As of 2015, Subaru vehicle owners can find engine wiring schematics on websites such as SmartMins.com, SerpentineBeltHq.com, CarPartsDiagram.com and AutoZone.com. The sites feature schematics for different models of Subaru vehicles.
SmartMins.com offers a wiring schematic for the Subaru Impreza model. The schematic shows the various parts of the engine, including the knock sensor, mass air flow sensor, GB 1-5, throttle position sensor and various valves. The motorist can view the schematic on the site or save it to the PC.
Owners of the 1997 Subaru Impreza 2.2L can view an engine serpentine belt schematic on SerpentineBeltHq.com. The schematic shows the various parts, including the idler, timing belt, sprocket, belt tensioner, piston position marks and many more.
CarPartsDiagram.com provides visitors with a schematic that shows the various parts of a 2010 Subaru Forester engine. The schematic shows 46 different parts that make up the engine, with each part numbered and named for easier identification.
AutoZone.com gives the visitor a list of vacuum schematics for engines belonging to Subaru models manufactured between 1985 and 1996. To use a schematic, the visitor should refer to the emission control information label on the particular vehicle. Available schematics include a vacuum diagram for the 1986-1987 carbureted engines and a vacuum schematic for a 1986-1987 1.8L fuel-injected engine.