Features high-definition diagrams covering the SFI (Sequential Fuel Injection) system and Electronic Throttle Control (ETCS-i).
If you have an engine from a 2005-2007 Tundra or 2006-2011 Land Cruiser, stop using the chart above. You need the "Electronic Throttle Control System" pinout.
Fix: Use a Dakota Digital SGI-5E to convert your transmission output signal to a 4-pulse-per-revolution square wave. 2uzfe ecu pinout
However, when swapping this engine, dealing with electrical faults, or installing aftermarket engine management, understanding the is critical. The ECU (Engine Control Unit) manages fuel injection, ignition timing, and emission systems, making it the "brain" of the operation.
Ultimate Guide to 2UZ-FE ECU Pinout: Wiring, Diagnostics, and Pin Identification Fix: Use a Dakota Digital SGI-5E to convert
Check the color codes above—Toyota was mercifully consistent with wire colors across decades. If the wire is Light Green with a Black stripe , it is almost always the Engine Coolant Temp sensor on every 2UZ made.
: Constant battery power for memory and backup functions. Ultimate Guide to 2UZ-FE ECU Pinout: Wiring, Diagnostics,
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:
Sequential control allows individual injector management.