Wiper Motor: Testing and Inspection

WIPER AND WASHER: FRONT WIPER MOTOR AND LINK: INSPECTION

INSPECTION

1. INSPECT WINDSHIELD WIPER MOTOR ASSEMBLY





(a) Check operation.
(1) Apply battery voltage to the wiper motor connector and check operation of the wiper motor.
OK:






If the result is not as specified, replace the motor assembly.





(b) Check automatic stop operation.
(1) Connect the battery's positive (+) lead to terminal 5 (+1) and the negative (-) lead to terminal 4 (E), operate the motor at low speed and stop the motor operation anywhere except at the stop position by disconnecting the positive (+) lead.
(2) Using a service wire, connect terminals 5 (+1) and 1 (S).
(3) Connect the battery's positive (+) lead to terminal 2 (B). Check that the motor operates again and stops at the stop position.
If the result is not as specified, replace the motor assembly.