Mitsubishi Outlander (2013+). Manual - part 413

TROUBLESHOOTING

ELECTRONICALLY CONTROLLED 4WD

27C-22

STEP 4. M.U.T.-III data list
Check the following data list (Refer to 

P.27C-45

).

• Item No.12: Engine speed

Q: Is the check result normal?

YES : 

Go to Step 5.

NO : 

Perform the troubleshooting for the engine 
(Refer to GROUP 13A 

− Troubleshooting ).

STEP 5. M.U.T.-III data list
Check the following data list (Refer to 

P.27C-45

).

• Item No.18: FL Wheel speed sensor

• Item No.19: FR Wheel speed sensor

• Item No.20: RL Wheel speed sensor

• Item No.21: RR Wheel speed sensor

Q: Is the check result normal?

YES : 

Go to Step 6.

NO : 

Perform the ABS diagnosis code (Refer to 
GROUP 35B 

− Troubleshooting ) <Vehicles 

with ABS> or the ASC diagnosis code 
(Refer to GROUP 35C 

− Troubleshooting ) 

<Vehicles with ASC>.

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

P.27C-45

).

• Item No.34: Ambient temperature (CAN input)

• Item No.35: Ignition off time (CAN input)

Q: Is the check result normal?

YES : 

Go to Step 7.

NO : 

Perform the troubleshooting for the ETACS 
(Refer to GROUP 54A 

− ETACS, 

Troubleshooting ).

STEP 7. Check of the electronic control coupling
Refer to 

P.27C-49

.

Q: Is the check result normal?

YES : 

Go to Step 8.

NO : 

Replace the electronic control coupling 
(Refer to 

P.27C-53

).

STEP 8. Check whether the diagnosis code is 
reset.
(1) To release the electronic control coupling 

protection control, leave the vehicle for 15 
minutes or longer after the high fluid temperature 
warning on the warning indicator disappears.

(2) Erase the diagnosis code.
(3) Carry out the test drive.

NOTE: Do not carry out the severe test drive.

(4) Check if the diagnosis code is set.

Q: Is diagnosis code No.C1621 set?

YES : 

Replace the 4WD-ECU (Refer to 

P.27C-51

). 

NO : 

Intermittent malfunction (Refer to GROUP 
00 

− How to Cope with Intermittent 

Malfunction ).

Code No.C1624: 4WD-ECU Internal

OPERATION

4WD-ECU monitors the malfunction in the ECU.

DIAGNOSIS CODE SET CONDITION

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

• RAM/ROM/EEPROM of 4WD-ECU has a failure.

PROBABLE CAUSES

• Malfunction of 4WD-ECU

• Damaged harness wires and connectors

Code No. C1626: 4WD Voltage Failure

OPERATION

The 4WD-ECU monitors the actuator power supply 
voltage.

DIAGNOSIS CODE SET CONDITION

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

• Electronic control coupling solenoid voltage mon-

itor value: 10 V or more.

PROBABLE CAUSES

• Malfunction of electronic control coupling sole-

noid

• Damaged harness wires and connectors

• Malfunction of 4WD-ECU

TROUBLESHOOTING

ELECTRONICALLY CONTROLLED 4WD

27C-23

DIAGNOSIS PROCEDURE

STEP 1. Check the wiring harness between 
electronic control coupling solenoid connector 
and 4WD-ECU connector terminal SOL+, SOL-.
Check the power supply, earth line for short circuit 
(for short to the power supply).

Q: Is the check result normal?

YES : 

Go to Step 2.

NO : 

Repair the defective connector or the wiring 
harness. Then go to Step 4.

STEP 2. Check of the electronic control coupling 
solenoid
Refer to 

P.27C-49

.

Q: Is the check result normal?

YES : 

Go to Step 3.

NO : 

Replace the electronic control coupling 
(Refer to 

P.27C-53

). Then go to Step 4.

STEP 3. Check whether the diagnosis code is 
reset.

Q: Is diagnosis code No.C1626 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.C1626 set?

YES : 

Return to Step 1.

NO : 

This diagnosis is complete.

Code No. C1628: 4WD Current Failure

OPERATION

The 4WD-ECU monitors the current value of the 
electronic control coupling solenoid.

DIAGNOSIS CODE SET CONDITIONS

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

• Commanded current to the electronic control cou-

pling does not correspond with the monitored cur-
rent value.

PROBABLE CAUSES

• Malfunction of electronic control coupling sole-

noid

• Damaged harness wires and connectors

• Malfunction of 4WD-ECU

DIAGNOSIS PROCEDURE

STEP 1. Check the wiring harness between 
electronic control coupling solenoid connector 
and 4WD-ECU connector terminal SOL+, SOL-.
Check the power supply, earth line for open or short 
circuit.

Q: Is the check result normal?

YES : 

Go to Step 2

NO : 

Repair the defective connector or the wiring 
harness. Then go to Step 4.

STEP 2. Check of the electronic control coupling 
solenoid
Refer to 

P.27C-49

.

Q: Is the check result normal?

YES : 

Go to Step 3

NO : 

Replace the electronic control coupling 
(Refer to 

P.27C-53

). Then go to Step 4.

STEP 3. Check whether the diagnosis code is 
reset.

Q: Is diagnosis code No.C1628 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.C1628 set?

YES : 

Return to Step 1.

NO : 

This diagnosis is complete.

TROUBLESHOOTING

ELECTRONICALLY CONTROLLED 4WD

27C-24

Code No. C1629: ASC 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.

OPERATION

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

DIAGNOSIS CODE SET CONDITION

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

• The CAN signal of the ASC-ECU cannot be 

received.

PROBABLE CAUSES

• Malfunction of the CAN bus line

• Damaged connectors (ASC-ECU)

• Malfunction of 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 ASC diagnosis code (Refer to GROUP 
35C 

− 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.C1629 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.C1629 set?

YES : 

Return to Step 1.

NO : 

This diagnosis is complete.

Code No. C1630: Steering Wheel Sensor 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 CAN signal of the steering wheel sensor can-

not be received.

PROBABLE CAUSES

• Malfunction of the CAN bus line

• Damaged connectors (steering wheel sensor)

• Malfunction of the steering wheel sensor

• Malfunction of 4WD-ECU

TROUBLESHOOTING

ELECTRONICALLY CONTROLLED 4WD

27C-25

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?

YES : 

Intermittent malfunction (Refer to GROUP 

00 

− How to Cope with Intermittent 

Malfunction ).

NO : 

Replace the steering wheel sensor (Refer to 
GROUP 35C 

− Steering Wheel Sensor ). 

Then go to Step 3.

STEP 3. Check whether the diagnosis code is 
reset.

Q: Is diagnosis code No.C1630 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.C1630 set?

YES : 

Return to Step 1.

NO : 

This diagnosis is complete.

Code No. C1631: ETACS 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 ETACS-ECU via 
the CAN bus lines.

DIAGNOSIS CODE SET CONDITION

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

• The CAN signal of the ETACS-ECU cannot be 

received.

PROBABLE CAUSES

• Malfunction of the CAN bus line

• Damaged connectors (ETACS-ECU)

• ETACS-ECU malfunction

• 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 ETACS diagnosis code (Refer to GROUP 
54A 

− 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.C1631 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 ).