Power Source Circuit [10/2018 - ]: Description
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When the engine switch is on (IG) or the operation conditions of the headlights are met, the main body ECU (multiplex network body ECU) supplies power to the No. 1 headlight ECU sub-assemblies via the H-LP LH relay and H-LP RH relay.
When the engine switch is on (IG), the main body ECU (multiplex network body ECU) supplies power to the No. 1 headlight ECU sub-assemblies via the IG1 NO. 3 relay.