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Home >> Lexus >> 2021 >> GX 460 Premium >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Pre-Collision System (Diagnostic Codes & Circuit Tests) >> Pre-Collision System >> ECU Power Source Circuit [08/2019 - ] >> Description
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ECU Power Source Circuit [08/2019 - ]: Description

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

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