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Home >> Lexus >> 2017 >> IS 350 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Adaptive Front-Lighting System - Diagnostic Codes & Circuit Tests >> AFS (Adaptive Front-Lighting System) >> ECU Power Source Circuit [10/2016 - 09/2020] >> Description
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ECU Power Source Circuit [10/2016 - 09/2020]: Description

This circuit detects the state of the engine switch and sends it to the headlight swivel ECU assembly.

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