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Home >> Lexus >> 2021 >> RX 350 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Exterior Lights >> Lighting System (W/ Automatic Headlight Beam Level Control System) - Diagnostic Codes & Circuit Tests >> LIGHTING SYSTEM (w/ Automatic Headlight Beam Level Control System) >> Automatic High Beam System does not Operate or Operation Indicator does not Illuminate [08/2019 - 07/2020] >> Description
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Automatic High Beam System does not Operate or Operation Indicator does not Illuminate [08/2019 - 07/2020]: Description

The main body ECU (multiplex network body ECU) controls the automatic high beam system based on signals received from the forward recognition camera.

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