Windshield Wiper Motor Inspection

INSPECTION

WINDSHIELD WIPER MOTOR CHECK

Remove the windshield wiper motor and inspect it at the harness connector.

WINDSHIELD WIPER MOTOR AT LOW OR HIGH SPEED OPERATION





Connect the battery to the windshield wiper motor to inspect the operation of motor rotation at low or high speed.

WINDSHIELD WIPER MOTOR AT STOP POSITION OPERATION





1. Connect the battery to the windshield wiper motor as shown in the illustration (A).
2. 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.
3. As shown in the illustration (B), connect the terminals of the windshield wiper motor connector.
4. Check to see that the windshield wiper motor runs at low speed and then stops at the automatic stop position.

WINDSHIELD WIPER SWITCH CHECK





Check continuity between the switch terminals.






WINDSHIELD INTERMITTENT WIPER INTERVAL CHECK





Check that the resistance varies between 0 and 1 kohms when the windshield intermittent interval is turned from FAST to SLOW by after measuring resistance between connector terminals 27 and 28 at the column switch.