2uzfe: Ecu Pinout

Features 32-bit and 16-bit CPUs with specific connectors for the A/F ratio sensors (Bank 1/Bank 2) and immobilizer system integration. Tundra & Sequoia:

| Pin # | Signal Name | Signal Description | | --- | --- | --- | | 1 | VCC | Battery voltage supply | | 2 | IGF | Ignition feedback signal | | 3 | IG | Ignition switch signal | | ... | ... | ... | | 15 | injector #1 | Fuel injector control signal (cylinder 1) | | 16 | injector #2 | Fuel injector control signal (cylinder 2) | | ... | ... | ... | | 25 | TPS | Throttle position sensor signal | | 26 | MAP | Manifold absolute pressure sensor signal | | ... | ... | ... | 2uzfe ecu pinout

In 2005, Toyota introduced drive-by-wire (Electronic Throttle Control) and VVTi across all 2UZ platforms. The pinout is drastically different. A 2004 Land Cruiser ECU will not work in a 2006 Sequoia. Features 32-bit and 16-bit CPUs with specific connectors

| Sensor/Actuator | Factory ECU Pin | Wire to Aftermarket | | :--- | :--- | :--- | | Crank Position (G1/G2) | E6-16 & E6-18 | Dedicated VR+ / VR- input | | Cam Position (G Signal) | E6-17 | Digital Input | | TPS Signal | E6-2 | Analog 0-5V Input | | ECT Sensor | E6-7 | Analog Temp Input | | IAT Sensor | E6-11 (On MAF) | Analog Temp Input | | Injector #1 | E5-10 | Injector Output 1 | | Ignition Coil #1 | E7-4 | Ignition Output 1 | | Fuel Pump | E7-6 | Aux Output (Ground) | | ... | In 2005

Constant 12V from the battery to maintain ECU memory (trim values/codes).

For check engine lights and speed signals.