95 s10 4.3 (w) 16193495 BABB

Discuss General Motors (GMC, Chevy, Pontiac, Hummer, Cadillac, etc) tuning topics here. Request definitions, discuss parameters, etc.

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dwg
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95 s10 4.3 (w) 16193495 BABB

Post by dwg »

I am new to this and am trying to pull the codes on my pain in the a@@ obd 1.5. does anyone have a bin for a BABB?
robertisaar
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Post by robertisaar »

i don't have a BIN for it, but from the looks of it, that's a flash PCM? you shouldn't need the BIN anyways, just a ADS or ADX to pull codes.
dwg
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Post by dwg »

do you know where i can find the ads & adk?
robertisaar
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Post by robertisaar »

it's not something you find, so much as you create.

luckily, i've created one for it already, but so has someone else.

http://www.tunerpro.net/downloadBinDefs.htm

go there, and download the ALDL definition for $0D, that applies to your truck. it's the ECM half only, but i'll have to send my version, which has ECM and TCM portions to mark for full access.
dwg
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Post by dwg »

downloaded the $0d and loaded it. Do I just create a new XDF?
dwg
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Post by dwg »

ok i have the .ads and the .xdf
cant ger a conection.
dwg
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Post by dwg »

ok i am getting a hardware not found. under preferences I have the com port selected. Any ideas?
robertisaar
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Post by robertisaar »

"hardware not found" is normal for an ALDL cable, the only time you should see something there is if you have burning or emulation hardware attached.

since you're using TP V4(i think, anyways), pressing F4 should bring up the ALDL setup menu, if you have the 0D ADS loaded there and can't get the ECM to connect, you may need to have an ADS with a mode 8 command, in which case i'll have to email mine to you since it usually takes mark a while before he uploads new versions to save time and upload them in bulk.
dwg
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Post by dwg »

yes I am running TP V4. I do have the 0d.ads loaded under ALDL setup. No luck. Any help would be appreciated.
dwg
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Post by dwg »

I loaded the new ADS with no luck. Cannot connect. I must be missing somthing. Any new ideas?
robertisaar
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Post by robertisaar »

well, do you want to try ruling out hardware, or software, first?
dwg
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Post by dwg »

Lets start with the hardware if your dont mind.
robertisaar
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Post by robertisaar »

well, then we'll take tunerpro out of the equation...

i believe TTS Datamaster has the ability to play with the $0D mask for logging? i would try that and see if it will connect.

otherwise, you might need to get ahold of a terminal program(like hyperterminal) to see if you can get any raw data flowing... i can't remember if scannerpro allowed you to see raw data or not, but that may also be an option.
dwg
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Post by dwg »

using hyperterminal I can get a reply to typing if I use option none or xon/xoff but not using hardware.
robertisaar
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Post by robertisaar »

well, that means the hardware is at least capable of communicating...

i'm not sure what "flow control" options are supposed to work though...

i'm actually looking at the index now, it seems there were a few different PCMs used for the L35 (4.3CPI) in the S/T trucks.... one of them runs on the 0D mask, and the other is supposedly fully OBD2 compliant, though the datastream of that PCM isn't defined in these documents....
dwg
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Post by dwg »

it seems the next logical step for me is the check the obd plug itself. The first thing I noticed nothing in pin 16. It should be 12v constant power correct?
Do you know what the pin out should be? maybe how to check each wire for the correct signal? Hell if I'm realy lucking a wire color code?
robertisaar
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Post by robertisaar »

according to the factory manual, this is what you should have.

http://imgur.com/gSt75.png

i also read up on the differences between the computers.... the OBD2 computer is refered to as the VCM, and is mounted underhood by the right-hand fender. the OBD1 PCM are located in-cabin under the right-side of the dash.
dwg
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Post by dwg »

My pin out is way different. I will pin it out to the diagram and try it.
Also my vcm is on the right fender. OBDII or OBD 1.5 that is the question.
I will try it out and let you know...

thanks again for all your help.
dwg
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Post by dwg »

moved tan wire from position 8 to 9 and orange wire from 15 to 16.
no luck. Any ideas?
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honken
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Location: sweden

Post by honken »

Black box under hood
OBD2 CAR
You need a obd2 reader
Janes83
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Post by Janes83 »

I know this thread is 5 years old........

But I am having the exact same issue when trying to connect my truck ( same engine, PCM location etc. )

Was there ever a solution to this ?.
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