On a standalone, you will lose the factory immobilizer, traction control, and cruise control functions. That is acceptable for a race car.
For check engine lights and speed signals. 2uzfe ecu pinout
If you are swapping a 2005+ 2UZ, you have three options: On a standalone, you will lose the factory
Coolant Temperature Sensor (important for cold start enrichment). Wiring for Swaps: The "Stand-Alone" Checklist On a standalone
If you want the pin numbers and functions in a downloadable table or a labeled connector diagram for a specific 2UZ-FE ECU year/model, tell me the model year and vehicle and I’ll produce it.