Mitsubishi Outlander manuals

Mitsubishi Outlander: DTC No.U0001, U0100, U0101, U0121, U0126, U0141, U0401, U0428, U0431, U1415, U1417, U1425, U1427, U1428

Mitsubishi Outlander Service Manual / Automatic Transaxle and Propeller Shaft / Automatic Transaxle / Diagnosis S-AWC (Super All Wheel Control) / DTC No.U0001, U0100, U0101, U0121, U0126, U0141, U0401, U0428, U0431, U1415, U1417, U1425, U1427, U1428

Code No.U0001: Bus-Off

CAUTION

DIAGNOSTIC TROUBLE CODE SET CONDITIONS

The code is set when AWC-ECU ceases (bus-off).

PROBABLE CAUSES

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 2.

NO : Repair the CAN bus lines. After repairing the CAN bus line, go to Step 2.

STEP 2. Check whether the diagnostic trouble code is reset.

Q: Is diagnostic trouble code No.U0001 set? YES : Replace the AWC-ECU. Then go to Step 3.

NO : Intermittent malfunction.

STEP 3. Check whether the diagnostic trouble code is reset.

Q: Is diagnostic trouble code No.U0001 set? YES : Return to Step 1.

NO : This diagnosis is complete.

Code No.U0100: Engine Time-out Error

CAUTION

OPERATION

AWC-ECU communicates with the ECM via the CAN bus lines.

DIAGNOSTIC TROUBLE CODE SET CONDITIONS

The code is set when the signal sent from the ECM cannot be received for a certain period.

PROBABLE CAUSES

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 2.

NO : Repair the CAN bus lines. After repairing the CAN bus line, go to Step 2.

STEP 2. M.U.T.-III diagnostic trouble code.

Check the engine diagnostic trouble code.

Q: Is the diagnostic trouble code set? YES : Perform the relevant troubleshooting.

NO : Go to Step 3.

STEP 3. Check whether the diagnostic trouble code is reset.

Q: Is diagnostic trouble code No.U0100 set? YES : Replace the AWC-ECU. Then go to Step 4.

NO : Intermittent malfunction.

STEP 4. Check whether the diagnostic trouble code is reset.

Q: Is diagnostic trouble code No.U0100 set? YES : Return to Step 1.

NO : This diagnosis is complete.

Code No.U0101: Transaxle Time-out Error

CAUTION

OPERATION

AWC-ECU communicates with TCM via the CAN bus lines.

DIAGNOSTIC TROUBLE CODE SET CONDITIONS

The code is set when the signal sent from the TCM cannot be received for a certain period.

PROBABLE CAUSES

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 2.

NO : Repair the CAN bus lines.

STEP 2. M.U.T.-III diagnostic trouble code.

Check the A/T diagnostic trouble code.

Q: Is the diagnostic trouble code set? YES : Perform the relevant troubleshooting.

NO : Go to Step 3.

STEP 3. ETACS-ECU coding data check.

Check the Transaxle coding data stored in ETACS-ECU for any abnormality.

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 diagnostic trouble code is reset.

Q: Is diagnostic trouble code No.U0101 set? YES : Replace the AWC-ECU. Then go to Step 5.

NO : Intermittent malfunction.

STEP 5. Check whether the diagnostic trouble code is reset.

Q: Is diagnostic trouble code No.U0101 set? YES : Return to Step 1.

NO : This diagnosis is complete.

Code No.U0121: ASC Time-out Error

CAUTION

OPERATION

AWC-ECU communicates with the ASC-ECU via the CAN bus lines.

DIAGNOSTIC TROUBLE CODE SET CONDITIONS

The code is set when the signal sent from the ASC-ECU cannot be received for a certain period.

PROBABLE CAUSES

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 2.

NO : Repair the CAN bus lines.

STEP 2. M.U.T.-III diagnostic trouble code.

Check the ASC diagnostic trouble code.

Q: Is the diagnostic trouble code set? YES : Perform the relevant troubleshooting.

NO : Go to Step 3.

STEP 3. Check whether the diagnostic trouble code is reset.

