The following wiring diagram and electrical schematics apply for 1997 Toyota Avalon series. Here you will find detail schematics and wiring diagram of followings parts/functions: Engine Performance Circuit, A/C Circuit, Anti-lock brake system, Anti-theft system, Back-up lamps, Charging system, Computer data lines, Cooling fan circuit. Find more information about Toyota Avalon Wiring Diagram and Electric Schematic.