Nippon Denso 122 Pin DIYBOB diybob 2 spare I/O lines for

2 spare I/O lines for custom controls

we do not currently have documentation or a base map for these engines

It can offer a useful I/O addition:

Closed Loop Idle Speed Control: Keeps idle stable in varying conditions

Nippon Denso 122 Pin DIYBOB diybob 2 spare I/O lines forEasily build professional adapter harnesses connecting the engine management system of your choice to a wide variety of cars. The DIYBOB includes an OEM style connector, circuit board, and a 3D printed case. This one fits cars with a 122 pin Nippon Denso ECU as well as several ECUs with a lower pin count. See the DIYBOB main page for an application list. Use it to adapt a MegaSquirt, MicroSquirt, or any other ECU of your choice to the OEM wiring.