Wiper Motor: Testing and Inspection

WINDSHIELD WIPER MOTOR ASSEMBLY
a. LO Operation Check
1. Connect the positive battery (+) lead to terminal 3 (+1) of the connector, and the negative battery (-) lead to terminal 1 (E), and check that the motor operates at low speed (LO).
b. HI Operation Check
1. Connect the positive battery (+) lead to terminal 2 (+2) of the connector, and the negative battery (-) lead to terminal 1 (E), and check that the motor operates at high speed (HI).




c. Automatic Stop Operation Check
1. Put matchmarks on the windshield wiper motor assembly.
2. Connect the positive battery (+) lead to terminal 3 (+1) of the connector, and the negative battery (-) lead to terminal 1 (E). With the motor operating at low speed (LO), disconnect terminal 3 (+1) to stop wiper motor operation at any position other than the matchmarks.
3. Using SST, connect terminals 3 (+1) and 5 (S), and the positive battery (+) lead to terminal 6 (B) to restart motor operation at low speed.
SST 09843-18040

4. Align the matchmarks with the windshield wiper motor assembly.