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Home >> Mitsubishi >> 2014 >> Lancer SE >> Repair and Diagnosis >> External Pages >> Different car >> Section 80 (Door System) >> Symptom Procedures - Central Door Locking System >> INSPECTION PROCEDURE A-2: Central door locking system does not operate even when door lock switch of power window main switch operated >> Diagnosis

INSPECTION PROCEDURE A-2: Central door locking system does not operate even when door lock switch of power window main switch operated: 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. Checking central door locking system operation. 

    Check that the central door locking system works normally.

    Q: Is the check result normal? 

  2. STEP 2. Central door lock switch check (built in the power window main switch). 

    Check that the central door lock switch works normally (Refer to CENTRAL DOOR LOCK SWITCH CHECK  ).

    Q: Is the check result normal? 

    • YES:  Go to Step 3.
    • NO:  Replace the power window main switch.
  3. STEP 3. Check of short to power supply, short to ground, and open circuit in D-LS, D-US line between ETACS-ECU connector and power window main switch connector. 

    Q: Is the check result normal? 

    • YES:  Go to Step 4.
    • NO:  Repair the connector(s) or wiring harness.
  4. STEP 4. Retest the system. 

    Check that the central door locking system works normally.

    Q: Is the check result normal? 

    • YES:  No action is necessary and testing is complete.
    • NO:  Replace ETACS-ECU.