Wiper Motor: Testing and Inspection

WINDSHIELD WIPER MOTOR ASSEMBLY




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

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

c. Automatic Stop Operation Check
1. Connect the battery (+) to terminal 1 (+1) of the connector, the battery (-) to terminal 5 (E) of the connector. With the motor being rotated at low speed (LO), disconnect terminal 1 (+1) to stop the wiper motor operation at any position except the automatic stop position.
2. Using SST, connect terminal 1 (+1) and 3 (S), and the battery (+) to terminal 2 (B) to restart the motor operation at low speed (LO).

SST 09843-18040




3. Check the automatic stop position.

Ok: See the illustration.




REAR WIPER MOTOR ASSEMBLY
a. Operation Check
1. Connect the battery (+) to terminal 4 (+1) of the connector, the battery (-) to terminal 1 (-) of the connector, and check that the rear wiper motor operates

b. Automatic Stop Position Operation Check
1. Connect the battery (+) to terminal 2 (+B) of the connector, the battery (-) to terminal 3 (S) of the connector. With the motor being rotated, disconnect terminal 4 (+1) to stop the motor operation at any position except the automatic stop position.
2. Connect the battery (+) to terminal 2 (+B) to restart the motor operation, then check that the wiper arm blade stops automatically at a certain position.