Q: Is diagnostic trouble code No.U0121 set? YES : Replace the AWC-ECU. Then go to Step 4.

NO : Intermittent malfunction.

STEP 4. Check whether the diagnostic trouble code is reset.

Q: Is diagnostic trouble code No.U0121 set? YES : Return to Step 1.

NO : This diagnosis is complete.

Code No.U0126: Steering Wheel Sensor Time-out Error

CAUTION

OPERATION

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

DIAGNOSTIC TROUBLE CODE SET CONDITIONS

The code is set when the signal sent from the steering wheel sensor cannot be received for a certain period.

PROBABLE CAUSES

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 2.

NO : Repair the CAN bus lines.

STEP 2. M.U.T.-III data list.

Item No.8: Steering angle sensor.

Q: Is the check result normal?

YES : Intermittent malfunction.

NO : Replace the steering wheel sensor. Then go to Step 3.

STEP 3. Check whether the diagnostic trouble code is reset.

Q: Is diagnostic trouble code No.U0126 set? YES : Replace the AWC-ECU. Then go to Step 4.

NO : Intermittent malfunction.

STEP 4. Check whether the diagnostic trouble code is reset.

Q: Is diagnostic trouble code No.U0126 set? YES : Return to Step 1.

NO : This diagnosis is complete.

Code No.U0141: ETACS Time-out Error

CAUTION

OPERATION

AWC-ECU communicates with the ETACS-ECU via the CAN bus lines.

DIAGNOSTIC TROUBLE CODE SET CONDITIONS

The code is set when the signal sent from the ETACS-ECU cannot be received for a certain period.

PROBABLE CAUSES

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 2.

NO : Repair the CAN bus lines.

STEP 2. M.U.T.-III diagnostic trouble code.

Check the ETACS diagnostic trouble code.

Q: Is the diagnostic trouble code set? YES : Perform the relevant troubleshooting.

NO : Go to Step 3.

STEP 3. Check whether the diagnostic trouble code is reset.

Q: Is diagnostic trouble code No.U0141 set? YES : Replace the AWC-ECU. Then go to Step 4.

NO : Intermittent malfunction.

STEP 4. Check whether the diagnostic trouble code is reset.

Q: Is diagnostic trouble code No.U0141 set? YES : Return to Step 1.

NO : This diagnosis is complete.

Code No.U0401: Engine Data Malfunction

CAUTION

OPERATION

AWC-ECU communicates with the ECM via the CAN bus lines.

DIAGNOSTIC TROUBLE CODE SET CONDITIONS

The code is set when abnormality is detected in the signal received from the ECM.

PROBABLE CAUSES

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 2.

NO : Repair the CAN bus lines.

STEP 2. M.U.T.-III diagnostic trouble code.

Check the engine diagnostic trouble code.

Q: Is the diagnostic trouble code set? YES : Perform the relevant troubleshooting.

NO : Go to Step 3.

STEP 3. M.U.T.-III data list.

Check the following data list.

Q: Is the check result normal?

YES : Intermittent malfunction.

NO : Go to Step 4.

STEP 4. Check whether the diagnostic trouble code is reset.

Q: Is diagnostic trouble code No.U0401 set? YES : Replace the AWC-ECU. Then go to Step 5.

NO : Intermittent malfunction.

STEP 5. Check whether the diagnostic trouble code is reset.

Q: Is diagnostic trouble code No.U0401 set? YES : Return to Step 1.

NO : This diagnosis is complete.

Code No.U0428: Steering Wheel Sensor Data Malfunction

CAUTION

OPERATION

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

DIAGNOSTIC TROUBLE CODE SET CONDITIONS

The code is set when abnormality is detected in the signal received from the steering wheel sensor.

PROBABLE CAUSES

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 2.

NO : Repair the CAN bus lines.

STEP 2. M.U.T.-III data list.

Item No.8: Steering angle sensor.

Q: Is the check result normal?

YES : Intermittent malfunction.

NO : Replace the steering wheel sensor. Then go to Step 3.

STEP 3. Check whether the diagnostic trouble code is reset.

Q: Is diagnostic trouble code No.U0428 set? YES : Replace the AWC-ECU. Then go to Step 4.

