Wiring Diagrams
WARNING: This page is about a different car, the 2003 Lexus ES 300 and 2002 Lexus ES 300. However, it is still accessible from the selected car via links, so may be relevant.
For moon roof wiring diagram, see POWER TOP/SUNROOF in SYSTEM WIRING DIAGRAMS article in ELECTRICAL.
For rear sun shade wiring diagram, see Fig 1.