Part of https://github.com/rusefi/rusefi/wiki/Proteus#adapters family
First test mule https://rusefi.com/forum/viewtopic.php?f=2&t=1955
https://github.com/rusefi/rusefi/wiki/Vault-Of-Honda-OEM#dbc-k
Connector Pinout Spreadhseet, with links to wiring drawings