LEMON Manuals: Even more car manuals for everyone
Home >> Mitsubishi >> 2017 >> Lancer SE >> Repair and Diagnosis >> External Pages >> Different car >> Section 89 (Twin Clutch-SPORTRONIC Shift Transmission (TC-SST) - With Diagnostics - Lancer (5 Of 6)) >> Diagnosis < Active Center Differential (ACD) > >> Diagnostic Trouble Code Procedures >> DTC U1427: Wheel Speed Sensor Data Error >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2015 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.
  1. STEP 1. Scan tool CAN bus diagnostics 

    Using scan tool MB991958, diagnose the CAN bus lines.

    Q: Is the check result normal? 

    1. YES:  Go to Step 2.
    2. NO:  Repair the CAN bus lines. (Refer to TROUBLESHOOTING ).
  2. STEP 2. Scan tool diagnostic trouble code 

    Check the ASC diagnostic trouble code. (Refer to DIAGNOSTIC TROUBLE CODE TABLE ).

    Q: Is the DTC set? 

    1. YES:  Perform the relevant troubleshooting.
    2. NO:  Go to Step 3.
  3. STEP 3. Scan tool data list 

    Check the data list below. (Refer to DATA LIST REFERENCE TABLE  ).

    • Item No. 22: Wheel speed sensor < FL >
    • Item No. 23: Wheel speed sensor < FR >
    • Item No. 24: Wheel speed sensor < RL >
    • Item No. 25: Wheel speed sensor < RR >

    Q: Is the check result normal? 

    1. YES:  Intermittent malfunction. (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION ).
    2. NO:  Go to Step 4.
  4. STEP 4. Check whether the DTC is reset. 

    Q: Is DTC No. U1427 set? 

    1. YES:  Replace the AWC-ECU. (Refer to AWC-ECU ). Then go to Step 5.
    2. NO:  Intermittent malfunction. (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION ).
  5. STEP 5. Check whether the DTC is reset. 

    Q: Is DTC No. U1427 set? 

    1. YES:  Return to  Step 1.
    2. NO:  This diagnosis is complete.
scientia non olet · About LEMON Manuals