: Always emphasize checking the motherboard part numbers rather than the external ECU cover, as covers can be swapped. Signal Definitions :

In the world of automotive hacking and repair, a "better" Denso ECU pinout database is not just a convenience; it is the difference between a running engine and a literal "brick" of fried silicon. The Architecture of Chaos

For tuners adding turbochargers, the pinout is the map used to intercept signals. You need to know exactly which wire carries the Crankshaft Position (CKP) signal to delay timing.