Wiper Motor: Testing and Inspection

Low speed:

INSPECT WIPER MOTOR OPERATION
Connect the positive (+) lead from the battery to terminal 3 and the negative (-) lead to terminal 1, check that the motor operates at low speed.
If operation is not as specified, replace the motor.

High speed:

INSPECT WIPER MOTOR OPERATION
Connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 1, check that the motor operates at high speed.
If operation is not as specified, replace the motor.

Stopping at stop position:

INSPECT WIPER MOTOR OPERATION




a. Operate the motor at low speed and stop the motor operation anywhere except at the stop position by disconnecting positive (+) lead from terminal 3.




b. Connect terminals 1 and 3.
c. Connect the positive (+) lead from the battery to terminal 2 and negative (-) lead to terminal 5, check that the motor stops running at the stop position after the motor operates again.
If operation is not as specified, replace the motor.