Mitsubishi Outlander (2013+). Manual — part 721

TROUBLESHOOTING

CONTROLLER AREA NETWORK (CAN)

54C-20

STEP 4. Check the CAN-C between joint
connector (CAN1) and the CVT-ECU. Voltage
measurement at joint connector (CAN1).

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 (CAN1), 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 (CAN1) terminal

No.6 (CAN_H) and body earth

OK: 4.0 V or less

(4) Voltage between joint connector (CAN1) terminal

No.17 (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> Go to Step 7.

NO :

<More than 4.0 V> Go to Step 5.

STEP 5. M.U.T.-III CAN bus diagnostics [CVT-ECU
connector disconnected]
(1) Disconnect CVT-ECU connector, and diagnose

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

ACC00052

ACC00052

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, 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 (CAN1) and the CVT-ECU
connector.

NO :

Check the CVT-ECU connector, and repair if
necessary. If the CVT-ECU connector is in
good condition, go to Step 6.

STEP 6. M.U.T.-III CAN bus diagnostics (retest the
system)
Diagnose CAN-C, 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 CVT-ECU connector, and repair if
necessary. If the CVT-ECU connector is in
good condition, replace the CVT-ECU.

STEP 7. Check the CAN-C between joint
connector (CAN1) and the EPS-ECU. Voltage
measurement at joint connector (CAN1).

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 (CAN1), 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 (CAN1) terminal

No.8 (CAN_H) and body earth

OK: 4.0 V or less

(4) Voltage between joint connector (CAN1) terminal

No.19 (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> Go to Step 10.

NO :

<More than 4.0 V> Go to Step 8.

STEP 8. M.U.T.-III CAN bus diagnostics [EPS-ECU
connector disconnected]
(1) Disconnect EPS-ECU connector, and diagnose

TROUBLESHOOTING

CONTROLLER AREA NETWORK (CAN)

54C-21

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

ACC00052

ACC00052

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, 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 (CAN1) and the EPS-ECU
connector.

NO :

Check the EPS-ECU connector, and repair
if necessary. If the EPS-ECU connector is in
good condition, go to Step 9.

STEP 9. M.U.T.-III CAN bus diagnostics (retest the
system)
Diagnose CAN-C, 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 EPS-ECU connector, and repair
if necessary. If the EPS-ECU connector is in
good condition, replace the EPS-ECU.

STEP 10. Check the CAN-C between joint
connector (CAN1) and the ABS-ECU <vehicles
without ASC> or ASC-ECU <vehicles with ASC>.
Voltage measurement at joint connector (CAN1).

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 (CAN1), 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 (CAN1) terminal

No.9 (CAN_H) and body earth

OK: 4.0 V or less

(4) Voltage between joint connector (CAN1) 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-126, or the wiring harness
between joint connector (CAN1) and the
intermediate connector C-126.

NO :

<More than 4.0 V> Go to Step 11.

STEP 11. M.U.T.-III CAN bus diagnostics
[ABS-ECU <vehicles without ASC> or ASC-ECU
<vehicles with ASC> connector disconnected]
(1) Disconnect ABS-ECU <vehicles without ASC> or

ASC-ECU <vehicles with ASC> connector, and
diagnose by using the M.U.T.-III.

ACC00052

ACC00052

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, 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 (CAN1) and the ABS-ECU
<vehicles without ASC> or ASC-ECU
<vehicles with ASC> connector.

NO :

Check the ABS-ECU <vehicles without
ASC> or ASC-ECU <vehicles with ASC>
connector, and repair if necessary. If the
ABS-ECU <vehicles without ASC> or
ASC-ECU <vehicles with ASC> connector is
in good condition, go to Step 12.

STEP 12. M.U.T.-III CAN bus diagnostics (retest
the system)
Diagnose CAN-C, and check if M.U.T.-III screen
shows normal state.

Q: Is the check result normal?

TROUBLESHOOTING

CONTROLLER AREA NETWORK (CAN)

54C-22

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 ABS-ECU <vehicles without
ASC> or ASC-ECU <vehicles with ASC>
connector, and repair if necessary. If the
ABS-ECU <vehicles without ASC> or
ASC-ECU <vehicles with ASC> connector is
in good condition, replace the ABS-ECU
<vehicles without ASC> or ASC-ECU
<vehicles with ASC>.

STEP 13. Check the CAN-C between joint
connector (CAN-HI) and the ETACS-ECU. Voltage
measurement at joint connector (CAN-HI).

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-HI), 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-HI)

terminal No.11 (CAN_H) and body earth

OK: 4.0 V or less

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

terminal No.22 (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 <2WD> :

<4.0 V or less> Go to Step 17.

YES <4WD> :

<4.0 V or less> Go to Step 14.

NO :

<More than 4.0 V> Repair the wiring
harness between joint connector (CAN-HI)
and the ETACS-ECU connector.

STEP 14. Check the CAN-C between joint
connector (CAN-HI) and the 4WD-ECU. Voltage
measurement at joint connector (CAN-HI).

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-HI), 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-HI)

terminal No.5 (CAN_H) and body earth

OK: 4.0 V or less

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

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 17.

NO :

<More than 4.0 V> Go to Step 15.

STEP 15. M.U.T.-III CAN bus diagnostics
[4WD-ECU connector disconnected]
(1) Disconnect 4WD-ECU connector, and diagnose

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

ACC00052

ACC00052

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, 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-23

YES :

Check the intermediate connector, and

repair if necessary. If the intermediate
connector is in good condition, repair the
wiring harness between joint connector
(CAN-HI) and the 4WD-ECU connector.

NO :

Check the 4WD-ECU connector, and repair
if necessary. If the 4WD-ECU connector is
in good condition, go to Step 16.

STEP 16. M.U.T.-III CAN bus diagnostics (retest
the system)
Diagnose CAN-C, 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 4WD-ECU connector, and repair
if necessary. If the 4WD-ECU connector is
in good condition, replace the 4WD-ECU.

STEP 17. Check the CAN-C between joint
connector (CAN-HI) and the steering wheel
sensor. Voltage measurement at joint connector
(CAN-HI).

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-HI), 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-HI)

terminal No.6 (CAN_H) and body earth

OK: 4.0 V or less

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

terminal No.17 (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 20.

NO :

<More than 4.0 V> Go to Step 18.

STEP 18. M.U.T.-III CAN bus diagnostics [steering
wheel sensor connector disconnected]
(1) Disconnect steering wheel sensor connector, and

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

ACC00052

ACC00052

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, 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-HI) and the steering wheel
sensor connector.

NO :

Check the steering wheel sensor connector,
and repair if necessary. If the steering wheel
sensor connector is in good condition, go to
Step 19.

STEP 19. M.U.T.-III CAN bus diagnostics (retest
the system)
Diagnose CAN-C, 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 steering wheel sensor connector,
and repair if necessary. If the steering wheel
sensor connector is in good condition,
replace the steering wheel sensor.