Remap Myself... OBD.. Software.. etc etc

14th February 2008, 19:35

As Above really.
Is this possible?
Read up that I can get an OBD Cable and some Software, and Diagnostic My car myself, And Re-Map / Tune the ECU etc..

Where can i get the kit to do this from?
Is it worth doing, bearing in mind my mates have Saxo's that i could work on too...

Any ideas greatly appreciated.
Thanks
David

14th February 2008, 19:45

ebay mate

14th February 2008, 19:50

Found the software for like £6, but can't find a cable.
There's the kit on there cheap, but doesn't work on saxo!
Just need to know if its worth buying tbh..
Cheers

14th February 2008, 19:52

we're remapping our race engine by ourselves... there is a student on that and I havent had to over see him for it yet... but I'll try and grab some info if i can

ads

14th February 2008, 19:53

wow whats the software called? u got me interested in it now

14th February 2008, 19:59

Thanks Ads, would be much appreciated

Something to do with OBD, You need the cables and software and stuff to do it, But i need my Airbag ECU Reset, and a couple of other bits, so its worth me getting tbh!
You're not far from me Suvvy, Could get it and meet and mess with yours too

14th February 2008, 20:15

Is the original map stored on a ROM or EPROM? If its a EPROM how is cleared? Do you have to replace the ROM chip? Does the software actually allow you to map the ECU at all and if so will it map a stock ECU or does it have to be modified. Do you require any extra software to interpret the raw data? Can you map the ECU via a cable or do you have to burn a ROM and then replace the stock ROM?

If you have all that in the first paragraph sorted you then go on to the actual mapping. Where are you going to map it? Do you have some way of testing the engine under sustained load? Do you have any way of analysing what the engine is actually doing? Do you know in what way you are going to need to alter the map?

There just a few questions you may wish to ask your self before trying to map the ECU

14th February 2008, 20:17

how would you map it? on the road? best thing to do would loan a mates ecu whos had a remap and copy it across

making sure you keep a backup of course

14th February 2008, 20:18

Quote:

Originally Posted by AXracing

Is the original map stored on a ROM or EPROM? If its a EPROM how is cleared? Do you have to replace the ROM chip? Does the software actually allow you to map the ECU at all and if so will it map a stock ECU or does it have to be modified. Do you require any extra software to interpret the raw data? Can you map the ECU via a cable or do you have to burn a ROM and then replace the stock ROM?

If you have all that in the first paragraph sorted you then go on to the actual mapping. Where are you going to map it? Do you have some way of testing the engine under sustained load? Do you have any way of analysing what the engine is actually doing? Do you know in what way you are going to need to alter the map?

There just a few questions you may wish to ask your self before trying to map the ECU

No idea tbh mate.
It Basically reads the existing software and backs it up, Then writes a pre-made file, Obviously not a Custom re-map...

14th February 2008, 20:20

Quote:

Originally Posted by Steve_VTS

how would you map it? on the road? best thing to do would loan a mates ecu whos had a remap and copy it across

making sure you keep a backup of course

Not a bad idea...
Shame my mates are faggots

lol

14th February 2008, 20:27

Sounds good, only problem is, do you know how to map?

14th February 2008, 20:30

Its a bit of kit that just re-Flashes the new software over I believe mate, its not an actual Map as such..
Well more a Generic thing..
Don't have £450 for a proper job tbh..

14th February 2008, 20:33

yeh sounds like an idea im up 4 tryin n e thing need a remap wen shes got the cams in it cant be tht hard to do surely if uv got the kit im gunna hat to my mate c wat he says as they chip cars at his garage but this would sve so much money and culd be a potential money maker also

14th February 2008, 20:35

no harm in trying tbh, sure there is someone on here with a mango tb VTS who has the software etc have a word with him

14th February 2008, 20:37

Quote:

Originally Posted by Steve_VTS

no harm in trying tbh, sure there is someone on here with a mango tb VTS who has the software etc have a word with him

urm yes there is, get it wrong, you'll fry the coil drivers, or if the maps that bad, you could do serious damage to the engine.

14th February 2008, 20:37

Quote:

Originally Posted by suvvysaxo

yeh sounds like an idea im up 4 tryin n e thing need a remap wen shes got the cams in it cant be tht hard to do surely if uv got the kit im gunna hat to my mate c wat he says as they chip cars at his garage but this would sve so much money and culd be a potential money maker also

if its not that hard mate, we wouldnt charge money for doing it

14th February 2008, 20:41

why do you think places charge high amounts to remap, its the tools and the labour. If they could use a £6 program and a £2 cable they would. but its not that simple to do mate. Take for instance the supercharger, £5000 for a proper one fitted etc, and £100 for ebay one. Which one works?

14th February 2008, 20:45

Sounds like a good idea fella, doing a remap yourself, dunno how hard it is though. I do diagnosis on my car myself, i brought a elm327 device from ebay. Comes in very handy.

14th February 2008, 20:56

Quote:

Originally Posted by RCD-Performance

urm yes there is, get it wrong, you'll fry the coil drivers, or if the maps that bad, you could do serious damage to the engine.

i meant it as a joke, was in the middle of getting read to put some humour into it

14th February 2008, 21:59

If you have a clue what you are doing, live mapping isnt that hard.

