FixVault

System Diagram

WARNING: This page is about a different car, the 2004 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Fuel System Diagram
G02852906Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

The fuel system is controlled by the ECM based on intake air flow amount.

Fig 2: Fuel System Wiring Diagram
G02852907Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002