System Diagram

WARNING: This page is about a different car, the 2008 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.

Without Smart Key System:

Fig 1: SFI System Wiring Diagram - Without Smart Key System (1 Of 3)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: SFI System Wiring Diagram - Without Smart Key System (2 Of 3)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 3: SFI System Wiring Diagram - Without Smart Key System (3 Of 3)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
With Smart Key System:

Fig 4: SFI System Wiring Diagram - With Smart Key System (1 Of 3)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 5: SFI System Wiring Diagram - With Smart Key System (2 Of 3)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 6: SFI System Wiring Diagram - With Smart Key System (3 Of 3)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002