FixVault

System Diagram

WARNING: This page is about a different car, the 2006 Toyota Corolla and 2005 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: System Diagram - Built-In Type Amplifier
G02600220Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: System Diagram - Separate Type Amplifier
G02600221Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002