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Home >> Mitsubishi >> 2010 >> Lancer ES, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Continuously Variable Transaxle On-Vehicle Service -- Lancer) >> Diagnosis >> Diagnostic Trouble Code Procedures >> DTC P1710: Malfunction of Vehicle Speed Signal >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different variant/trim than selected.
  1. STEP 1. Troubleshoot the CAN system if diagnosis code U0121 is set. 

    Q: Is the diagnosis code U0121 set? 

    1. YES:  Diagnose the CAN system.
    2. NO:  Go to Step 2.
  2. STEP 2. M.U.T.-III data list 
    • Item 21: Vehicle speed (inference)
    • Item 22: Real vehicle speed

      OK: Vehicle speed signal and vehicle speed do not differ greatly. 

      Q: Is the check result normal? 

      1. YES:  Intermittent malfunction
      2. NO:  Go to Step 3.
  3. STEP 3. Check ABS-related diagnosis codes. 

    Q: Is the ABS-related diagnosis code set? 

    1. YES:  Carry out the appropriate troubleshooting.
    2. NO:  Go to Step 4.
  4. STEP 4. Symptom recheck after erasing diagnosis code 

    Q: Is the check result normal? 

    1. YES:  Intermittent malfunction
    2. NO:  Replace TCM.
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