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Home >> Lexus >> 2010 >> GS 350 RWD >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Lighting (Diagnostic Codes & Circuit Tests) >> Lighting System >> Headlight Signal Circuit >> Description

Headlight Signal Circuit: Description

The cowl side junction block ECU RH receives the HEAD position signal from the light control switch.

It also receives the signal from the combination switch via the multiplex communication system.