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Home >> Lexus >> 2007 >> IS 250 AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Lighting >> Lighting System >> Interior Light Switch Signal Circuit >> Description

Interior Light Switch Signal Circuit: Description

The main body ECU RH receives information on the front interior light switch (marked ON/OFF).

The main body ECU LH receives information on the front interior light switch (marked DOOR).

According to the position of each switch, the main body ECU RH controls the turning on and off of the interior lights, and the main body ECU LH controls the illuminated entry system.

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