Most of the time it means that the AC refrigerant has leaked out or that the AC doesn't work for some reason. Understand that most vehicles engage the AC when the defroster is on because the AC will dry the air, clearing the windshield quicker. If you turn on the Defroster and the AC light flashes, it just means that the AC won't turn on.
The 2003 Toyota 4Runner has a V6 engine.
The 2003 Toyota 4Runner has 24 valves.
The 2003 Toyota 4Runner has a 4-speed automatic.
The 2003 Toyota 4Runner is a gas-powered vehicle.
The 2003 Toyota 4Runner has a 31 degrees angle of approach.
The maximum payload of the 2003 Toyota 4Runner is 1095 lbs..
The curb weight of the 2003 Toyota 4Runner is 4025 lbs..
The 2003 Toyota 4Runner is 15 ft. 9 in. (189 in.) long.
The height of the 2003 Toyota 4Runner is 5 ft. 9.1 in. (69.1 in.).
The 2003 Toyota 4Runner's turning circle is 36.7 ft..
The 2003 Toyota 4Runner has double overhead cam (DOHC).
The 2003 Toyota 4Runner has a 24 degrees angle of departure.