Hondata

I figured it out - E1 and E31 are "open collector" and are incapable of providing 12V at the pin. They require an external pull-up. Everything seems to work okay now!

Yes, there are no fault codes (and hence the MIL is indicated by KManager as "off"). Is E1 supposed to function as stock as well?

I'm trying to troubleshoot a malfunctioning MIL light (it is stuck "always on"). I've got a K-Pro mated to a CTR ECU, which is interfaced to a JRSC'd K20A. My current (factory) ECU documentation says the following:

Pin E1: IMO FPR (IMMOBILIZER FUEL PUMP RELAY)
Desc: Drives PGM-FI main relay 2 ...