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Inspection Procedure 11: None of the turn-signal lights illuminate: 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), read the diagnostic trouble code 
    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 SCAN TOOL (M.U.T.-III) ."
    2. Turn the ignition switch to the "ON" position.
    3. Check whether the ETACS-ECU related DTC is stored.
    4. Turn the ignition switch to the "LOCK" (OFF) position.

    Q: Is the DTC stored? 

  2. STEP 2. Using scan tool (M.U.T.-III), check data list 

    Using the ETACS-ECU service data, check the signals related to the illumination of turn-signal light.

    • Turn the ignition switch to the ON position.
    • Turn the turn-signal light switch to the left position.
      Item No. Item name Normal condition
      254 IG voltage Battery positive voltage
      343 Turn switch left ON
    • Turn the turn-signal light switch to the right position.
      Item No. Item name Normal condition
      344 Turn switch right ON

      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 3.

    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. 343 or 344.:  Troubleshoot the ETACS-ECU. Refer to INSPECTION PROCEDURE 11 "THE COLUMN SWITCH SIGNAL IS NOT RECEIVED " .

  3. STEP 3. Retest the system 

    Check that the turn-signal lights illuminate.

    Q: Is the check result normal? 

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