Hondata

Found the issue!!! It was me!!!!! LOL!

There are two RS232 wires on the AIM and I assumed there was only one. One is an RS232TX and the other is an RS232RX and I had the wrong one connected. Reading is fundamental.

OK, I was misunderstanding the wiring I did in situation 1. All this time, I thought the AIM was supposed to be getting 12v from the ECU itself, so apparantly neither the AIM nor hondataboard was connected to 12V.

So situation 2 is wired the way it's instructed by the manual. Both the AIM and the ...

Oh sorry, that was confusing. Hopefully this is better. I've tried two situations:

Situation 1:

The AIM is connected to the ECU as shown in the Figure posted above. When I turn on the car, the AIM does not turn on at all (i.e. dead screen, no lights, nothing, nada, dead). So I assume the AIM is ...

Yes, I have updated the AIM to read signals from the ECU. I updated the AIM while it was connected to a separate 12v source.

Even while the AIM was connected to the separate 12V and the engine was running, the AIM was not reading/getting signals from the ECU.

BTW, if it matters, the ECU is 37820 ...

Hi. I hope this is the right forum to ask for help. I'm having trouble connecting an AIM MXL Pista to a K-pro ECU.

I believe I did everything right, but the AIM is not powering up. I've followed these instructions as closely as possible (http://www.mychron4.com/download/ecu/racing/aim_Hondata_KPro ...