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DIY: ECU Scantools/Data Cables

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brettless

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I believe the unit has the new elm327 chip.the laptop was under its own power at time of testing and no inverter was used.The unit did however work on a 2004 ford
 

michaelw

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As you have already got one of theirs, i would try and get it replaced for one based on the elm322. I am surprised that the 327 does not work for the genIII as acording to the data sheets it *should* but I haven't played around with that chip yet.

Mike
 

HDT_aero

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just so you know guys 1/2 watt 10k resistors work fine aswell and are easier to come across
 
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brettless

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Hi , I have sent a few emails of to the supplier to get more info but there seems to be a lot of conflicting information im getting.I have a manual for the vehicle i have and it does suggest 2000 and on models are obd2 compliant and i have sent that extract to them.Shall see how i go now.
 
B

brettless

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Hi there, I got that Elm 327 chip to communicate with my car 2 day.I retired it on a ford 2004 and was able to get sensor data,then tried it on a Avantra 2004 5.7litre and it seemed to have a bit of a hiccup then bingo got sensor data out of it.So i tried it again on my Vx 5.7 litre and bingo i could get sensor data,very strange but thing somehow scanning the Avantra jolted it into action,maybe the elm Gm protcol sensing a bit dicky,will see how it goes
 

michaelw

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Try this. send AT SP0 to the cable through hyperterminal or your scan software. This will tell it to try ALL protocols when it has trouble. The chip has a 'feature' to remember the last protocol it used and if you are swapping it around it could get annoying.

For more info check page 11 of the data sheet.

http://www.elmelectronics.com/DSheets/ELM327DS.pdf

Mike
 
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Chev_SS

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Does anyone know where i can purchase an interface cable for a series II VY commodore SS.

I have downloaded the trial version of EFILIVE but i need the cable.

Thanks
 

michaelw

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I have made an addition for those who have a GENIII and can program microcontrollers.

Mike
 

michaelw

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News just in. EFILIVE has definition files for VX and VY V6's

Mike
 

OZ38

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michaelw said:
News just in. EFILIVE has definition files for VX and VY V6's

Mike
This sounds like good news, but can you tell us what It means for us now ?

Cheers

Deek
 
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