Ecu+design+pinout+~repack~: Full

She didn’t have a schematic. She had a microscope, a logic analyzer, and a coffee maker that ran on spite.

This is where the "full" pinout separates a hobbyist sketch from an engineering-grade document. For every pin, specify: ecu+design+pinout+full

A common mistake is sorting pins numerically. Instead, group them by function on the physical connector: She didn’t have a schematic