First launched in 1967, the Toyota Hiace has since been available in a wide range of configurations, including minivan (MPV) and minibus, van, pick-up, taxi, ambulance and motorhome.
The following wiring diagram (EWD622E) and electrical system schematics/ circuit apply for Toyota Hiace 2006 model years. This manual covers detail descriptions and illustrations about the Anti-lock Brake System, Audio System, Automatic Light Control, Back-up Light, Charging, Cigarette Lighter, Clock, Combination Meter, Cooling Fan, Door Lock Control, Engine Control, Air Conditioner System, Headlight Beam Level Control, Horn, Ignition, Illumination, Multiplex Communication System, Power Source, Power Window, Rear Air Conditioner, Remote Control Mirror, Relay, Instrument Panel Wire, etc.
Find more about Toyota Hiace Wiring Diagram and Electrical System here. (source: wikipedia.com, bojo.hopto.org)
Find also other Toyota Wiring Diagram you might be interested.