There isn’t much information on the larger igx platforms, relatively new engine. Honda will only read to you what’s on the spec sheet. Last time I went to a Honda dealer for some oil filters I asked them about the number of inputs/outputs on the ecu’s to get a gauge on tunability and factory fuel injector size they just looked at me like I was an idiot and just gave me some generic flyers to read that I later used to wrap my oil filter in before throwing in the bin lol. Control panel with different switches for settings for different tasks is absolutely doable, that’s the beauty of an ecu if something has power going to it you can tell it what to do, when to do it and for how long. Our beloved gx690s only let us turn it on an off. Tinkering outside of warranty of course cough* BS cough*
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