Wiper Motor: Testing and Inspection

WINDSHIELD WIPER MOTOR ASSEMBLY




a. LO Operation Check
1. Connect the positive (+) lead from the battery to terminal 1 (+1) and the negative (-) lead to terminal 5 (E), check that the motor operates at low speed.

b. HI Operation Check
1. Connect the positive (+) lead from the battery to terminal 4 (+2) and the negative (-) lead to terminal 5 (E), and check that the motor operates at high speed.




c. Automatic Stop Operation Check
1. Connect the positive (+) lead from the battery to terminal 1 (+1) and the negative (-) lead to terminal 5 (E), and operate the motor at low speed and stop the motor operation anywhere except at the stop position by disconnecting positive (+) lead from terminal 1 (+1).
2. Connect terminals 1 (+1) and 3 (S).
3. Connect the positive (+) lead from the battery to terminal 2(B), and check that the motor stops running at the stop position after the motor operates again.

REAR WIPER MOTOR ASSEMBLY




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

NOTE: The body earth should be connected.




b. Automatic Stop Position Operation Check
1. Connect the positive (+) lead from the battery to terminal 1 (+B) and the negative (-) lead to terminal 3 (LS).

NOTE: The body earth should be connected.

2. With the motor being rotated, disconnect terminal 1 (+B) and terminal 3 (LS) to stop the motor operation at any position except the automatic stop position.
3. Connect the positive (+) lead from the battery to terminal 1 (+B), and check that the motor is restarted and automatically stopped.

NOTE: The body earth should be connected.