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Home >> Lexus >> 2002 >> SC 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 73 (Wiper/Washer & Headlight Cleaner Systems) >> Component Tests >> Wiper Motor

Wiper Motor

WARNING: This page is about a different car, the 2002 Lexus GS 430 and 2002 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. Low Speed -  Inspect the wiper motor operation. Connect the positive (+) lead from the battery to terminal No. 5 and the negative (-) lead to terminal No. 4, check that the motor operation at low speed. See CONNECTOR IDENTIFICATION . If operation is not as specified, replace the motor. See WIPER MOTOR  under REMOVAL & INSTALLATION.
  2. High Speed -  Inspect the wiper motor operation. Connect the positive lead from the battery to terminal No. 3 and the negative (-) lead to terminal No. 4, check that the motor operates at high speed. See CONNECTOR IDENTIFICATION . If the operation is not as specified, replace the motor. See WIPER MOTOR  under REMOVAL & INSTALLATION.
  3. Stopping At Stop Position -  Inspect the wiper motor operation. Operate the motor at a low speed and stop the motor operation anywhere except at the stop position by disconnecting the positive (+) lead from terminal No. 5. See CONNECTOR IDENTIFICATION . Connect terminals No. 1 and No. 5. Connect the positive (+) lead from the battery to terminal No. 2 and negative (-) lead to terminal No. 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. See WIPER MOTOR  under REMOVAL & INSTALLATION.
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