How to locate speed sensor in 2004 sienna?

To locate the speed sensor in a 2004 Toyota Sienna, first, ensure the vehicle is parked on a level surface and the engine is off. The speed sensor is typically located on the transmission, near where the transmission meets the engine. You may need to remove the engine cover or other components for better access. Consult the vehicle's service manual for detailed diagrams and specific instructions if necessary.