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Old 09-17-2004, 02:10 PM   #1
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Default OTC 2000 Diagnostic Scanner for 1988 3800 Vin C

I own a 1988 3800 VIN C and was wondering if anybody out there could tell me what I could expect an OTC 2000 scanner to perform.. I am looking for a scanner that will give me info on my various sensors like the MAF, CAM, Crank, Temp, 02, IAC, transmission solinoids, etc, etc,. I would like it to be able to read real time values as well as storing them. I want to be able to read data while road testing to get at those pesky intermittants. Will the OTC 2000 be able to do this? Or will I have to purchase a more expensive type. Any help on this will be greatly appreciated.
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Old 09-17-2004, 04:06 PM   #2
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The only thing I know of for OBD1 systems is the "cheap and easy scantool." It is just a simple board put together, and it communicates via the ALDL port to your notebook. Then you create a definition file in Carbytes, which you then can read the [aprox.] 40 parameters that the ECU knows about. And the TCC lockup isn't one of 'em.. I wish mine had that too.


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Old 09-17-2004, 05:31 PM   #3
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I have two OTC 2000s and can do all you ask. The 93 3in1 can also clear stored codes and separate history from current.

Frame rate is a function of the on board computer, a 160 baud CCC (C3) like in a Fiero or GN will take second or two to update. The 8192 baud P4 (Bonneville "C") is much faster.

Only limitation is that you can only look at two parameters (e.g. coolant temp & rpm or O2 reading and crosscounts) from a fixed list at a time. TCC, a/c, grear, and o2 rich/lean are also shown in leds on the front.

There is also a PC cable that allows full data capture to a PC but this cable has an oddball connector to the OTC 2000 and is very rare.

These are not toys, they are professional tools, just obsolete so inexpensive. I usually pack one in my travel kit.

$25-$40 is the right price for an OTC 2000, if you want more see http://www.moates.net . You need an ALDU1 (U$50) and a CABL-1 (U$30). If going to burn your own PROMs, you should also get at least one HDR-1 (U$10) , a laptop, and some programming understanding (will help if available) but will allow full frame capture for as long as you have memory.
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Old 09-17-2004, 06:06 PM   #4
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I'm looking on ebay for one of these. As far as carts, it comes with a 90 3 in 1 cart. Is this what I need for it to work on my good ole Bonney?
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Old 09-17-2004, 09:25 PM   #5
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90 3in1 is fine for a 90 Bonne. Make sure it also comes with the GM ALDL connector (short cable extension).
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Old 09-21-2004, 09:28 PM   #6
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Thanks for the reply.

What kind of software do I need to capture the data from the OTC 2000?

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Old 09-21-2004, 09:41 PM   #7
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Almost any terminal software that can emulate a VT100/VT220. I have used the HYPERTERMINAL that comes with Windows but prefer VTERM or KERMIT. The hard part to find is the cable. (Also requires an RS-232 connecter but there are USB adapters)
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Old 09-21-2004, 10:32 PM   #8
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IS the cable just an RS 232 to a 9 pin? I think I could make one of these if I knew the pinout on them, have you evere done a continuity test on yours? Also do you know of any plug and play software for the OTC 2000?
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Old 09-21-2004, 10:43 PM   #9
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The end that connects to the OTC 2000 is an oddball circular 5 pin connector I have not seen elsewhere. Other end is a standard RS-232. Could probably run the pinout.
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