Avalon, Camry, Camry Solara, Highlander, Sienna, Tacoma, Tundra 3.4L V6 & 4Runner
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2002 Toyota Tundra, 2002 Toyota Tacoma, 2002 Toyota Sienna, 2002 Toyota Sequoia, and 2002 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
Power steering pressure switch is located on power steering pump, near pressure hose. Testing information is not available from manufacturer.