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Home >> Lexus >> 2004 >> RX 330 AWD V6-3.3L (3MZ-FE) >> Repair and Diagnosis >> Wiper and Washer Systems >> Wiper Motor >> Testing and Inspection
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Wiper Motor: Testing and Inspection




WINDSHIELD WIPER MOTOR ASSY
a. LO Operation Check
1. Connect the positive battery (+) lead to terminal 1 (+1) of the connector, and the negative battery (-) lead to terminal 5 (E), and check that the motor operates with low speed (LO).
b. HI Operation Check
1. Connect the positive battery (+) lead to terminal 4 (+2) of the connector, and the negative battery (-) lead to terminal 5 (E), and check that the motor operates with high speed (HI).




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




REAR WIPER MOTOR ASSY
a. Connect the positive battery (+) lead to terminal 1 (+B) of the connector, the negative battery (-) lead to terminal 3 (LS) and rear wiper motor assy body, and check that the rear wiper motor assy operates.




b. Automatic Stop Position Operation Check
1. Connect the positive battery (+) lead to terminal 1 (+B) of the connector, the negative battery (-) lead to terminal 3 (LS) and rear wiper motor assy body. With the motor being rotated disconnect the terminal 3 (LS) from the battery (-), then check that the wiper motor stops automatically at the automatic stop position.
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