Wiper Motor: Testing and Inspection

Low Speed:
INSPECT FRONT WIPER MOTOR OPERATION
Connect the positive (+) lead from the battery to terminal 5 and the negative (-) lead to terminal 4, check that the motor operates at low speed.
If operation is not as specified, replace the motor.




High Speed:
INSPECT FRONT WIPER MOTOR OPERATION
Connect the positive (+) lead from the battery to terminal 3 and the negative (-) lead to terminal 4, check that the motor operates at high speed.
If operation is not as specified, replace the motor.

Stopping at Stop Position:
INSPECT FRONT 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 5.




b. Connect terminals 1 and 5.
c. Connect the positive (+) lead from the battery to terminal 2 and negative (-) lead to terminal 4, check that the motor stops running at the stop position after the motor operates again.
If operation is not as specified, replace the motor.

INSPECT REAR WIPER MOTOR AND RELAY OPERATION




a. Connect the positive (+) lead from the battery to terminal 1, and the negative (-) lead to terminal 3 and the motor body, check that the motor operates.




b. Disconnect the negative (-) lead from terminal 3, check that the motor stops running at the stop position.




Intermittent:
INSPECT REAR WIPER MOTOR AND RELAY OPERATION
Connect the positive (+) lead from the battery to terminal 1, and the negative (-) lead to terminal 2 and the motor body, check that the motor operates intermittently for 9 - 15 seconds. If operation is not as specified, replace the motor and relay.