The pinout of an ECU refers to the detailed description of what each pin (or connection) on the ECU connector is used for. This can include signals, voltages, grounds, and communications lines that connect the ECU to various sensors, actuators, and other control units in the vehicle.

2nz Fe Ecu — Pinout Pdf 186

The pinout of an ECU refers to the detailed description of what each pin (or connection) on the ECU connector is used for. This can include signals, voltages, grounds, and communications lines that connect the ECU to various sensors, actuators, and other control units in the vehicle.