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Home >> Lexus >> 2017 >> IS 200t 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 [10/2016 - 09/2020] >> Description

ECU Power Source Circuit [10/2016 - 09/2020]: Description

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