home made fault code reader, how to make one

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home made fault code reader, how to make one

Postby jayrs on Fri Sep 21, 2007 1:25 am

i found this site ages ago and due to reasons and forgetting never got round to doing it, im sure i put a post up about it but the search cant find it.

anyway, ive got all the bits together now and i sahll start to make it this week

the chip it self has to be got from the designer, its £12 posted for the chip, and the componants can differ in cost depending where you get them, i got most from rapid online and 2 bits from maplins due to rapid being out of stock, and in total its cost me about £38.50 in bits.
if you have to buy solder and a soldering iron etc then it will cost you more, and amore again if you get from maplins.

anyway, the bits

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i marked out and preped the strip board tonight quick while i stood in the shed having a fag but the main bits will start asap.
the site the FCR can be found on is here

http://homepage.ntlworld.com/a.harby2/ggpfcrpg.html

the site gives you the following

parts list with part numbers both maplins and rapid online
full detailed instructions with pictures for building it
full instrcutions how to use it
and a few months back, a pc interface software was added (free download)

this reader will give error messages/codes but not in sill flashing led light style.

im guessing here in gen would be the best place for this :)

i will update as i build, then i need someone with a car with a fault to test it on, jon hows the rs mate?

oh btw, it doesnt just cover a rs, it covers a range of fords, i belive 3 and 5 pin ports


23rd sep 2007

right, to save it being all ver the place i will add here on the first post.
had a bit of time yesterday, so got on with it, had to make a trip to mapins as i found rapid had sent me a 20 pin DIL socket not a 18 :rolleyes: , still no matter, burnt more fuel than the 75p i spen getting it and 2 more led's :lol: :lol:

anyway, altough there are pictures on the site, i will add some here as a visual progress report, not for instuction on how to make one.

i did draw round the board and mark out numbers etc to make it easier to locate where to put stuff, i always double checked before soldering etc and i even made a mistake and marked a resistor 1 hole short, but i hadnt bent the legs so no harm done, just shows its important to double check.
anyway, enough spill, pictures for now, im gunna crack on with it now, i wont finish it as i still need a plug for the car as i can find the one i had set aside :x

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24th, not had much time to do anything.
got stuck on a couple of wires, not sure where they go on the switch so have asked the designer ifwhat i think is right,
pics so far

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30/9/07

i finished this reader last week, but it failed to work.
not having much time and really not knowing where to start i emailed the designer (graham) graham was massive help, i checked all i could and all the bits he said and it narrowed it down to a LED, it turns out maplins had given me the wrong LED's :x and thius it was drawing all the power and nothing else was working.

anyway, i had some time to mess about with it today so i tested it all before fitting the screen again, i had to remove it to check for shorts under it, i knew there wasnt any but you got to dopuble check these things, but it was tested and it allo worked so the screen was soldered back on.
those of you that have looked at grahams site and read the build instructions will see my led's are not as graham has done, i wanted them both at the top above the screen so i soldered wires to them and fitted them that way, and due to maplins giving me the wrong LED's it made it that little bit easier to fit a in libne resistor to the green one.
the red just flashes on test so graham tells me so that can stay as it is but the green is resisted now and it all still works fine.
pictures of it now, the case was a bit of a nigth mare, i messured it out wrong and with out double checking it (which isnt like me)i chain drilled it, only to check after and fine i went over a bit :lol: :lol: no matter, i plan on putting a coloured plastic over the front with the writing bits on and it will cover it but then again im thinking of like a frame round it too so it dont matter what it looks like as long as it works

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pc plug is too big to fit as well as battery so got to doctor that

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and it working :)

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Last edited by jayrs on Sun Sep 30, 2007 9:05 pm, edited 5 times in total.
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Re: home made fault code reader, how to make one

Postby mrjenrst on Fri Sep 21, 2007 2:19 am

genius mate.
Cant wait till you post the bit's
List up and instruction's
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Re: home made fault code reader, how to make one

