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Home >> Lexus >> 2017 >> IS 300 F Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (Lighting System (Ext) - Diagnostic Codes & Circuit Tests) >> Lighting System >> Automatic High Beam System does not Operate or Operation Indicator does not Illuminate [09/2020 - ] >> Description

Automatic High Beam System does not Operate or Operation Indicator does not Illuminate [09/2020 - ]: Description

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2024 Lexus IS 500, 2024 Lexus IS 350, 2024 Lexus IS 300, 2023 Lexus IS 500, and 2023 Lexus IS 350. However, it is still accessible from the selected car via links, so may be relevant.

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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