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Home >> Toyota >> 2019 >> Sequoia SR5, 4WD >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Automatic High Beam System - Diagnostic Codes & Symptom Tests >> Automatic High Beam System >> Automatic High Beam System does not Operate or Operation Indicator does not Illuminate [08/2017 - 08/2019] >> Description

Automatic High Beam System does not Operate or Operation Indicator does not Illuminate [08/2017 - 08/2019]: Description

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