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Home >> Lexus >> 2013 >> IS 350 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Wiper/Washer Systems >> Wiper System And Washer System (Diagnostics & Circuit Tests) >> Wiper And Washer System >> Circuit Tests >> Wiper Switch (HI Speed) Circuit >> Description

Wiper Switch (HI Speed) Circuit: Description

The main body ECU LH (cowl side J/B LH) receives a HI position signal from the windshield wiper switch assembly to operate the wiper motor at HI speed.

Even if the ECU malfunctions, this circuit structure enables it to operate the wiper in HI operation mode.

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