July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!
Display Signal Circuit (From Multi-Display Controller Sub-ASSY): Wiring Diagram
WARNING: This page is about a different car, the 2005 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Display Signal Circuit (From Multi-Display Controller Sub-Assy)