC

JC

AB

(2) Diagnose CAN-C-Mid, and check if M.U.T.-III 

screen is as shown in the illustration.

Q: Does M.U.T.-III screen correspond to the 

illustration?
YES : 

Repair the wiring harness between joint 

connector (CAN-LO) and the CAN box unit 
connector.

NO : 

Check the CAN box unit connector, and 
repair if necessary. If the CAN box unit 
connector is in good condition, go to Step 
17.

STEP 17. M.U.T.-III CAN bus diagnostics (retest 
the system)
Diagnose CAN-C-Mid, and check if M.U.T.-III screen 
shows normal state.

Q: Is the check result normal?

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 ).

NO : 

Check the CAN box unit connector, and 
repair if necessary. If the CAN box unit 
connector is in good condition, replace the 
CAN box unit.

STEP 18. Check the CAN-C-Mid between joint 
connector (CAN-LO) and the OSS-ECU. Voltage 
measurement at joint connector (CAN-LO).

NOTE: Steps 18 to 20 are only for vehicles with 
OSS. On vehicles without it, go to Step 21.

CAUTION

A digital multimeter should be used. For details 
refer to 

P.54C-5

.

CAUTION

The test wiring harness should be used. For 
details refer to 

P.54C-5

.

(1) Disconnect joint connector (CAN-LO), and 

measure at the wiring harness side.

(2) Connect the negative battery terminal, and turn 

the ignition switch to the ON position.

(3) Voltage between joint connector (CAN-LO) 

terminal No.10 (CAN_H) and body earth

OK: 4.0 V or less

(4) Voltage between joint connector (CAN-LO) 

terminal No.21 (CAN_L) and body earth

OK: 4.0 V or less

(5) Disconnect the negative battery terminal.

CAUTION

Strictly observe the specified wiring harness 
repair procedure. For details refer to 

P.54C-5

.

Q: Is the check result normal?

YES : 

<4.0 V or less> Go to Step 21.

NO : 

<More than 4.0 V> Go to Step 19.

STEP 19. M.U.T.-III CAN bus diagnostics 
[OSS-ECU connector disconnected]
(1) Disconnect OSS-ECU connector, and diagnose 

by using the M.U.T.-III.

ACC00053

M.U.T.

: Red section on screen

JC

ETACS

KOS

AUDIO

SRS

OSS

ABS/ASC

CVT

ENGINE

EPS

SAS

AWC

MMCS

A/C

ETG

METER

Corner

JC

JC

AB

(2) Diagnose CAN-C-Mid, and check if M.U.T.-III 

screen is as shown in the illustration.

Q: Does M.U.T.-III screen correspond to the 

illustration?

TROUBLESHOOTING

CONTROLLER AREA NETWORK (CAN)

54C-46

YES : 

Repair the wiring harness between joint 

connector (CAN-LO) and the OSS-ECU 
connector.

NO : 

Check the OSS-ECU connector, and repair 
if necessary. If the OSS-ECU connector is in 
good condition, go to Step 20.

STEP 20. M.U.T.-III CAN bus diagnostics (retest 
the system)
Diagnose CAN-C-Mid, and check if M.U.T.-III screen 
shows normal state.

Q: Is the check result normal?

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 ).

NO : 

Check the OSS-ECU connector, and repair 
if necessary. If the OSS-ECU connector is in 
good condition, replace the OSS-ECU.

STEP 21. Check the CAN-C-Mid between joint 
connector (CAN-LO) and the KOS-ECU. Voltage 
measurement at joint connector (CAN-LO).

NOTE: Steps 21 to 23 are only for vehicles with 
KOS. On vehicles without it, go to Step 24.

CAUTION

A digital multimeter should be used. For details 
refer to 

P.54C-5

.

CAUTION

The test wiring harness should be used. For 
details refer to 

P.54C-5

.

(1) Disconnect joint connector (CAN-LO), and 

measure at the wiring harness side.

(2) Connect the negative battery terminal, and turn 

the ignition switch to the ON position.

(3) Voltage between joint connector (CAN-LO) 

terminal No.5 (CAN_H) and body earth

OK: 4.0 V or less

(4) Voltage between joint connector (CAN-LO) 

terminal No.16 (CAN_L) and body earth

OK: 4.0 V or less

(5) Disconnect the negative battery terminal.

CAUTION

Strictly observe the specified wiring harness 
repair procedure. For details refer to 

P.54C-5

.

Q: Is the check result normal?

YES : 

<4.0 V or less> Go to Step 24.

NO : 

<More than 4.0 V> Go to Step 22.

