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Home >> Mitsubishi >> 2014 >> Lancer ES Sportback >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Continuously Variable Transaxle (CVT) Diagnosis & On-Vehicle Service - With Diagnostics - Lancer >> Diagnosis >> Diagnostic Trouble Code Procedures >> DTC P0741: Abnormality in Lock-up Function >> Diagnostic Procedure

Diagnostic Procedure

  1. STEP 1. Check other diagnostic trouble codes. 

    Q: Are other diagnostic trouble codes stored? 

    1. YES:  Carry out the appropriate troubleshooting.
    2. NO:  Go to Step 2.
  2. STEP 2. M.U.T.-III data list 
    • Item 7: Primary speed
    • Item 9: Engine revolution

      OK: No considerable difference is observed between the primary pulley speed and the engine speed. 

    Q: Is the check result normal? 

    1. YES:  Intermittent malfunction
    2. NO:  Go to Step 3.
  3. STEP 3. Line Pressure Check 

    Carry out "hydraulic test" (Refer to HYDRAULIC PRESSURE TEST  ).

    Q: Is the check result normal? 

    1. YES:  Go to Step 4.
    2. NO:  Repair according to the hydraulic pressure test diagnosis table.
  4. STEP 4. Symptom recheck after erasing diagnostic trouble code 

    Q: Is the check result normal? 

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