Mitsubishi Outlander (2013+). Manual - part 415

TROUBLESHOOTING

ELECTRONICALLY CONTROLLED 4WD

27C-30

STEP 2. Battery terminal check
Check that the battery terminal is not loose.

Q: Is the check result normal?

YES : 

Go to Step 3.

NO : 

Securely install the battery terminal. Then 
go to Step 3.

STEP 3. Check the charging system.
Refer to GROUP 16 

− Charging System .

Q: Is the check result normal?

YES : 

Go to Step 4.

NO : 

Repair or replace the charging system 
component(s).

STEP 4. Check the battery.
Refer to GROUP 54A 

− Battery Test .

Q: Is the check result normal?

YES : 

Go to Step 5.

NO : 

Replace the battery. Then go to Step 5.

STEP 5. Voltage measurement at 4WD-ECU 
connector
Disconnect the connector, and measure the voltage 
between terminal BATT and body earth at the wiring 
harness side.

OK: System voltage

Q: Is the check result normal?

YES : 

Go to Step 6.

NO : 

Repair the defective connector or the wiring 
harness. Then go to Step 7.

STEP 6. M.U.T.-III data list.
Check the following data list (Refer to 

P.27C-45

).

• Item No.31: Battery voltage (CAN input)

Q: Is the check result normal?

YES : 

Intermittent malfunction (Refer to GROUP 

00 

− How to Cope with Intermittent 

Malfunction ).

NO : 

Replace the 4WD-ECU (Refer to 

P.27C-51

). 

Then go to Step 7.

STEP 7. Check whether the diagnosis code is 
reset.

Q: Is diagnosis code No.C2101 set?

YES : 

Return to Step 1.

NO : 

This diagnosis is complete.

Code No.C2205: Steering Wheel Sensor Internal Error

CAUTION

• If there is any problem in the CAN bus lines, 

an incorrect diagnosis code may be set. Prior 
to this diagnosis, diagnose the CAN bus 
lines.

• Whenever the ECU is replaced, ensure that 

the CAN bus lines are normal.

• When the steering wheel sensor is replaced, 

calibrate the steering wheel sensor (Refer to 
GROUP 35C 

− On-vehicle Service ), and reset 

the steering wheel sensor correction amount 
stored in the 4WD-ECU. (Item No. 1: SAS 
adjusted value 

P.27C-48

).

OPERATION

4WD-ECU communicates with the steering wheel 
sensor via the CAN bus lines.

DIAGNOSIS CODE SET CONDITION

This diagnosis code is set when the abnormality 
below is detected:

• The failure status information by the self-diagno-

sis of the steering wheel sensor.

PROBABLE CAUSES

• Malfunction of the steering wheel sensor

• Malfunction of 4WD-ECU

DIAGNOSIS PROCEDURE

STEP 1. M.U.T.-III CAN bus diagnostics.
Use M.U.T.-III to perform the CAN bus diagnosis.

Q: Is the check result normal?

YES : 

Go to Step 3.

NO : 

Repair the CAN bus lines (Refer to GROUP 
54C 

− Troubleshooting ). After repairing the 

CAN bus line, go to Step 2.

TROUBLESHOOTING

ELECTRONICALLY CONTROLLED 4WD

27C-31

STEP 2. Check whether the diagnosis code is 
reset.

Q: Is diagnosis code No.C2205 set?

YES : 

Go to Step 3.

NO : 

This diagnosis is complete.

STEP 3. M.U.T.-III data list.
Check the following data list (Refer to 

P.27C-45

).

• Item No.8: Steering angle sensor 

Q: Is the check result normal?

YES : 

Go to Step 4.

NO : 

Replace the steering wheel sensor (Refer to 
GROUP 35C 

− Steering Wheel Sensor ). 

Then go to Step 5.

STEP 4. Check whether the diagnosis code is 
reset.

Q: Is diagnosis code No.C2205 set?

YES : 

Replace the 4WD-ECU (Refer to 

P.27C-51

). 

Then go to Step 5.

NO : 

Intermittent malfunction (Refer to GROUP 
00 

− How to Cope with Intermittent 

Malfunction ).

STEP 5. Check whether the diagnosis code is 
reset.

Q: Is diagnosis code No.C2205 set?

YES : 

Return to Step 1.

NO : 

This diagnosis is complete.

