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Inspection Procedure 4: The Interior Light Automatic Shutoff Function Does Not Work Normally: Diagnosis

WARNING: This page is about a different car, the 2014 Mitsubishi Outlander. However, it is still accessible from the selected car via links, so may be relevant.
  1. STEP 1. Using scan tool (M.U.T.-III), Check the customization function 

    Use the ETACS-ECU customization function to check to see which of the followings other than "Disable" the "Interior light auto cut timer" is set.

    • 3 minutes
    • 30 minutes
    • 60 minutes
    CAUTION: To prevent damage to scan tool (M.U.T.-III), always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool (M.U.T.-III).
    1. Connect scan tool (M.U.T.-III). Refer to "HOW TO CONNECT THE SCAN TOOL (M.U.T.-III) ".
    2. Turn the ignition switch to the "ON" position.
    3. Use the ETACS-ECU customization function to check that the "Interior light auto cut timer" is set to "Disable"
    4. Turn the ignition switch to the "LOCK" (OFF) position.

    Q: Is the check result normal? 

    • YES:  Go to Step 2.
    • NO:  Use the ETACS-ECU customization function to set the "Interior light auto cut timer" to other than "Disable" (Refer to CUSTOMIZATION FUNCTION  ).
  2. STEP 2. Using scan tool (M.U.T.-III), read the ETACS diagnostic trouble code. 

    Check if DTC is stored in the ETACS-ECU.

    Q: Is the DTC stored? 

  3. STEP 3. Using scan tool (M.U.T.-III), check data list 

    Use the ETACS-ECU service data to check the signals related to the interior light automatic shutoff function.

    • Turn the ignition switch to the LOCK (OFF) position.
    • Open each door.
      Item No. Item name Normal condition
      254 IG voltage 1 V or less
      288 ACC switch OFF
      256 Dr door ajar switch Open
      257 As door ajar switch Open
      258 RR door ajar switch Open
      259 RL door ajar switch Open

      OK: Normal conditions are displayed for all the items. 

    Q: Is the check result normal? 

    Normal conditions are displayed for all the items.:  Go to Step 4.

    Normal condition is not displayed for item No. 254.:  Troubleshoot the ETACS-ECU. Refer to INSPECTION PROCEDURE 2: THE IGNITION SWITCH (IG1) SIGNAL IS NOT RECEIVED .

    Normal condition is not displayed for item No. 288.:  Troubleshoot the ETACS-ECU. Refer to INSPECTION PROCEDURE 1: THE IGNITION SWITCH (ACC) SIGNAL IS NOT RECEIVED .

    Normal condition is not displayed for item No. 256.:  Troubleshoot the ETACS-ECU. Refer to INSPECTION PROCEDURE 5: THE FRONT DOOR SWITCH (DRIVER'S SIDE) SIGNAL IS NOT RECEIVED .

    Normal condition is not displayed for item No. 257.:  Troubleshoot the ETACS-ECU. Refer to INSPECTION PROCEDURE 6: THE FRONT DOOR SWITCH (PASSENGER'S SIDE) SIGNAL IS NOT RECEIVED .

    Normal condition is not displayed for item No. 258.:  Troubleshoot the ETACS-ECU. Refer to INSPECTION PROCEDURE 7: THE REAR DOOR SWITCH (RH) SIGNAL IS NOT RECEIVED .

    Normal condition is not displayed for item No. 259.:  Troubleshoot the ETACS-ECU. Refer to INSPECTION PROCEDURE 8: THE REAR DOOR SWITCH (LH) SIGNAL IS NOT RECEIVED .

  4. STEP 4. Retest the system 

    Check that the interior light automatic shutoff function works normally.

    Q: Is the check result normal?