Inspection Procedure 3: The windshield wipers do not stop at the specified park position: 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 windshield wiper motor.
1. Disconnect windshield wiper motor connector.
2. Connect the battery to the windshield wiper motor as shown in the illustration (A).
3. Run the windshield wiper motor at low speed, then disconnect the battery in the middle of the motor rotation and check to see that the motor stops.
4. Connect the battery to the windshield wiper motor as shown in the illustration (B).
5. Connect the terminals of the windshield wiper motor connector as shown in the illustration (B).
6. Check to see that the windshield wiper motor runs at low speed and then stops at the automatic stop position.
Q: Is the check result normal?
- YES: Go to Step 2.
- NO: Replace the windshield wiper motor.
  
  Fig 1: Checking Windshield Wiper Motor
  Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
STEP 2. Measure the voltage at windshield wiper motor connector.
1. Disconnect the connector, and measure the voltage at the wiring harness side.
2. Set the ignition switch to the ACC position.
3. Measure the voltage between the windshield wiper motor connector (ACC terminal) and the body ground.
  OK: System voltage
Q: Is the check result normal?
- YES: Go to Step 4.
- NO: Go to Step 3.
STEP 3. Check of short to power supply, short to ground, and open circuit in power supply line between windshield wiper motor connector and ignition switch (ACC).
Q: Is the check result normal?
- YES: The trouble can be an intermittent malfunction (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION ).
- NO: Repair the connector(s) or wiring harness
STEP 4. Check of short to power supply, short to ground, and open circuit in W. AS, WACC line between windshield wiper motor connector and ETACS-ECU 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.
Check that the windshield wipers stop at the specified park position.

Q: Is the check result normal?
- YES: Intermittent malfunction (Refer to HOW TO COPE WITH INTERMITTENT MALFUNCTION ).
- NO: Replace the ETACS-ECU.