Postby Ollybee on Fri Sep 21, 2007 7:50 am

This will be quality, the one from Gunson's, although good, is a pain in the arse to read.
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Re: home made fault code reader, how to make one

Postby jayrs on Fri Sep 21, 2007 5:10 pm

it is indeed.
i shall bung a parts list up in a min, no point with the instructions just yet incase the guy has to change something, i might just be me being blond, but i got to double check before i start building it.

well i say that, ive started on the strip board already but copying the picture:lol:
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Re: home made fault code reader, how to make one

Postby jayrs on Fri Sep 21, 2007 5:28 pm

i just tried to copy and past the parts list and it went funlumps up, so im gunna give the link to the site, ive emailed graham just now about somethign to double check but im going to carry on with the build anyay

the link to his web site is in the first post now (well i edit it in a sec)
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Re: home made fault code reader, how to make one

Postby Captain Tightpants on Fri Sep 21, 2007 8:05 pm

Just use a 9p LED.

I don't mind counting a blinking LED.

Steve
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Re: home made fault code reader, how to make one

Postby jayrs on Fri Sep 21, 2007 8:50 pm

thats all well and good if you dont lose count, then you got o ref the amount of blinks to something to find out which fault it is.

anyway, not wanting to glog this up with leds and that i shall update progress as and when, i was hoping to have a fair bit done tonight but thans to the kids and the 2 cousins staying over (6 kids!) ive not done fock all :x
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Re: home made fault code reader, how to make one

Postby jayrs on Sun Sep 23, 2007 4:30 pm

all updates are added to the first post
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Re: home made fault code reader, how to make one

Postby jonboisescort on Sun Sep 23, 2007 8:49 pm

sounds great ive got the flashing led 1 i hate the thing counting the flashes :x :x

you can make me 1 :lol: :lol:
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Re: home made fault code reader, how to make one

Postby jayrs on Sun Sep 23, 2007 9:10 pm

im enjoyinf this, been years since i done stuff like this, its nearly finished, had a bit of time on it tonight, made a slight change to it to suit me (being fussy :lol: , your see) and as long as i get time tomorrow without kids abotu i should have it finished.
i found the plug to plug into car today after another search in shed :lol: :lol:

yeah i could make ya one but i dont come cheap :lol: :lol: :lol: :lol:
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Re: home made fault code reader, how to make one

Postby FRSJON on Sun Sep 23, 2007 9:42 pm

nice one mate....i'll be round for a trial.. :wink:
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Re: home made fault code reader, how to make one

Postby knuckles on Sun Sep 23, 2007 9:45 pm

jayrs wrote:i dont come cheap :lol: :lol: :lol: :lol:


i know :rolleyes: :lol:
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Re: home made fault code reader, how to make one

Postby jayrs on Mon Sep 24, 2007 12:14 am

funny you say that jon, i had you in mind too :lol: :lol: :lol:

and clark, :P :lol:
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Re: home made fault code reader, how to make one

Postby j7aoc on Mon Sep 24, 2007 10:25 am

Sound's like you could be makeing a few of theses jay
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Re: home made fault code reader, how to make one

Postby onslack on Mon Sep 24, 2007 10:52 am

looking good jay :Q

i did electronics at school, but can i remember how to do this stuff.. umm.. no :lol:

might get you to make one :bonkers:
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Re: home made fault code reader, how to make one

Postby jayrs on Mon Sep 24, 2007 6:20 pm

ah $hit, what havei let my self in for :o :lol:

up date in first post
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Re: home made fault code reader, how to make one

Postby jayrs on Mon Sep 24, 2007 6:21 pm

:)
Last edited by jayrs on Sun Sep 30, 2007 8:52 pm, edited 1 time in total.
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Re: home made fault code reader, how to make one

Postby jayrs on Sun Sep 30, 2007 8:50 pm

its finished, see first post
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Re: home made fault code reader, how to make one

Postby Ollybee on Mon Oct 01, 2007 12:35 pm

s**t hot!
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Re: home made fault code reader, how to make one

Postby jayrs on Mon Oct 01, 2007 1:30 pm

just got to test it now.
when ya free with that rs jon :)
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Re: home made fault code reader, how to make one

Postby bakewell001 on Mon Oct 01, 2007 2:02 pm

Looks excellent mate.

