If you are dealing with a heavily modified 2UZ-FE, it is often advisable to use an aftermarket ECU to make wiring more straightforward. If you'd like, I can:
While this guide gives you the general framework, always download the for your specific year and model. The best sources include: 2uzfe ecu pinout
For exact wiring colors and voltage specifications across different model years (1998–2012), refer to these specialized technical guides: Full Pin Tables If you are dealing with a heavily modified
Always verify these against the specific wiring diagram for your model year. Pin numbers are viewed from the wire side of the connector. 2uzfe ecu pinout