This is a standard 30-pin header configuration.
Finding reliable ECU (Engine Control Unit) datasheets and pinouts can be challenging, as many are often sold in bundles. However, several community-driven platforms and specialized repositories offer free or low-cost resources for mechanics and hobbyists. Free Resources and Communities RomRaider Forums
However, specific ECU hardware schematics are typically proprietary to manufacturers. If you are looking for a generic template or an example of what such a datasheet looks like (perhaps for a project, a student assignment, or reverse engineering), I have written a below.