DESCRIPTION The main body ECU (multiplex network body ECU) detects a high beam headlight illumination request signal of the automatic high beam system from the forward recognition camera.
WIRING DIAGRAM  PROCEDURE
(a) Check front camera system. Click here
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Power Window Control System(for Hv Model): Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE: Before replacing the main body ECU (multiplex network body ECU), refer to Registration. Click here HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in orde ...