Code No.U0100: Engine CAN Timeout

CAUTION

• If there is any problem in the CAN bus lines, 

an incorrect diagnosis code may be set. Prior 
to this diagnosis, diagnose the CAN bus 
lines.

• Whenever the ECU is replaced, ensure that 

the CAN bus lines are normal.

OPERATION

4WD-ECU communicates with the engine-ECU via 
the CAN bus lines.

DIAGNOSIS CODE SET CONDITION

This diagnosis code is set when the abnormality 
below is detected:

• The signal sent from the engine-ECU cannot be 

received for a certain period.

PROBABLE CAUSES

• Malfunction of the CAN bus line

• Malfunction of power supply circuit system 

(engine-ECU)

• Malfunction of ECU (engine-ECU)

• Malfunction of 4WD-ECU

DIAGNOSIS PROCEDURE

STEP 1. M.U.T.-III CAN bus diagnostics.
Use M.U.T.-III to perform the CAN bus diagnosis.

Q: Is the check result normal?

YES : 

Go to Step 2.

NO : 

Repair the CAN bus lines (Refer to GROUP 
54C 

− Troubleshooting ). After repairing the 

CAN bus line, go to Step 2.

STEP 2. M.U.T.-III other system diagnosis code.
Check the engine diagnosis code (Refer to GROUP 
13A 

−Troubleshooting ).

Q: Is the diagnosis code set?

YES : 

Perform the relevant troubleshooting.

NO : 

Go to Step 3.

STEP 3. Check whether the diagnosis code is 
reset.

Q: Is diagnosis code No.U0100 set?

YES : 

Replace the 4WD-ECU (Refer to 

P.27C-51

). 

Then go to Step 4.

NO : 

Intermittent malfunction (Refer to GROUP 
00 

− How to Cope with Intermittent 

Malfunction ).

STEP 4. Check whether the diagnosis code is 
reset.

Q: Is diagnosis code No.U0100 set?

YES : 

Return to Step 1.

NO : 

This diagnosis is complete.

TROUBLESHOOTING

ELECTRONICALLY CONTROLLED 4WD

27C-32

Code No.U0101: T/M CAN Timeout

CAUTION

• If there is any problem in the CAN bus lines, 

an incorrect diagnosis code may be set. Prior 
to this diagnosis, diagnose the CAN bus 
lines.

• Whenever the ECU is replaced, ensure that 

the CAN bus lines are normal.

• When the ETACS-ECU of vehicles without 

KOS is replaced, the encrypted code of the 
ignition key needs to be registered to the 
ETACS-ECU. (If the encrypted code is not reg-
istered, the engine cannot be started. Regis-
ter the encrypted code as described in 
GROUP 54A, Immobilizer System 

− How to 

Register Key ID .)

OPERATION

4WD-ECU communicates with CVT-ECU via the 
CAN bus lines.

DIAGNOSIS CODE SET CONDITION

This diagnosis code is set when the abnormality 
below is detected:

• The signal sent from the CVT-ECU cannot be 

received for a certain period.

PROBABLE CAUSES

• Malfunction of the CAN bus line

• Malfunction of power supply circuit system 

(CVT-ECU)

• Malfunction of ECU (CVT-ECU)

• Malfunction of 4WD-ECU

• ETACS coding failure

DIAGNOSIS PROCEDURE

STEP 1. M.U.T.-III CAN bus diagnostics.
Use M.U.T.-III to perform the CAN bus diagnosis.

Q: Is the check result normal?

YES : 

Go to Step 2.

NO : 

Repair the CAN bus lines (Refer to GROUP 
54C 

− Troubleshooting ).

STEP 2. M.U.T.-III other system diagnosis code.
Check the CVT diagnosis code (Refer to GROUP 
23A 

− CVT, Troubleshooting ).

Q: Is the diagnosis code set?

YES : 

Perform the relevant troubleshooting.

NO : 

Go to Step 3.

STEP 3. ETACS-ECU coding data check.
Check the transmission coding data stored in 
ETACS-ECU for any abnormality (Refer to GROUP 
00 

− Coding Reference Table ).

Q: Is the check result normal?

YES : 

Go to Step 4.

NO : 

Replace the ETACS-ECU. Then go to Step 
5.

STEP 4. Check whether the diagnosis code is 
reset.

Q: Is diagnosis code No.U0101 set?

