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Old 09-11-2012, 01:46 PM   #11 (permalink)
dar
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I have suspicious, that your car doesn't have OBD-II standart support.
Does OBD socket looks like OBD-II?
Link: FAQ - opengauge - Frequently Asked Questions regarding the OBDuino Project - Open Source Fuel Efficiency Instrumentation - Google Project Hosting
Link: OnBoardDiagnostics.com - OBD-II Network Standards
I just asking, because OBDuino32k support only OBD-II standart (ISO (9141-2) and ISO14230-4 (KWP2000); CAN - only with ELM327 chip).
Earlier in the cars was OBD-I standard and everyone producer used his own OBD-I implementation. For example, VW has 2 sockets with 4 wires.
If so, it's necessary to use MPGuino,
link: MPGuino - EcoModder

Best regards

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Old 09-14-2012, 01:43 PM   #12 (permalink)
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My connector wired holes do not look like any of these standards you posted, neither 9141-2.
As far as I know it uses iso 9141 standard.
So none obduino is for older 9141 and therefore I have to try to implement mpguino?
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Old 09-15-2012, 08:47 AM   #13 (permalink)
dar
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Sorry to say, but I'm not sure.
What kind of diagnostics equipment is used with Yours car?
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Old 09-19-2012, 09:40 AM   #14 (permalink)
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I don't know about diagnostic equipment.
about mpguino... doesn't it connect to injectors instead of to OBD?
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Old 09-21-2012, 03:00 PM   #15 (permalink)
dar
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1. Maybe it will be useful:
Link: 200/400/600 Fault Codes
2. mpguino is connected directly to engine; it don't communicate with cars computer.
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Old 11-01-2018, 11:09 AM   #16 (permalink)
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I am looking to build my own OBDuino. However, I am running into parts availability issues. I am looking for a replacement for the Si9241A / SI9243 chip. The originally used MC33290 is long since obsolete, and it seems the Si9241A and SI9243 are now also obsolete. Does anyone know of another valid replacement?

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