NO : Intermittent malfunction.

STEP 4. Check whether the diagnostic trouble code is reset.

Q: Is diagnostic trouble code No.U0428 set? YES : Return to Step 1.

NO : This diagnosis is complete.

Code No.U0431: ETACS Data Malfunction

CAUTION

OPERATION

AWC-ECU communicates with the ETACS-ECU via the CAN bus lines.

DIAGNOSTIC TROUBLE CODE SET CONDITIONS

The code is set when abnormality is detected in the signal received from ETACS-ECU.

PROBABLE CAUSES

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 2.

NO : Repair the CAN bus lines.

STEP 2. M.U.T.-III diagnostic trouble code.

Check if the AWC diagnostic trouble code No.U1415 is set.

Q: Is the diagnostic trouble code set? YES : Perform the relevant troubleshooting.

NO : Go to Step 3.

STEP 3. M.U.T.-III diagnostic trouble code.

Check the ETACS diagnostic trouble code.

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 ETACS data list below.

Q: Is the check result normal?

YES : Go to Step 5.

NO : Replace the ETACS-ECU.

STEP 5. Check whether the diagnostic trouble code is reset.

Q: Is diagnostic trouble code No.U0431 set? YES : Replace the AWC-ECU. Then go to Step 6.

NO : Intermittent malfunction.

STEP 6. Check whether the diagnostic trouble code is reset.

Q: Is diagnostic trouble code No.U0431 set? YES : Return to Step 1.

NO : This diagnosis is complete.

Code No.U1415: Coding incomplete/fail

CAUTION

OPERATION

AWC-ECU receives the vehicle information stored in ETACS-ECU via CAN bus lines.

DIAGNOSTIC TROUBLE CODE SET CONDITIONS

The code is set when the AWC-ECU coding has not been performed.

PROBABLE CAUSES

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 2.

NO : Repair the CAN bus lines.

STEP 2. M.U.T.-III diagnostic trouble code.

Check the ETACS diagnostic trouble code.

Q: Is the diagnostic trouble code set? YES : Perform the relevant troubleshooting.

NO : Go to Step 3.

STEP 3. ETACS-ECU coding data check

Using the M.U.T.-III, check if there is any abnormality to the coding data stored in the ETACS-ECU.

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 diagnostic trouble code is reset.

Q: Is diagnostic trouble code No.U1415 set? YES : Replace the AWC-ECU. Then go to Step 5.

NO : Intermittent malfunction.

STEP 5. Check whether the diagnostic trouble code is reset.

Q: Is diagnostic trouble code No.U1415 set? YES : Return to Step 1.

NO : This diagnosis is complete.

Code No.U1417: Coding Data Malfunction

CAUTION

OPERATION

AWC-ECU receives the vehicle information stored in ETACS-ECU via CAN bus lines.

DIAGNOSTIC TROUBLE CODE SET CONDITIONS

The code is set when the vehicle information received from ETACS-ECU is not correct.

PROBABLE CAUSES

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 2.

NO : Repair the CAN bus lines.

STEP 2. M.U.T.-III diagnostic trouble code.

Check the ETACS diagnostic trouble code.

Q: Is the diagnostic trouble code set? YES : Perform the relevant troubleshooting.

NO : Go to Step 3.

STEP 3. ETACS-ECU coding data check

Using the M.U.T.-III, check if there is any abnormality to the coding data stored in the ETACS-ECU.

Q: Is the check result normal?

YES : Go to Step 4.

NO : Repair the coding data or replace ETACS-ECU.

Then go to Step 6.

STEP 4. Check the part number of ETACS-ECU

Check the part number of ETACS-ECU.

Q: Is the check result normal?

YES : Go to Step 5.

NO : Replace the ETACS-ECU, and then go to Step 6.

STEP 5. Check whether the diagnostic trouble code is reset.

Q: Is diagnostic trouble code No.U1417 set? YES : Replace the AWC-ECU. Then go to Step 6.

NO : Intermittent malfunction.

STEP 6. Check whether the diagnostic trouble code is reset.

Q: Is diagnostic trouble code No.U1417 set? YES : Return to Step 1.

