Denso Ecu Pinout Database May 2026

Whether you are reviving a dead 22R-E in a 1987 Pickup or tuning a 2GR-FE for 400 horsepower, the pinout is your covenant with the engine. Treat it with precision, and the Denso ECU will reward you with a million miles of reliable service.

In the world of automotive electronics, few names carry as much weight as Denso. As the primary electronics supplier for Toyota, Lexus, Suzuki, Honda, Mazda, and a host of heavy-duty commercial vehicles, Denso Engine Control Units (ECUs) are the brains behind millions of vehicles on the road today. denso ecu pinout database

Whether you are a professional tuner chasing horsepower on a dyno, a diagnostic technician chasing a crank-no-start condition, or a hobbyist wiring a standalone engine into a classic chassis, one thing becomes clear immediately: Whether you are reviving a dead 22R-E in

| Abbreviation | Meaning | Danger Zone | | :--- | :--- | :--- | | | Main Battery Power (12V) | Do not ground. | | E1, E01, E02 | ECU Ground (Sensor & Power return) | Must have 0 ohms to chassis. | | VCC, VC | 5V Sensor Supply | Shorting to ground kills the MAP/TPS. | | VTA | Throttle Position Sensor Signal | Analog voltage (0-5V). | | NE | Crankshaft Position Signal (RPM) | AC voltage sensor. | | G1, G2 | Camshaft Position Signals | Variable reluctance. | | IGT | Ignition Timing Signal (from ECU to igniter) | 5V square wave. | | IGF | Ignition Feedback Signal (igniter to ECU) | Engine stall if missing. | | #10, #20, #30 | Injector Drive Signals (Ground side switched) | Saturation driver. | | M-REL | Main Relay Control | ECU turns this on to power +B. | As the primary electronics supplier for Toyota, Lexus,

Disclaimer: This article is for informational purposes. Always consult the official Factory Service Manual for your specific vehicle and verify all electrical connections with a multimeter. Incorrect wiring can cause fire, injury, or ECU destruction.