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Home >> Mitsubishi >> 2012 >> Lancer Evolution MR >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Wiper/Washer Systems >> Windshield Wiper System And Washer System - Lancer Evolution >> Windshield Wiper And Washer Diagnosis >> Symptom Procedures >> INSPECTION PROCEDURE 10: The Windshield Washer Does Not Work Normally >> Circuit Operation
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Circuit Operation

The windshield washer switch sends a signal through the column-ECU (incorporated in the column switch) to the ETACS-ECU. If the column-ECU sends a windshield washer switch "ON" signal to the ETACS-ECU, the ETACS-ECU turns on the relay (incorporated in the ETACS-ECU), thus causing the washer motor to be turned on.

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