This short paper documents the engine control unit (ECU) connector pinout for the Toyota 2KD-FTV diesel engine (commonly used in Toyota Hilux, Innova, Fortuner, and related models). It summarizes pin functions, signal types, and wiring notes helpful for diagnostics, sensor replacement, and aftermarket ECU interfacing. This is for technical reference only — confirm pin numbers against the vehicle's service manual and wiring diagrams before connecting.
For exact pinouts for your VIN, use:
Pin functions below are compiled from manufacturer service literature, wiring harness repair guides, and commonly reported community schematics. Pins are grouped by signal category: power/ground, sensor inputs, actuator outputs, communication, and diagnostic. Use a multimeter and wiring diagram to confirm continuity, and exercise safe procedures (battery disconnect, fused test leads) when probing live circuits. toyota 2kd-ftv ecu pinout diagram