Mitsubishi Outlander GS45X. Manual — part 1715
DIAGNOSIS <S-AWC(SUPER ALL WHEEL CONTROL)>
TSB Revision
AUTOMATIC TRANSAXLE
23C-165
SYMPTOM CHART
M1231008000705
C1633
A/T CAN data (not received)
C2100
Battery voltage malfunction (low voltage)
C2101
Battery voltage malfunction (high voltage)
C2203
Chassis No. not recorded
C2205
Steering wheel sensor system (internal error)
U0001
Bus-off
U0100
Engine time-out error
U0101
Transaxle time-out error
U0121
ASC time-out error
U0126
Steering wheel sensor time-out error
U0141
ETACS time-out error
U0401
Engine data malfunction
U0428
Steering wheel sensor data malfunction
U0431
ETACS data malfunction
U1415
Coding incomplete/fail
U1417
Coding data malfunction
U1425
Transaxle data malfunction
U1427
Wheel speed sensor data malfunction
U1428
G and yaw rate sensor data malfunction
Diagnostic
trouble
code No.
Item
Reference
page
Trouble symptom
Inspection
procedure
No.
Reference page
Communication between the M.U.T.-III and AWC-ECU
cannot be established
1
The power supply circuit system has failure
2
Shifting the S-AWC control mode selector does not
change the mode
3
The tight corner braking phenomenon (difficult to turn)
appears frequently with the S-AWC control mode selector
in the NORMAL or SNOW mode
4
DIAGNOSIS <S-AWC(SUPER ALL WHEEL CONTROL)>
TSB Revision
AUTOMATIC TRANSAXLE
23C-166
DIAGNOSTIC TROUBLE CODE PROCEDURES
Code No.C100A <FL>, C1015 <FR>, C1020 <RL>, C102B <RR>: Wheel Speed Sensor System (Faulty
Circuit)
CAUTION
• If there is any problem in the CAN bus lines,
an incorrect diagnostic trouble 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
AWC-ECU receives the wheel speed data from
ASC-ECU via the CAN communication.
.
DIAGNOSTIC TROUBLE CODE SET
CONDITIONS
Observe the wheel speed at startup. If one or more
of the wheel speed does not follow, the diagnostic
trouble code of the relevant wheel speed sensor is
set.
.
PROBABLE CAUSES
• Malfunction of wheel speed sensor
• Damaged harness wires and connectors
• Malfunction of encoder for wheel speed detection
• Malfunction of ASC-ECU
• Malfunction of AWC-ECU
DIAGNOSTIC PROCEDURE
STEP 1. M.U.T.-III CAN bus diagnostics.
Use scan tool 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 diagnostic trouble code is
reset.
Q: Is the relevant wheel speed sensor diagnostic trouble
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 diagnostic trouble code.
Check the ASC diagnostic trouble code. (Refer to GROUP 35C
− Troubleshooting
Q: Is the diagnostic trouble code set?
YES : Perform the relevant troubleshooting.
NO : Go to Step 4.
DIAGNOSIS <S-AWC(SUPER ALL WHEEL CONTROL)>
TSB Revision
AUTOMATIC TRANSAXLE
23C-167
STEP 4. M.U.T.-III data list.
Check the data list of the relevant wheel speed sensor. (Refer
to
• Item No.21: Wheel speed sensor <FL>
• Item No.22: Wheel speed sensor <FR>
• Item No.23: Wheel speed sensor <RL>
• Item No.24: Wheel speed sensor <RR>
Q: Is the check result normal?
YES : Intermittent malfunction. (Refer to GROUP 00
− How
to Cope with Intermittent Malfunction
).
NO : Replace the AWC-ECU. (Refer to
Code No.C1011 <FL>, C101C <FR>, C1027 <RL>, C1032 <RR>: Wheel Speed Sensor System (Faulty
Signal)
CAUTION
• If there is any problem in the CAN bus lines,
an incorrect diagnostic trouble 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
AWC-ECU receives the wheel speed data from
ASC-ECU via the CAN communication.
.
DIAGNOSTIC TROUBLE CODE SET
CONDITIONS
When an irregular change in the wheel speed sensor
is detected, the diagnostic trouble code of the rele-
vant wheel speed sensor is set.
.
PROBABLE CAUSES
• Malfunction of wheel speed sensor
• Damaged harness wires and connectors
• Malfunction of encoder for wheel speed detection
• Malfunction of ASC-ECU
• Malfunction of AWC-ECU
DIAGNOSTIC PROCEDURE
STEP 1. M.U.T.-III CAN bus diagnostics.
Use scan tool 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 diagnostic trouble code is
reset.
Q: Is the relevant wheel speed sensor diagnostic trouble
code No.C1011 <FL>, C101C <FR>, C1027 <RL>, or
C1032 <RR> set?
YES : Go to Step 3.
NO : This diagnosis is complete.
DIAGNOSIS <S-AWC(SUPER ALL WHEEL CONTROL)>
TSB Revision
AUTOMATIC TRANSAXLE
23C-168
STEP 3. M.U.T.-III diagnostic trouble code.
Check the ASC diagnostic trouble code. (Refer to GROUP 35C
− Troubleshooting
Q: Is the diagnostic trouble 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 sensor. (Refer
to
• Item No.21: Wheel speed sensor <FL>
• Item No.22: Wheel speed sensor <FR>
• Item No.23: Wheel speed sensor <RL>
• Item No.24: Wheel speed sensor <RR>
Q: Is the check result normal?
YES : Intermittent malfunction. (Refer to GROUP 00
− How
to Cope with Intermittent Malfunction
).
NO : Replace the AWC-ECU. (Refer to
Code No.C1014 <FL>, C101F <FR>, C102A <RL>, C1035 <RR>: Wheel Speed Sensor System
(characteristics abnormality)
CAUTION
• If there is any problem in the CAN bus lines,
an incorrect diagnostic trouble 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
AWC-ECU receives the wheel speed data from
ASC-ECU via the CAN communication.
.
DIAGNOSTIC TROUBLE CODE SET
CONDITIONS
If one or more of the wheel speed is out of the range
of the specified value, the diagnostic trouble code of
the relevant wheel speed sensor is set.
.
PROBABLE CAUSES
• Malfunction of wheel speed sensor
• Damaged harness wires and connectors
• Malfunction of encoder for wheel speed detection
• Malfunction of ASC-ECU
• Malfunction of AWC-ECU
DIAGNOSTIC PROCEDURE
STEP 1. M.U.T.-III CAN bus diagnostics.
Use scan tool 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.
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