Mitsubishi Outlander (2013+). Manual — part 410

TROUBLESHOOTING

ELECTRONICALLY CONTROLLED 4WD

27C-10

DIAGNOSIS CODE PROCEDURES

Code No.C100A <FL>, C1015 <FR>, C1020 <RL>, C102B <RR>: Wheel Speed Sensor Circuit

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 receives the wheel speed data from
ABS/ASC-ECU via the CAN communication.

DIAGNOSIS CODE SET CONDITION

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

• One or more of the wheel speed does not follow

PROBABLE CAUSES

• Malfunction of wheel speed sensor

• Damaged harness wires and connectors

• Malfunction of encoder for wheel speed detection

• Malfunction of 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 3.

NO :

Repair the CAN bus lines (Refer to GROUP
54C

− Troubleshooting ). After repairing the

CAN bus line, go to Step 2.

STEP 2. Check whether the diagnosis code is
reset.

Q: Is the relevant wheel speed sensor diagnosis code

No.C100A <FL>, C1015 <FR>, C1020 <RL>, or
C102B <RR> set?
YES :

Go to Step 3.

NO :

This diagnosis is complete.

STEP 3. 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 4.

STEP 4. M.U.T.-III data list.
Check the data list of the relevant wheel speed sen-
sor (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 :

Intermittent malfunction (Refer to GROUP

00

− How to Cope with Intermittent

Malfunction ).

NO :

Replace the 4WD-ECU (Refer to

P.27C-51

).

U119A

Chassis No. mismatch

P.27C-38

U1425

T/M CAN message

P.27C-39

U1427

Implausible wheel speed data

P.27C-40

U1428

Sensor Cluster CAN message

P.27C-40

Diagnosis code No.

Diagnostic item

Reference
page

TROUBLESHOOTING

ELECTRONICALLY CONTROLLED 4WD

27C-11

Code No.C1011 <FL>, C101C <FR>, C1027 <RL>, C1032 <RR>: Wheel Speed Sensor Signal

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 receives the wheel speed data from
ABS/ASC-ECU via the CAN communication.

DIAGNOSIS CODE SET CONDITION

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

• An irregular change in the wheel speed sensor is

detected

PROBABLE CAUSES

• Malfunction of wheel speed sensor

• Damaged harness wires and connectors

• Malfunction of encoder for wheel speed detection

• Malfunction of 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 3.

NO :

Repair the CAN bus lines (Refer to GROUP
54C

− Troubleshooting ). After repairing the

CAN bus line, go to Step 2.

STEP 2. Check whether the diagnosis code is
reset.

Q: Is the relevant wheel speed sensor diagnosis code

No.C1011 <FL>, C101C <FR>, C1027 <RL>, or
C1032 <RR> set?
YES :

Go to Step 3.

NO :

This diagnosis is complete.

STEP 3. 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 4.

STEP 4. M.U.T.-III data list.
Check the data list of the relevant wheel speed sen-
sor (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 :

Intermittent malfunction (Refer to GROUP

00

− How to Cope with Intermittent

Malfunction ).

NO :

Replace the 4WD-ECU (Refer to

P.27C-51

).

Code No.C1014 <FL>, C101F <FR>, C102A <RL>, C1035 <RR>: Wheel Speed Sensor Performance

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 receives the wheel speed data from
ABS/ASC-ECU via the CAN communication.

DIAGNOSIS CODE SET CONDITION

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

• One or more of the wheel speed is out of the

range of the specified value

PROBABLE CAUSES

• Malfunction of wheel speed sensor

• Damaged harness wires and connectors

• Malfunction of encoder for wheel speed detection

• Malfunction of ABS/ASC-ECU

• Malfunction of 4WD-ECU

TROUBLESHOOTING

ELECTRONICALLY CONTROLLED 4WD

27C-12

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.

STEP 2. Check whether the diagnosis code is
reset.

Q: Is the relevant wheel speed sensor diagnosis code

No.C1014 <FL>, C101F <FR>, C102A <RL>, or
C1035 <RR> set?
YES :

Go to Step 3.

NO :

This diagnosis is complete.

STEP 3. 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 4.

STEP 4. M.U.T.-III data list.
Check the data list of the relevant wheel speed sen-
sor (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 :

Intermittent malfunction (Refer to GROUP

00

− How to Cope with Intermittent

Malfunction ).

NO :

Replace the 4WD-ECU (Refer to

P.27C-51

).

Code No.C1078: Tyre Revolutions Range

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 receives the wheel speed data from
ABS/ASC-ECU via the CAN communication.

DIAGNOSIS CODE SET CONDITION

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

• Difference in rotation speed between the front

and rear wheels exceeds continuously a specific
value.

PROBABLE CAUSES

• Tyre with incorrect diameter equipped

• Spare tyre installed

• Improper tyre pressure

• Malfunction of 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 3.

NO :

Repair the CAN bus line (Refer to GROUP
54C

− Troubleshooting ). After repairing the

CAN bus line, go to Step 2.

STEP 2. Check whether the diagnosis code is
reset.

Q: Is diagnosis code No.C1078 set?

YES :

Go to Step 3.

NO :

This diagnosis is complete.

STEP 3. Check the tyres
Check that the wheels/tyres with the identical size
are installed, and that each tyre pressure is within
the value specified on the tyre pressure label.

Q: Is the check result normal?

YES :

Go to Step 4.

NO :

Install the wheels/tyres with the identical
size, or adjust the tyre pressure. Then go to
Step 5.

TROUBLESHOOTING

ELECTRONICALLY CONTROLLED 4WD

27C-13

STEP 4. 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 5.

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 :

Intermittent malfunction. (Refer to GROUP

00

− How to Cope with Intermittent

Malfunction ).

NO :

Replace the 4WD-ECU. (Refer to

P.27C-51

).

Code No.C1219: Steering Wheel Sensor Signal <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

).

• When hydraulic unit (integrated with G and

yaw rate sensor) is replaced, calibrate G and
yaw rate sensor (refer to GROUP 35C

−

On-vehicle Service )

OPERATION

4WD-ECU receives steering wheel data from the
steering wheel sensor via CAN communication.

DIAGNOSIS CODE SET CONDITIONS

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

• The tolerance of neutral position of steering

wheel sensor exceeds the specified range.

• Abnormality in steering wheel sensor output

value

• Incorrect installation is detected by the initial

check of the steering wheel sensor signal.

• Abnormality is detected by a comparison of out-

put value from the steering wheel sensor with the
output values from wheel speed sensor and G
and yaw rate sensor.

PROBABLE CAUSES

• Improper installation of steering wheel sensor

• Malfunction of steering wheel sensor

• Malfunction of G and yaw rate sensor

• Malfunction of wheel speed sensor

• Malfunction of 4WD-ECU

• Vehicle straight-ahead position and steering

wheel neutral position is not matched.

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.

STEP 2. Check whether the diagnosis code is
reset.

Q: Is diagnosis code No.C1219 set?

YES :

Go to Step 3.

NO :

This diagnosis is complete.

STEP 3. M.U.T.-III diagnosis code.

Q: Is diagnosis code No.C2205 set?

YES :

Perform the relevant troubleshooting.

NO :

Go to Step 4.