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Home >> Lexus >> 2023 >> RC F Base >> Repair and Diagnosis (Single Page) >> Restraints >> Restraints Control Systems >> Pre-Collision System - Diagnostic Codes (2 Of 2) & Circuit Tests >> Pre-Collision System >> ECU Power Source Circuit [11/2017 - 01/2023] >> Description

ECU Power Source Circuit [11/2017 - 01/2023]: Description

This circuit supplies power to the driving support ECU assembly when the engine switch is on (IG).