If the AWD has been disabled a light on the dash will indicate "FWD".
Otherwise, if it drives smoothly and gives no indication of a problem, it is working. The Subaru AWD mechanism very seldom fails but when they do there will be no question that something is wrong. Enjoy your car.
Subaru Outback was created in 1995.
The Subaru Outback is sold in the US.
The 2002 Subaru Outback has 16 valves.
The 2001 Subaru Outback has 16 valves.
The 2005 Subaru Outback has 16 valves.
The 2007 Subaru Outback has 16 valves.
The 2004 Subaru Outback has 16 valves.
The 2006 Subaru Outback has 16 valves.
The 2009 Subaru Outback has 16 valves.
The 2003 Subaru Outback has 16 valves.
The 2010 Subaru Outback has 16 valves.
The 2012 Subaru Outback has 16 valves.