2uzfe Ecu Pinout [upd] Jun 2026

If you are swapping a 2UZ-FE (Toyota 4.7L V8) into a different chassis (like a 1UZ swap or a restomod) or diagnosing electrical gremlins, the ECU pinout is your bible. The 2UZ-FE was used in the Land Cruiser, Tundra, Sequoia, and 4Runner, and the pinouts differ slightly based on the year and transmission type.

As these engines have been used in many vehicles (like the Toyota Tundra, Sequoia, Land Cruiser, and Lexus LX 470) across two decades, pin assignments and wire colors can and do change. Always verify your findings with the official diagrams for your vehicle. 2uzfe ecu pinout

Before looking at pins, you must identify your engine harness/ECU year. The 2UZ-FE went through three main phases: If you are swapping a 2UZ-FE (Toyota 4