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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 P1902: Malfunction of Engine System >> Diagnosis Procedure

Diagnosis Procedure

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  1. STEP 1. Check the engine-related diagnosis code. 

    Q: Is the engine-related diagnosis code set? 

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

    Q: Is the check result normal? 

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