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Home >> Lexus >> 2015 >> IS 350 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Lighting System (Ext) - Diagnostic Codes & Circuit Tests >> Lighting System >> Power Source Circuit [09/2020 - ] >> Description

Power Source Circuit [09/2020 - ]: Description

The main body ECU (multiplex network body ECU) receives IG signals and supplies power to the headlight ECU sub-assemblies via the H-LP relays.

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