2uzfe Ecu Pinout Jun 2026

For scanning and tuning:

The 2UZ-FE engine control system utilizes a Sequential Fuel Injection (SFI) system that requires precise pin identification for sensors and actuators. 2uzfe ecu pinout

Always verify these against the specific wiring diagram for your model year. Pin numbers are viewed from the wire side of the connector. For scanning and tuning: The 2UZ-FE engine control

On 2003+ VVT-i models, check the ETCS fuse power and the M-REL circuit. If the electronic throttle motor isn't getting dedicated power, the engine will only idle. 2uzfe ecu pinout

Early models (e.g., 1998–2002 Land Cruiser) differ in pin assignments from later VVTi versions that include variable valve timing controls and electronic throttle.