NO : This diagnosis is complete.

Code No.U1425: Transaxle Data Malfunction

CAUTION

OPERATION

AWC-ECU communicates with TCM via the CAN bus lines.

DIAGNOSTIC TROUBLE CODE SET CONDITIONS

The code is set when abnormality is detected in the gear shift signal received from the TCM.

PROBABLE CAUSES

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 2.

NO : Repair the CAN bus lines.

STEP 2. M.U.T.-III diagnostic trouble code.

Check the A/T diagnostic trouble code.

YES : Perform the relevant troubleshooting.

NO : Go to Step 3.

STEP 3. M.U.T.-III data list.

Item No.15: A/T Gear position.

Q: Is the check result normal?

YES : Intermittent malfunction.

NO : Go to Step 4.

STEP 4. Check whether the diagnostic trouble code is reset.

Q: Is diagnostic trouble code No.U1425 set?

YES : Replace the AWC-ECU. Then go to Step 5.

NO : Intermittent malfunction.

STEP 5. Check whether the diagnostic trouble code is reset.

Q: Is diagnostic trouble code No.U1425 set?

YES : Return to Step 1.

NO : This diagnosis is complete.

Code No.U1427: Wheel Speed Sensor Data Malfunction

CAUTION

OPERATION

AWC-ECU communicates with the ASC-ECU via the CAN bus lines.

DIAGNOSTIC TROUBLE CODE SET CONDITIONS

The code is set when abnormality is detected in the wheel speed sensor signal received from the ASC-ECU.

PROBABLE CAUSES

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 2.

NO : Repair the CAN bus lines.

STEP 2. M.U.T.-III diagnostic trouble code.

Check the ASC diagnostic trouble code.

Q: Is the diagnostic trouble code set? YES : Perform the relevant troubleshooting.

NO : Go to Step 3.

STEP 3. M.U.T.-III data list.

Check the data list of the relevant wheel speed sensor.

Q: Is the check result normal?

YES : Intermittent malfunction.

NO : Go to Step 4.

STEP 3. M.U.T.-III data list.

Check the data list of the relevant wheel speed sensor.

Q: Is the check result normal?

YES : Intermittent malfunction.

NO : Go to Step 4.

STEP 4. Check whether the diagnostic trouble code is reset.

Q: Is diagnostic trouble code No.U1427 set? YES : Replace the AWC-ECU. Then go to Step 5.

NO : Intermittent malfunction.

STEP 5. Check whether the diagnostic trouble code is reset.

Q: Is diagnostic trouble code No.U1427 set? YES : Return to Step 1.

NO : This diagnosis is complete.

Code No.U1428: G and Yaw Rate Sensor Data Malfunction

CAUTION

OPERATION

AWC-ECU receives the G and yaw rate sensor data from ASC-ECU via the CAN communication.

DIAGNOSTIC TROUBLE CODE SET CONDITIONS

The code is set when abnormality is detected in the G and yaw rate sensor signal received from the ASC-ECU.

PROBABLE CAUSES

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 2.

NO : Repair the CAN bus lines.

STEP 2. M.U.T.-III diagnostic trouble code.

Check the ASC diagnostic trouble code.

Q: Is the diagnostic trouble code set? YES : Perform the relevant troubleshooting.

NO : Go to Step 3.

STEP 3. M.U.T.-III diagnostic trouble code.

Check if the AWC diagnostic trouble code No.C123C, C1242 is set.

Q: Is the check result normal?

YES : Perform the relevant troubleshooting.

NO : Go to Step 4.

STEP 4. M.U.T.-III data list.

Check the data list below.

Q: Is the check result normal?

YES : Go to Step 5.

NO : Replace the G and yaw rate sensor.

Then go to Step 6.

STEP 5. Check whether the diagnostic trouble code is reset.

Q: Is diagnostic trouble code No.U1428 set? YES : Replace the AWC-ECU. Then go to Step 6.

NO : Intermittent malfunction.

STEP 6. Check whether the diagnostic trouble code is reset.

Q: Is diagnostic trouble code No.U1428 set? YES : Return to Step 1.

NO : This diagnosis is complete.

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