Throttle Position Sensor
WARNING: This page is about a different car, the 2002 Toyota Land Cruiser, 2002 Lexus LX 470, 2001 Toyota Land Cruiser, and 2001 Lexus LX 470. 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.