YES : 

Replace the 4WD-ECU (Refer to 

P.27C-51

). 

Then go to Step 5 .

NO : 

Intermittent malfunction (Refer to GROUP 
00 

− How to Cope with Intermittent 

Malfunction ).

STEP 5. Check whether the diagnosis code is 
reset.

Q: Is diagnosis code No.U0101 set?

YES : 

Return to Step 1.

NO : 

This diagnosis is complete.

Code No.U0121: ABS/ASC CAN Timeout

CAUTION

• If there is any problem in the CAN bus lines, 

an incorrect diagnosis code may be set. Prior 
to this diagnosis, diagnose the CAN bus 
lines.

• Whenever the ECU is replaced, ensure that 

the CAN bus lines are normal.

OPERATION

4WD-ECU communicates with the ABS/ASC-ECU 
via the CAN bus lines.

TROUBLESHOOTING

ELECTRONICALLY CONTROLLED 4WD

27C-33

DIAGNOSIS CODE SET CONDITION

This diagnosis code is set when the abnormality 
below is detected:

• The signal sent from the ABS/ASC-ECU cannot 

be received for a certain period.

PROBABLE CAUSES

• Malfunction of the CAN bus line

• Malfunction of power supply circuit system 

(ABS/ASC-ECU)

• Malfunction of ECU (ABS/ASC-ECU)

• Malfunction of 4WD-ECU

DIAGNOSIS PROCEDURE

STEP 1. M.U.T.-III CAN bus diagnostics.
Use M.U.T.-III to perform the CAN bus diagnosis.

Q: Is the check result normal?

YES : 

Go to Step 2.

NO : 

Repair the CAN bus lines (Refer to GROUP 
54C 

− Troubleshooting ).

STEP 2. M.U.T.-III other system diagnosis code.
Check the ABS diagnosis code (Refer to GROUP 
35B 

− Troubleshooting ) <Vehicles with ABS> or the 

ASC diagnosis code (Refer to GROUP 35C 

− Trou-

bleshooting ) <Vehicles with ASC>.

Q: Is the diagnosis code set?

YES : 

Perform the relevant troubleshooting.

NO : 

Go to Step 3.

STEP 3. Check whether the diagnosis code is 
reset.

Q: Is diagnosis code No.U0121 set?

YES : 

Replace the 4WD-ECU (Refer to 

P.27C-51

). 

Then go to Step 4.

NO : 

Intermittent malfunction (Refer to GROUP 
00 

− How to Cope with Intermittent 

Malfunction ).

STEP 4. Check whether the diagnosis code is 
reset.

Q: Is diagnosis code No.U0121 set?

YES : 

Return to Step 1.

NO : 

This diagnosis is complete.

Code No.U0126: Steering Wheel Sensor CAN Timeout <ASC>

CAUTION

• If there is any problem in the CAN bus lines, 

an incorrect diagnosis code may be set. Prior 
to this diagnosis, diagnose the CAN bus 
lines.

• Whenever the ECU is replaced, ensure that 

the CAN bus lines are normal.

• When the steering wheel sensor is replaced, 

calibrate the steering wheel sensor (Refer to 
GROUP 35C 

− On-vehicle Service ), and reset 

the steering wheel sensor correction amount 
stored in the 4WD-ECU. (Item No. 1: SAS 
adjusted value 

P.27C-48

).

OPERATION

4WD-ECU communicates with the steering wheel 
sensor via the CAN bus lines.

DIAGNOSIS CODE SET CONDITION

This diagnosis code is set when the abnormality 
below is detected:

• The signal sent from the steering wheel sensor 

cannot be received for a certain period.

PROBABLE CAUSES

• Malfunction of the CAN bus line

• Malfunction of power supply circuit system (steer-

ing wheel sensor)

• Malfunction of the steering wheel sensor

• Malfunction of 4WD-ECU

DIAGNOSIS PROCEDURE

STEP 1. M.U.T.-III CAN bus diagnostics.
Use M.U.T.-III to perform the CAN bus diagnosis.

Q: Is the check result normal?

YES : 

Go to Step 2.

NO : 

Repair the CAN bus lines (Refer to GROUP 
54C 

− Troubleshooting ).

STEP 2. M.U.T.-III data list.
Check the following data list (Refer to 

P.27C-45

).

• Item No.8: Steering angle sensor

Q: Is the check result normal?