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Home >> Mitsubishi >> 2014 >> Lancer ES Sportback >> Repair and Diagnosis >> External Pages >> Different car >> Section 80 (Door System) >> Symptom Procedures - Power Window >> INSPECTION PROCEDURE C-3: Relevant Power Window(S) Does Not Work By Means Of The Front And Rear Passenger's Power Window Sub Switches >> Diagnosis

INSPECTION PROCEDURE C-3: Relevant Power Window(S) Does Not Work By Means Of The Front And Rear Passenger's Power Window Sub Switches: 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. Check the power window main switch. 

    Check that the power window lock switch is turned off.

    Q: Is the check result normal? 

    • YES:  Go to Step 2.
    • NO:  Turn off the power window lock switch.
  2. STEP 2. Determine a trouble spot. 

    Q: Which power window does not work? 

    Front passenger's door:  Go to Step 3.

    Rear right door:  Go to  Step 9.

    Rear left door:  Go to  Step 15.

  3. STEP 3. Check the front power window sub switch. 

    Check that the front power window sub switch works normally. Refer to POWER WINDOW SUB SWITCH CONTINUITY CHECK  .

    Q: Is the check result normal? 

    • YES:  Go to Step 4.
    • NO:  Replace the front power window sub switch.
  4. STEP 4. Check the front power window motor (RH). 

    Check that the front power window motor (RH) works normally. Refer to POWER WINDOW MOTOR CONTINUITY CHECK  .

    Q: Is the check result normal? 

    • YES:  Go to Step 5.
    • NO:  Replace the front power window motor (passenger's side).
  5. STEP 5. Voltage measurement at front power window sub switch connector (ON line terminal). 
    1. Disconnect the connector, and measure at the wiring harness side.
    2. Turn the ignition switch to the ON position.
    3. Measure the voltage between the front power window sub switch connector (ON line terminal) and body ground.

      OK: System voltage 

    Q: Is the check result normal? 

    • YES:  Go to  Step 7.
    • NO:  Go to Step 6.
  6. STEP 6. Check of short to power supply, short to ground, and open circuit in PWM line between ETACS-ECU connector and front power window sub switch connector. 

    Q: Is the check result normal? 

  7. STEP 7. Check of short to power supply, short to ground, and open circuit in input/output line between front power window sub switch connector and front power window motor (RH) connector. 

    Q: Is the check result normal? 

    • YES:  Go to Step 8.
    • NO:  Repair the connector(s) or wiring harness.
  8. STEP 8. Retest the system. 
    1. Replace the front power window sub switch.
    2. Check that the front passenger's door power window can be operated by the front power window sub switch.

    Q: Is the check result normal? 

  9. STEP 9. Check the rear power window sub switch (RH). 

    Check that the rear power window sub switch (RH) works normally. Refer to POWER WINDOW SUB SWITCH CONTINUITY CHECK  .

    Q: Is the check result normal? 

    • YES:  Go to Step 10.
    • NO:  Replace the rear power window sub switch (RH).
  10. STEP 10. Check the rear power window motor (RH). 

    Check that the rear power window motor (RH) works normally. Refer to POWER WINDOW MOTOR CONTINUITY CHECK  .

    Q: Is the check result normal? 

    • YES:  Go to Step 11.
    • NO:  Replace the rear power window motor (RH).
  11. STEP 11. Voltage measurement at rear power window sub switch (RH) connector (ON line terminal). 
    1. Disconnect the connector, and measure at the wiring harness side.
    2. Turn the ignition switch to the ON position.
    3. Measure the voltage between the rear power window sub switch (RH) connector (ON line terminal) and body ground.

      OK: System voltage 

    Q: Is the check result normal? 

    • YES:  Go to  Step 13.
    • NO:  Go to Step 12.
  12. STEP 12. Check of open circuit in PWS line between ETACS-ECU connector and rear power window sub switch (RH) connector. 

    Q: Is the check result normal? 

  13. STEP 13. Check of short to power supply, short to ground, and open circuit in input/output line between rear power window sub switch (RH) connector and rear power window motor (RH) connector. 

    Q: Is the check result normal? 

    • YES:  Go to Step 14.
    • NO:  Repair the connector(s) or wiring harness.
  14. STEP 14. Retest the system. 
    1. Replace the rear power window sub switch (RH).
    2. Check that the rear right door power window can be operated by the rear power window sub switch (RH).

    Q: Is the check result normal? 

  15. STEP 15. Check the rear power window sub switch (LH). 

    Check that the rear power window sub switch (LH) works normally. Refer to POWER WINDOW SUB SWITCH CONTINUITY CHECK  .

    Q: Is the check result normal? 

    • YES:  Go to Step 16.
    • NO:  Replace the rear power window sub switch (LH).
  16. STEP 16. Check the rear power window motor (LH). 

    Check that the rear power window motor (LH) works normally. Refer to POWER WINDOW MOTOR CONTINUITY CHECK  .

    Q: Is the check result normal? 

    • YES:  Go to Step 17.
    • NO:  Replace the rear power window motor (LH).
  17. STEP 17. Voltage measurement at rear power window sub switch (LH) connector (ON line terminal). 
    1. Disconnect the connector, and measure at the wiring harness side.
    2. Turn the ignition switch to the ON position.
    3. Measure the voltage between the rear power window sub switch (LH) connector (ON line terminal) and body ground.

      OK: System voltage 

    Q: Is the check result normal? 

    • YES:  Go to  Step 19.
    • NO:  Go to Step 18.
  18. STEP 18. Check of open circuit in PWS line between ETACS-ECU connector and rear power window sub switch (LH) connector. 

    Q: Is the check result normal? 

  19. STEP 19. Check of short to power supply, short to ground, and open circuit in input/output line between rear power window sub switch (LH) connector and rear power window motor (LH) connector. 

    Q: Is the check result normal? 

    • YES:  Go to Step 20.
    • NO:  Repair the connector(s) or wiring harness.
  20. STEP 20. Retest the system. 
    1. Replace the rear power window sub switch (LH).
    2. Check that the rear left door power window can be operated by the rear power window sub switch (LH).

    Q: Is the check result normal? 

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