INSPECTION PROCEDURE C-4: Front and/or Rear Passenger's Power Window(S) Do Not Work By Means Of The Power Window Main Switch: 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.

STEP 1. Check the power window main switch.
Check that the driver's power window works by means of the power window main switch.

Q: Is the check result normal?
- YES: Go to Step 2
- NO: Refer to INSPECTION PROCEDURE 2 "DRIVER'S POWER WINDOW DOES NOT WORK BY MEANS OF THE POWER WINDOW MAIN SWITCH ."
STEP 2. Check the power window sub switch.
Check that each power window works by means of the respective power window sub switch when the power window lock switch is turned off.

Q: Is the check result normal?
- YES: Go to Step 3
- NO: Refer to INSPECTION PROCEDURE 3 "RELEVANT POWER WINDOW(S) DOES NOT WORK BY MEANS OF THE FRONT AND REAR PASSENGER'S POWER WINDOW SUB SWITCHES ."
STEP 3. Determine a trouble spot.
Q: Which power window does not work?

Front passenger's door: Go to Step 4

Rear right door: Go to Step 6

Rear left door: Go to Step 8
STEP 4. Check of short to power supply, short to ground, and open circuit in U.AS, D.AS line between power window main switch connector and front power window sub switch connector.
Q: Is the check result normal?
- YES: Go to Step 5
- NO: Repair the connector(s) or wiring harness.
STEP 5. Retest the system.
1. Replace the front power window sub switch.
2. Check that the front passenger's power window works by means of the power window main switch.
Q: Is the check result normal?
- YES: Intermittent malfunction (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION ).
- NO: Replace the power window main switch (Refer to DOOR TRIM ).
STEP 6. Check of short to power supply, short to ground, and open circuit in U.RR, D.RR line between power window main switch connector and front power window sub switch connector.
Q: Is the check result normal?
- YES: Go to Step 7
- NO: Repair the connector(s) or wiring harness.
STEP 7. Retest the system.
1. Replace the rear power window sub switch (RH).
2. Check that the rear right power window works by means of the power window main switch.
Q: Is the check result normal?
- YES: Intermittent malfunction (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION ).
- NO: Replace the power window main switch (Refer to DOOR TRIM ).
STEP 8. Check of short to power supply, short to ground, and open circuit in U.RL, D.RL line between power window main switch connector and front power window sub switch connector.
Q: Is the check result normal?
- YES: Go to Step 9
- NO: Repair the connector(s) or wiring harness.
STEP 9. Retest the system.
1. Replace the rear power window sub switch (LH).
2. Check that the rear left power window works by means of the power window main switch.
Q: Is the check result normal?
- YES: Intermittent malfunction (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION ).
- NO: Replace the power window main switch (Refer to DOOR TRIM ).