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Just for shits and grins... have you tried swapping the black and red wires?
I haven't messed with datalogging in forever, but I know Freescan can be touchy sometimes. I know Ben mentioned it somewhere, but the scan/capture rate needs to be at a certain value, and you have to "kick-start" the program to get it to start datalogging.
ya you have to "Force Data" lots i have to do it up to 10 times
youll notice that its working properly when you see
Bytes Sent and Bytes Recieved both moving
the P4 ecms require you(logging software) to "Ask" for data before the ecm sends it
so if you dont see the "Bytes Sent" moving, then your not getting and data
you can fiddle around Milisecond Delay maybe make the number higher by 50 ms ata time
im sure the lower you go the more prone its going to be to errors as there will be less time for the software and ecm to communicate
im guessing your running the 7730 ecm
can you do us a favour and look at the sticker on your ecm case and tell us what the numbers are
same with the eprom inside, there is a sticker ontop the blue rectangle thing, thats your eprom
im not sure what a 93 cav uses, but it will help us to know forsure what your running
im currently trying to find other software that you can try to use
ya you have to "Force Data" lots i have to do it up to 10 times
youll notice that its working properly when you see
Bytes Sent and Bytes Recieved both moving
the P4 ecms require you(logging software) to "Ask" for data before the ecm sends it
so if you dont see the "Bytes Sent" moving, then your not getting and data
you can fiddle around Milisecond Delay maybe make the number higher by 50 ms ata time
im sure the lower you go the more prone its going to be to errors as there will be less time for the software and ecm to communicate
im guessing your running the 7730 ecm
can you do us a favour and look at the sticker on your ecm case and tell us what the numbers are
same with the eprom inside, there is a sticker ontop the blue rectangle thing, thats your eprom
im not sure what a 93 cav uses, but it will help us to know forsure what your running
im currently trying to find other software that you can try to use
ecm case says bfuz not sure if you want the numbers but i am sure thats all you'll need
eprom says the same thing
but 3200 under the bfuz
most of the time i'd hit force data and it woudl read only temp and it would say 32 degrees and everytime i hit force data it would go up 32 degrees so at one point my temp was 1000+ lol right
sigpic
1993 Cavalier Z24, 3.1/3400 hybrid, crane 272 cam, LS6 springs,port and polish,2.5 exhaust to 80 series flowmaster,solid mounts
can you manipulate whatever is using com5 or 6 make it use like com 7 and then have whatever is using com 1, make that use the com 5 or 6 you changed to free up com 1, then make your usb adapter use com 1 ?
jsut swap coms around?
edit freescan uses com1 only so if you having com probs then thats most likely what your problem is (freescan not seeing anything becuase its looking at com1 when usb is at com x)
i dont know, i was told that freescan only worked on com1, i think craig from moates said that or maybe mick from gmpcm cant remember which, it was a while ago but thats what i was told :P
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