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 Where is the OBD port on a 95 riv???

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joe's riv
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PostSubject: Where is the OBD port on a 95 riv???   Wed Apr 15, 2009 10:22 am

I have been told that the 95 riv is a OBD 1.5.....whats that mean? Can I use a OBDII scanner? Where is the port? Will that paperclip trick from the OBD1's work?
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deekster_caddy
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PostSubject: Re: Where is the OBD port on a 95 riv???   Wed Apr 15, 2009 1:30 pm

unfortunately, OBD 1.5 means neither will work, and you need a special scan tool.
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joe's riv
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PostSubject: Re: Where is the OBD port on a 95 riv???   Sat Apr 18, 2009 7:26 pm

ok...so what do I do?
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Rickw
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PostSubject: Re: Where is the OBD port on a 95 riv???   Sat Apr 18, 2009 7:31 pm

Will someone with a 95 help out here and clarify the OBD/ALDL situation.
Thanks
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Rickw
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PostSubject: Re: Where is the OBD port on a 95 riv???   Sat Apr 18, 2009 7:42 pm

Try reading through this LINK and see if it is of any help;
http://rivperformance.editboard.com/series-i-scans-tuning-f14/scannng-setup-for-the-1995-riviera-t144.htm

Also: http://rivperformance.editboard.com/series-i-scans-tuning-f14/actron-scantool-t5.htm
I have one of these scan tools that i use on both OBD1 and OBD2. Gives basic info needed for diagnosis. Bought it on sale at a local auto parts store then got additional cable on-line. Not very expensive, IIRC.
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AA
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PostSubject: Re: Where is the OBD port on a 95 riv???   Sun Apr 19, 2009 10:05 am

I've always thought '95 Rivs were OBDI. The plug in port should be in the lower dash, under and left of the steering wheel, not far from the p-brake pedal.

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joe's riv
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PostSubject: Re: Where is the OBD port on a 95 riv???   Sun Apr 19, 2009 10:21 am

ok this is so damn weird......I found the port....under the dash under a trap door kinda thing......its a perfect fit for my OBD 2 scanner.....and it doesnt work.....tried the key in every position.....all I get is link error....

My chevy is a 95 and OBD I and the scanner plug doesnt fit......im stumped....but making progress
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deekster_caddy
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PostSubject: Re: Where is the OBD port on a 95 riv???   Sun Apr 19, 2009 8:14 pm

My '94 Regal wouldn't accept any normal OBD-I or OBD-II scanners either. That's when I first learned of OBD-1.5 frown Some companies make OBD-II scanners with a special adapter cable for this, but it was going to cost me around $500 and I decided it wasn't worth persuing, at that point I took my immediate problem to a shop who had the appropriate computer and paid them to tell me what was wrong with it. Much cheaper at the time. I never figured out how to scan that car.
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joe's riv
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PostSubject: Re: Where is the OBD port on a 95 riv???   Sun Apr 19, 2009 8:45 pm

I went to autozone, and they dont have a 1.5 scanner......only OBD 1 and 2......what kind of shop did you go to? Was it a local repair shop or a dealer?
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deekster_caddy
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PostSubject: Re: Where is the OBD port on a 95 riv???   Sun Apr 19, 2009 8:53 pm

It was a local garage with one of those huge "BEAR" computers and a zillion adapters and things.
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Karma
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PostSubject: Re: Where is the OBD port on a 95 riv???   Sun Apr 19, 2009 10:57 pm

the 95 is really obd1.5, in that the computer is obd1 but the connector is obd2.

For a scanner you really just need a normal scanner that has a obd2 plug, but that will still also do obd1. I use the Actron CP9145... got it off amazon for around 90 bucks CAD, should be cheaper for those in states as you won't pay as much shipping or border duty.

hrm, looks to have gone up in price abit:
http://www.amazon.com/Actron-CP9145-AutoScanner-Diagnostic-Capability/dp/B00020BM2S/ref=pd_bbs_sr_1?ie=UTF8&s=automotive&qid=1234121877&sr=8-1

functionality is limited when scanning obd1, mostly just lets you see the critical data, but not change anything or record runs or anything...

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joe's riv
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PostSubject: Re: Where is the OBD port on a 95 riv???   Mon Apr 20, 2009 5:08 pm

So basically I need an OBD1 scanner with an OBD 2 plug?.....
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PostSubject: Re: Where is the OBD port on a 95 riv???   Mon Apr 20, 2009 7:34 pm

in short, yes. However, don't quote me that any OBD1 will for sure work on the 95, its an odd year. So things are a little hit and miss for scaning it.

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joe's riv
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PostSubject: Re: Where is the OBD port on a 95 riv???   Mon Apr 20, 2009 9:06 pm

Is the plug on the OBD1 and the OBD2 similiar? Ive never seen and OBD1.....
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Karma
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PostSubject: Re: Where is the OBD port on a 95 riv???   Mon Apr 20, 2009 10:05 pm

just a second and ill take a picture of one....

Edit:
Photobucket
(had one in my desk drawer)

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joe's riv
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PostSubject: Re: Where is the OBD port on a 95 riv???   Tue Apr 21, 2009 9:03 am

Looks pretty much the same except for the plastic divider between the pins.....is that the only difference? If so then I could see how this would work......I cant believe a place like autozone doesnt have a scanner for something like this.....it was raining at the time, the lazy ass probably just didnt wanna get wet.

Im afraid to drive the car without finding out what the problem is first.
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PostSubject: Re: Where is the OBD port on a 95 riv???   Tue Apr 21, 2009 1:18 pm

the OBD2 has rounded corners and the sides are angled. the pinout is also different.

OBD1
http://www.aldlcable.com/uploads/obd1pinout2.gif

OBD2
http://www.aldlcable.com/uploads/obd2pinout.gif

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joe's riv
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PostSubject: Re: Where is the OBD port on a 95 riv???   Tue Apr 21, 2009 1:26 pm

hmm....ok so they are not the same.........how the hell do I read the codes.......I mean why the hell wouldnt GM just go from OBD1 right to OBD2.....what a pain....
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PostSubject: Re: Where is the OBD port on a 95 riv???   Tue Apr 21, 2009 1:37 pm

most auto shops should have a scanner that will scan both. Basically any scanner that has a cable that can be switched on and off, one for obd1 and one for obd2 will work to scan the car. If you ever plan on modding the car though, it is vital to get your own scanner like the one I posted a link on on the first page. The series one can be fussy, and there is not the option to just tune away engine knock like on the series one.

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joe's riv
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PostSubject: Re: Where is the OBD port on a 95 riv???   Tue Apr 21, 2009 2:17 pm

If it was my vehicle I would, but im just helping out a friend that isnt to knowledgeable about cars....

My chevy work truck is a 95 and has the OBD1 thing, but a buddy of mine showed me how to read the codes with a paperclip, will that work on the riv?
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deekster_caddy
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PostSubject: Re: Where is the OBD port on a 95 riv???   Tue Apr 21, 2009 10:07 pm

The paperclip trick only works on true OBD1, at least when I tried it didn't work on the '94 Regal... I'd done that for code-reading for many GM cars before and was befuddled by it not working in the Regal, which is how I discovered about the OBD-1.5 thing.
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