STEP 22. M.U.T.-III CAN bus diagnostics 
[KOS-ECU connector disconnected]
(1) Disconnect KOS-ECU connector, and diagnose 

by using the M.U.T.-III.

ACC00053

M.U.T.

: Red section on screen

JC

ETACS

KOS

AUDIO

SRS

OSS

ABS/ASC

CVT

ENGINE

EPS

SAS

AWC

MMCS

A/C

ETG

METER

Corner

JC

JC

AB

(2) Diagnose CAN-C-Mid, and check if M.U.T.-III 

screen is as shown in the illustration.

Q: Does M.U.T.-III screen correspond to the 

illustration?
YES : 

Repair the wiring harness between joint 

connector (CAN-LO) and the KOS-ECU 
connector.

NO : 

Check the KOS-ECU connector, and repair 
if necessary. If the KOS-ECU connector is in 
good condition, go to Step 23.

STEP 23. M.U.T.-III CAN bus diagnostics (retest 
the system)
Diagnose CAN-C-Mid, and check if M.U.T.-III screen 
shows normal state.

Q: Is the check result normal?

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 ).

NO : 

Check the KOS-ECU connector, and repair 
if necessary. If the KOS-ECU connector is in 
good condition, replace the KOS-ECU.

STEP 24. Check the CAN-C-Mid between joint 
connector (CAN-LO) and the combination meter. 
Voltage measurement at joint connector 
(CAN-LO).

CAUTION

A digital multimeter should be used. For details 
refer to 

P.54C-5

.

CAUTION

The test wiring harness should be used. For 
details refer to 

P.54C-5

.

(1) Disconnect joint connector (CAN-LO), and 

TROUBLESHOOTING

CONTROLLER AREA NETWORK (CAN)

54C-47

measure at the wiring harness side.

(2) Connect the negative battery terminal, and turn 

the ignition switch to the ON position.

(3) Voltage between joint connector (CAN-LO) 

terminal No.9 (CAN_H) and body earth

OK: 4.0 V or less

(4) Voltage between joint connector (CAN-LO) 

terminal No.20 (CAN_L) and body earth

OK: 4.0 V or less

(5) Disconnect the negative battery terminal.

Q: Is the check result normal?

YES : 

<4.0 V or less> Repair intermediate 

connector C-26.

NO : 

<More than 4.0 V> Repair the wiring 
harness between joint connector (CAN-LO) 
and the combination meter connector.

STEP 25. M.U.T.-III CAN bus diagnostics 
[combination meter connector disconnected]
(1) Disconnect combination meter connector and 

diagnose by using the M.U.T.-III.

ACC00053

M.U.T.

: Red section on screen

JC

ETACS

KOS

AUDIO

SRS

OSS

ABS/ASC

CVT

ENGINE

EPS

SAS

AWC

MMCS

A/C

ETG

METER

Corner

JC

JC

AB

(2) Diagnose CAN-C-Mid, and check if M.U.T.-III 

screen is as shown in the illustration.

Q: Does M.U.T.-III screen correspond to the 

illustration?
YES : 

Go to Step 27

NO : 

Check the combination meter connector, 
and repair if necessary. If the combination 
meter connector is in good condition, go to 
Step 26.

STEP 26. M.U.T.-III CAN bus diagnostics (retest 
the system)
Diagnose CAN-C-Mid, and check if M.U.T.-III screen 
shows normal state.

Q: Is the check result normal?

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 ).

NO : 

Check the combination meter connector, 
and repair if necessary. If the combination 
meter connector is in good condition, 
replace the combination meter.

STEP 27. M.U.T.-III CAN bus diagnostics 
[ETACS-ECU connector disconnected]
(1) Disconnect ETACS-ECU connector, and 

diagnose by using the M.U.T.-III.

ACC00053

M.U.T.

: Red section on screen

JC

ETACS

KOS

AUDIO

SRS

OSS

ABS/ASC

CVT

ENGINE

EPS

SAS

AWC

MMCS

A/C

ETG

METER

Corner

JC

JC

AB

(2) Diagnose CAN-C-Mid, and check if M.U.T.-III 

screen is as shown in the illustration.

Q: Does M.U.T.-III 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 ).

NO : 

Check the ETACS-ECU connector, and 
repair if necessary. If the ETACS-ECU 
connector is in good condition, go to Step 
28.

STEP 28. M.U.T.-III CAN bus diagnostics (retest 
the system)
Diagnose CAN-C-Mid, and check if M.U.T.-III screen 
shows normal state.

Q: Is the check result normal?