Throttle Position Sensor
WARNING: This page is about a different car, the 2003 Toyota RAV4, 2002 Toyota RAV4, 2002 Toyota Highlander, 2001 Toyota RAV4, and 2001 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
Throttle Position (TP) sensor delivers an input signal to ECM indicating throttle position. TP sensor is located on side of throttle body.