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Home >> Mitsubishi >> 2010 >> Lancer ES, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 38 (Keyless Operation System (Kos) - Lancer Evolution) >> Diagnosis >> Symptom Procedures >> Inspection Procedure 17: Power Door Locks With Selective Unlocking Does Not Work >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2012 Mitsubishi Lancer. However, it is still accessible from the selected car via links, so may be relevant.
  1. STEP 1. Check the customization 

    Q: Are the power door locks with selective unlocking enabled by the customization function? 

    1. YES:  Go to Step 2.
    2. NO:  Set the power door locks with selective unlocking to "Enabled" by using the customization function. Refer to CUSTOMIZATION FUNCTION  .
  2. STEP 2. Power door locks with selective unlocking operation check 

    Check that the power door locks with selective unlocking operate normally by means of the keyless entry function or door entry function.

    Q: Is the check result normal? 

    1. YES:  Go to Step  5.
    2. NO (Does not work by means of keyless entry function):  Go to Step 3.
    3. NO (Does not work by means of door entry function):  Go to Step  4.
    4. NO (Does not work by means of either functions):  Go to Step  5.
  3. STEP 3. Keyless entry system operation check 

    Press the unlock switch of the keyless operation key and check that only the driver's door is unlocked. Then, press the unlock switch once again within 2 seconds after that to check that the front passenger's door and rear doors are unlocked.

    Q: Does the keyless entry system work normally? 

    1. YES:  Go to Step  5.
    2. NO (Only the driver's door is not unlocked.):  Replace ETACS-ECU.
    3. NO (The driver's door, front passenger's door, rear doors, and tailgate are not unlocked.):  Refer to INSPECTION PROCEDURE 12: "KEYLESS ENTRY SYSTEM DOES NOT WORK"  .
  4. STEP 4. Door entry function operation check 

    Press the lock/unlock switch (driver's side) and check that only the driver's door is unlocked. Then, press the lock/unlock switch (driver's side) once again within 2 seconds after that to check that the front passenger's door and rear doors are unlocked.

    Q: Does the door entry function work normally? 

    1. YES:  Go to Step 5.
    2. NO (Only the driver's door is not unlocked.):  Replace ETACS-ECU.
    3. NO (The driver's door, front passenger's door, rear doors, and tailgate are not unlocked.):  Refer to INSPECTION PROCEDURE 9: DRIVER'S DOOR LOCK/UNLOCK SWITCH DOES NOT WORK .
  5. STEP 5. Check of the troubles 

    Check that the power door locks with selective unlocking works normally.

    Q: Is the check result normal? 

    1. YES:  Intermittent malfunction (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION ).
    2. NO:  Replace ETACS-ECU.
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