FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Lexus
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1999
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LS 400 V8-4.0L (1UZ-FE)
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Repair and Diagnosis
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Sensors and Switches
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Sensors and Switches - Wiper and Washer Systems
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Wiper Switch
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Description and Operation
Wiper Switch: Description and Operation
CIRCUIT DESCRIPTION
Body ECU judges the switch position with the terminal voltage of the wiper and washer switch and runs the wiper motor.