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Home >> Mitsubishi >> 2014 >> Lancer ES Sportback >> Repair and Diagnosis >> Accessories & Equipment >> Wiper/Washer Systems >> Windshield Wiper & Washer System - Lancer >> Symptom Procedures >> INSPECTION PROCEDURE 10: The windshield washer does not work normally >> Circuit Operation

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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