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 had held tester to DLC3. Start vehicle and drive straight forward faster than 28 mph and stop vehicle. Read DTC by following prompts on tester screen. Refer to hand held tester operator's manual for further details.