Hondata

Hi everyone a few weeks ago my ac compressor stop working. ()My car is a EP3 with K20z3 swap and Hondata Kpro v4)

I was doing some troubleshooting and discarding some issues, looking my fuse box under hood, fuse 1 was melted I replace it, but the compressor does not turn on, everything else like fan, blower works perfectly the only issue is the compressor when I bypass the relay the compressor works as usual the real issue is with the line of the computer to the relay I check wires and everything fine so I think that the issue comes to the signal E18 of the hondata.

Is there a way to manually activate that port from the kmanager? Or what is the way to checked.

Thanks for the help, btw this is the diagram that I'm using

That is a multiplexed signal and is not as easy to test. You should try your ECU in a known working vehicle and see if the ECU works as it should.