2uzfe Ecu Pinout Jun 2026

You have power at the dash, but the CEL doesn't illuminate when you turn the key? Don't blame the ECU yet.

Most 2UZ-FE ECUs from 2001 onward feature a factory engine immobilizer system. If you try to start a swapped engine without the original transponder key and amplifier ring, You have three options to bypass this problem: 2uzfe ecu pinout