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easyer way to read ecc codes? 

 

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 Post subject: easyer way to read ecc codes?
Posted: Wed Jun 14, 2006 1:38 pm 
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i shorted out the pins and use dmy mult9imeter on volts it was reading 12v then down to zero then back to 12 then 0v this is goiing way to fast for me to make sence of.

is 0v or 12v what i count? and ideas hows the led idea work what resistor should i use?
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Posted: Wed Jun 14, 2006 1:46 pm 
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Use a 0.25w 540 ohm resistor in series with an LED. Because LED's are diodes, current will only flow in 1 direction so make sure you connect it the right way around on the circuit to test. When I made mine, I mounted it in a pen (without the ink tube) with a sharp probe through the top of the pen opening, burnt a hole through the side for the LED to sit in and connected the other side with a long wire and an aligator clip on the end.

 

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Posted: Wed Jun 14, 2006 2:13 pm 
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tahst what i nee dto know and do i count it when its on or off?

any way off 2 jaycar back in 15 with hopefully an answer lol
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Posted: Thu Jun 15, 2006 12:43 am 
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hey mate, count it when its on but dont count it when its flickering incoherently at the start, as that is just ECU jibberish not intended to be read. Make sure you have a pen and paper ready as the things bloody quick!

 

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Posted: Thu Jun 15, 2006 2:05 am 
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or.. just get a video camera and record it ;)

 

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Posted: Thu Jun 15, 2006 8:32 am 
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its always on but. i counted when it was off.

led and reistor is the way to go all i need now is soe small male sockets to put on it. a just modded some female phone crimps but its messy
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Posted: Fri Jun 16, 2006 1:52 am 
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sorry to steal the thread here but since we are on the topic of ECC code readings i might as well ask the noob question..........how exactly are the codes read? as in do u just use a multimeter plug it into the diagnostic pins thingy and ur multimeter shows a bunch of numbers? or is there a special way of getting those codes? im totally lost.

phong =P~

 

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Posted: Fri Jun 16, 2006 8:38 am 
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use the led method MUCH easyier. bassicly it is on/off/onn/of with the multi meter it had a slow refresh rate.

get a led (bright but not 2 bright) 540ohm 1/4w reistor, 1m of solid core network cable just to use as bridge. and i got some small luds tgat i bent a bit to make fitm small heat shrink to keep it together as i did not solder it.

total cost <$5 and i got extra stuff to play with eg diffrent leds, diffeent reisters worth its weight in gold
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