Using TOYOTA Hand-Held Tester
WARNING: This page is about a different car, the 2003 Toyota Tundra, 2002 Toyota Tundra, and 2001 Toyota Tundra. However, it is still accessible from the selected car via links, so may be relevant.
Connect hand held tester to DLC3. Turn ignition to ON position. Operate hand held tester to erase codes. Refer to operator's manual for further instructions