2uzfe: Ecu Pinout

Total pins: 68. Some hybrid models (like the 4Runner) use a 4th smaller connector for chassis integration.

2UZ-FE ECM Terminal Specifications (Scribd) : Detailed voltage and pulse waveform data. 2uzfe ecu pinout

Leave your year and model below—the community runs on shared pinout knowledge. Total pins: 68

| Function | Typical Pin Location (Connector C) | Wire Color (Approx) | | :--- | :--- | :--- | | | Pin 1 (C) | White/Red | | Switched Ignition +12V (IG SW) | Pin 5 (C) | Black/Yellow | | Power Ground (ECU Main) | Pin 14, 15 (C) | White/Black | | Sensor Ground (Signal Return) | Pin 13 (C) | Brown | Leave your year and model below—the community runs

Coolant Temperature Sensor (important for cold start enrichment). Wiring for Swaps: The "Stand-Alone" Checklist