I think you are right, it is probably some kind of power and logic circuit, not anything complicated. I found this from a quick search. It's not this chip, but its probably quite similar. You could probably look at the power pins on the pcm, the connections to the iac and verify if its got the same logic at its core.
https://forum.allaboutcircuits.com/thre ... er.152538/
Installing IAC Driver Chip to Convert P59 to DBC
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antus
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Re: Installing IAC Driver Chip to Convert P59 to DBC
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Have you read the FAQ? For lots of information and links to significant threads see here: http://pcmhacking.net/forums/viewtopic.php?f=7&t=1396
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antus
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- cars: TX Gemini 2L Twincam 8psi
TX Gemini SR20 18psi
Datsun 1200 Ute
Subaru Blitzen '06 EZ30 4th gen, 3.0R Spec B
Subaru WRX 2007
Re: Installing IAC Driver Chip to Convert P59 to DBC
I explored P01 and P59 and IAC functions and have a feature working in beta where PCM Hammer is now able to probe the IAC driver and determine if there is a driver IC present or the connections are floating and report it back to the user. We know what service numbers have it and what don't, so it is of limited value, but it was fun to build and prove its possible.
Have you read the FAQ? For lots of information and links to significant threads see here: http://pcmhacking.net/forums/viewtopic.php?f=7&t=1396
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AngelMarc
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