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Home >> Lexus >> 2017 >> IS 350 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Automatic Headlight Beam Level Control System - Diagnostic Codes & Circuit Tests >> Automatic Headlight Beam Level Control System >> Headlight Leveling ECU Power Source Circuit [04/2013 - 10/2016] >> Description
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Headlight Leveling ECU Power Source Circuit [04/2013 - 10/2016]: Description

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

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