Circuit Description
WARNING: This page is about a different car, the 2002 Lexus LX 470 and 2001 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.
This tests VSC control main switch. When the center differential is locked, VSC control goes off and the VSC OFF indicator lights up. Also, VSC OFF indicator light is on when the VSC system is at fail safe control.