14th February 2008, 22:05

It can't be that hard If you have a Map ready to Flash it with, and the Cable and setup etc to flash it across.

Also means you can Reset Airbag Lights, Service lights, etc, which I also need to do.
Its like an £80 job apparently...
Joke if you ask me, Gotta be worth a go surely?

EDIT: This one as an Example...

14th February 2008, 22:05

Also it says it takes about 2 hours to do...

14th February 2008, 22:53

Its a bit more tricky than it sounds. Say you have everything setup and you are ready to map it. Then you have to do a lot of trial and error. Its a matter of try it under load, analyse, write new map, try, analyse, write new map, analyse, write new map, analyse, write new map, analyse, write new map and so on and on. You have to have some way of testing (cheap DIY way is a long strait hill). You also have to have some way of analysing (a accurate heated O2 sensor and knock display for diy). You also have to do this trail and error with out destroying anything. I would recommend starting off making the smallest alterations to a stock engine to start with. They you will see how it effects things. Then you can make a slightly educated guess on where you going on a tuned car. Don’t forget a significantly tuned car will destroy its self on standard management. But that is all assuming you can actually map it. I don’t know anything at all about the standard Saxo management as I just rip it off. But they local tuner near me says its a pig to map and before any one says it he is one of the few people to run independent throttle bodies on it. I also normally see them with the ECUs apart so I am assuming you cant just fully map a standard ECU. But I have never really asked them. I would recommend you quiz some one who maps them before you try. You can always just pretend your thinking of getting them to map your car and they will probably open up and tell you what your after.

14th February 2008, 22:55

Quote:

Originally Posted by DavidKent

It can't be that hard If you have a Map ready to Flash it with, and the Cable and setup etc to flash it across.

Also means you can Reset Airbag Lights, Service lights, etc, which I also need to do.
Its like an £80 job apparently...
Joke if you ask me, Gotta be worth a go surely?

EDIT: This one as an Example...

You dont need any software or cable to reset any of that.

14th February 2008, 23:00

Quote:

Originally Posted by AXracing

You dont need any software or cable to reset any of that.

Apparently the Airbag ones well expensive to do?

And with the Mapping - Surely if its just a preset File, for a specific car with the odd mods, or no mods, and just an ECU Re-Map, It should just be a simple case of flash with the new software and Test, happy days?

15th February 2008, 09:17

you can't map a saxo through an OBD port, you need to fit a rewritable chip for a start...

15th February 2008, 10:10

interesting read so far.

imo i wouldnt bother mate that chances of you fry-ing your ECU are quite high, id take it to someone that does actually know what they are doing.

look for my guide on how to turn the service light off. as for your airbag light you'd be better taking to a dianostic machine and getting it read and properly diagnosed for the sake of £20-£30. i got mine done yesterday as my reader fucked up and it turned out to be something id never thought of so it saved my alot of time and money in the long run

15th February 2008, 11:03

The airbag light will need resetting after the accident and there's no airbag now is that right?

Or i'll cover the light up, no odds to me.. lol

Not being able to do it through the OBD Port does sound about right, which would explain why Saxo isn't in the list of Citroens available..

Grrreeeeaaat! lol

6th July 2010, 10:38

Anyone have the software for a vtr yet phase 2 99?

6th July 2010, 10:51

the software you need to remap them is kwp2000, you can remap them using this BUT you have to have the right ECU, gotta be a EDC15C2 ecu, once you've then gotta rip your map with it and then try and find another map to put across..

Tried it with my furio but it had a siemens ecu which are apparently very hard to remap so couldn't do it..

have just remapped my 306 HDI though and took about 8 minutes to do.. Any questions about it just ask..

KWP2000 cable off ebay is about £30 - £70 but be careful as some of them are cheap imitations and don't work !!

6th July 2010, 12:30

I re-mapped my 172 with one of these ebay jobbies. Didn't make much difference, I must admit, they give you a sense of false confidence, I wouldn't do it again. Looking back I think it was pure luck I didn't frazzle it.
I would personally get someone who knew what they were doing, or even better and pay a garage to do it.

6th July 2010, 13:00

if you flash your ECU with a free map file then chances are it will make no difference and 9 times out of 10 probably destroy your ECU, i flashed my 306's ECU with a map file made by a professional tuner ( MR WHIPPY ) he's big over on pug306.net... made a massive difference !!

0-60 is about 9 seconds whereas standard it was about 12.5 seconds
My car is supposed to be about 120 bhp and 200 lb/ft , standard was 90 bhp and 167 lb/ft

7th July 2010, 13:55

ebay software will be WANK and prob wont even work. good luck though.

7th July 2010, 14:38

ebay software = wank... ebay hardware (kwp2000) = very good

7th July 2010, 14:42

ive watched ryan off here do a generic map on my old ecu. he had to take it apart and remove the chip, connect it to a computer and remove/rewrite the map, then solder the chip back in.
didnt look easy at all

7th July 2010, 14:44

thats chipping, slightly different to remapping..

chipping = taking off or soldering on a actual eeprom chip and writing the map to that.
Remapping = rewriting the standard file with a tuned file direct to the ecu usually via the diagnostic port.