Where is the throttle position sensor for 1994 Toyota Previa?

The throttle position sensor is under the drivers seat. Pull the locking latch above the gas cap doors release( front left on drivers seat) it has a yellow colored rubber coating on it. Push the seat back out of the way and open the engine access hatch there under the carpet flap. Once its open and put aside out of the way you can look and see the throttle body. It has the air intake connected to the front (approx. 3" in diameter) and three small 1/4" vacuum hoses on top. On the right side of the throttle body you will find the throttle position sensor. It is fastened by two screws and has a wire connector with two wires attached to it. It is dome shaped and a black colored plastic material.