If you want to test it on a non working motor you can always come see me... :rolleyes:
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Re: home made fault code reader, how to make one

Postby jayrs on Mon Oct 01, 2007 6:12 pm

:lol: :lol: ill bring it to shows next year, could even charge :oooh: :lol: :lol:
na, your a bit far away tbh mate but if you want to tow it all the way down here..... :lol: :lol: :lol: :lol:
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Re: home made fault code reader, how to make one

Postby Capri on Mon Oct 01, 2007 6:25 pm

Excellent guide, Jay - have popped it across to the Guides section, if that's OK. :)
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Re: home made fault code reader, how to make one

Postby jayrs on Mon Oct 01, 2007 6:36 pm

yeah thats fine mate, it wasnt ment to be a guide as such but sort of went that way didnt it :lol: :lol:
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Re: home made fault code reader, how to make one

Postby jayrs on Wed Oct 03, 2007 11:36 pm

this will be tested on jonfrst car on friday or over the weekend.
if all is well which im sure it will be i shall report good news.
and ive had a think, if anyone did want me to make them one i would do it, but to make it worth my while i would wanna do a couple at least
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Re: home made fault code reader, how to make one

Postby properphatboy on Thu Oct 04, 2007 11:48 pm

Can these be run all the time, like having the display on the dash?

Don't worry though, I'll make mine.
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Re: home made fault code reader, how to make one

Postby jayrs on Fri Oct 05, 2007 9:40 pm

why?
its not a dig display for reading live feed from the ecu mate, it dont work like that, nor does the ecu have the software/hardware for run a live feed output to it, so in short, no it cant dude
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Re: home made fault code reader, how to make one

Postby jayrs on Sat Oct 06, 2007 12:30 am

run a test on jons FRST tonight, the codes it gave were not fult codes but test codes, i cant get the interface to install on my pc for some reason so cant double check the codes but im 99.9% sure there test codes meaning jons car passed with no faults
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Re: home made fault code reader, how to make one

Postby properphatboy on Sat Oct 06, 2007 5:45 pm

Ok. What sort of faults will it display then? Down sensors and stuff?
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Re: home made fault code reader, how to make one

Postby jayrs on Sat Oct 06, 2007 8:47 pm

im not 100% sure as jons car didnt show any faults, but if it finds one it saves it and when cross ref with the interface it will tell you what that code means, it will not say for example, map sensor fault, it will give you the code thats asigned to that fault, e.g code 20 and you look up to see what code 20 is on the interface or somethign and it will tell you.

just to say, i dont know what code 20 is, i used it as a example
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Re: home made fault code reader, how to make one

Postby edders on Sun Oct 07, 2007 6:06 pm

where did you get the source code for the pic? as its kinda a redundant thing without it.
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Re: home made fault code reader, how to make one

Postby jayrs on Sun Oct 07, 2007 6:20 pm

[quote="edders"]where did you get the source code for the pic? as its kinda a redundant thing without it.[/quote]

what ya mean mate? the the chip??
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Re: home made fault code reader, how to make one

Postby edders on Sun Oct 07, 2007 6:32 pm

yeah the coding on the chip. did he (graham) do it himself or what.
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Re: home made fault code reader, how to make one

Postby jayrs on Sun Oct 07, 2007 6:46 pm

yes mate he did.
you buy the chip already programmed from him.
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Re: home made fault code reader, how to make one

Postby edders on Sun Oct 07, 2007 9:14 pm

'conquering device'.

i bet he wouldnt just send me the source code either would he.
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