Flash Ecu Reprogramming System
02-07-2003, 10:37 AM
#1
Flash Ecu Reprogramming System
[newb]Could this be of any use (in the proper hands ofcourse) to us?
dont flame...I dont know much about this ecu programming stuff...[/newb]
http://www.technosquareinc.com/flashecu.htm
dont flame...I dont know much about this ecu programming stuff...[/newb]
http://www.technosquareinc.com/flashecu.htm
02-07-2003, 10:46 AM
#2
Moderator running more PSI than all the boosted Maximas... combined
iTrader: (5)
Join Date: Aug 2000
Posts: 6,345
Re: Flash Ecu Reprogramming System
The product is $$$$ last time somone asked about the price. But even if you have the ability to flash the memory, what data are you going to flash it with? You would need to know how to read machine codes and understand what various codes mean. Way too much of a learning curve unless you are a computer programmer with experience in machine code programming. I'm a programmer but my experiences are in 4th generation programming languages like C, C++, ABAP and VB. I haven't done any practical machine code programming.
Originally posted by MAXIN
[newb]Could this be of any use (in the proper hands ofcourse) to us?
dont flame...I dont know much about this ecu programming stuff...[/newb]
http://www.technosquareinc.com/flashecu.htm
[newb]Could this be of any use (in the proper hands ofcourse) to us?
dont flame...I dont know much about this ecu programming stuff...[/newb]
http://www.technosquareinc.com/flashecu.htm
02-07-2003, 12:38 PM
#5
Moderator running more PSI than all the boosted Maximas... combined
iTrader: (5)
Join Date: Aug 2000
Posts: 6,345
No..not Binary programming. It's one level higher.
Something like this...
$7D0B LDA A #1 $86 $01
$7D0D .loop INC A $4C
$7D0E CMP A #101 $81 $65
Something like this...
$7D0B LDA A #1 $86 $01
$7D0D .loop INC A $4C
$7D0E CMP A #101 $81 $65
Originally posted by 99maxi
are we talking about basic like 0's and 1's?? that would be a b1tch..
are we talking about basic like 0's and 1's?? that would be a b1tch..
02-07-2003, 01:02 PM
#7
Moderator running more PSI than all the boosted Maximas... combined
iTrader: (5)
Join Date: Aug 2000
Posts: 6,345
Yeah...it's pretty much assembly langauge. The auto manufactures would protect their codes by throwing in bunch of irrelevant codes. It just makes it even harder to make sense what does what. You would probably have to write you own complier and misc utilities. I think it's hard...but then again my background isn't really CS.
Originally posted by 99maxi
so it is assembly language... not that hard..
so it is assembly language... not that hard..
02-07-2003, 01:10 PM
#8
Originally posted by 1MAX2NV
Yeah...it's pretty much assembly langauge. The auto manufactures would protect their codes by throwing in bunch of irrelevant codes. It just makes it even harder to make sense what does what. You would probably have to write you own complier and misc utilities. I think it's hard...but then again my background isn't really CS.
Yeah...it's pretty much assembly langauge. The auto manufactures would protect their codes by throwing in bunch of irrelevant codes. It just makes it even harder to make sense what does what. You would probably have to write you own complier and misc utilities. I think it's hard...but then again my background isn't really CS.
Dissasembled code is VERY hard to work with. Its not like looking at the assembely source, there are no lables, comments, .data or .text sections, or anything like that. You can't look for a variable called rpm_limit or wot_fuel_map. You'll see nothing but the address that reference that area in memory (ie, the rpm_limit may be stores at 0xA83D, or god knows where).
You'll have to spend days or weeks mapping out the entire memory structure, and tracing each line in the application before you'll even know which areas in memory are for storage, let alone what is stored where.
This is why people charge big bux for ECU upgrades! Its a lot of work! It could be done by any competent Computer Engineer or Computer Scientist..but I don't know who'd have that kind of free time.
That being said, I am a "Computer Scientist" and would love to see a "ROM Dump" from our ECU's.
[EDIT]
Worst of all, not all dis-assemblers will map DATA sections of a rom...just the code part which is useless.
[/EDIT]
02-07-2003, 01:12 PM
#9
An email I got from Danny Lee of TecnoSquare:
It's the same ole song.
Dana,
Our ECU upgrade will not directly work with your 97 Maxima. The upgrade is for 95-96 Maxima. You can get a 95-96 Maxima ECU and have us upgrade it and run it in your 97 Maxima. However, from my understanding, there is a possible chance that the Check Engine Light will come on due to the older (95-96) ECU not recognizing some of the sensors that is on the 97 models. It will not harm or cause any kinda of problems to the engine.
Danny.
Our ECU upgrade will not directly work with your 97 Maxima. The upgrade is for 95-96 Maxima. You can get a 95-96 Maxima ECU and have us upgrade it and run it in your 97 Maxima. However, from my understanding, there is a possible chance that the Check Engine Light will come on due to the older (95-96) ECU not recognizing some of the sensors that is on the 97 models. It will not harm or cause any kinda of problems to the engine.
Danny.
02-07-2003, 01:25 PM
#10
Moderator running more PSI than all the boosted Maximas... combined
iTrader: (5)
Join Date: Aug 2000
Posts: 6,345
Well...My background isn't CS so I was talking out of my azz previously anyway 
Originally posted by ejj
No, it won't be in assembly language. It will give you machine code, which is basically just the 1's and 0's. You'll need to find the proper dis-assembler for the chip used in the ECU, which last I've read nobody has discovered what chip that is.
No, it won't be in assembly language. It will give you machine code, which is basically just the 1's and 0's. You'll need to find the proper dis-assembler for the chip used in the ECU, which last I've read nobody has discovered what chip that is.
02-07-2003, 01:27 PM
#11
Originally posted by 1MAX2NV
Well...My background isn't CS so I was talking out of my azz previously anyway.
Well...My background isn't CS so I was talking out of my azz previously anyway.
If I (or any other programmer) could get a copy of the sources that Nissan used we'd all have FREE modified ECU's. If only it were that easy.
02-07-2003, 04:44 PM
#14
Originally posted by deezo
An email I got from Danny Lee of TecnoSquare:
It's the same ole song.
An email I got from Danny Lee of TecnoSquare:
It's the same ole song.
02-07-2003, 04:46 PM
#15
Here's a little more info....
02-07-2003, 05:26 PM
#16
02-08-2003, 08:06 AM
#17
Originally posted by MAXIN
Aren't the 95 - 96 ODBI? That webpage said this 'system' is for ODBII cars. Then again you are talking about an actual ecu upgrade not this programming system..... right?
Aren't the 95 - 96 ODBI? That webpage said this 'system' is for ODBII cars. Then again you are talking about an actual ecu upgrade not this programming system..... right?
02-08-2003, 10:02 AM
#18
Originally posted by MAXIN
Aren't the 95 - 96 ODBI? That webpage said this 'system' is for ODBII cars. Then again you are talking about an actual ecu upgrade not this programming system..... right?
Aren't the 95 - 96 ODBI? That webpage said this 'system' is for ODBII cars. Then again you are talking about an actual ecu upgrade not this programming system..... right?
Thread
Thread Starter
Forum
Replies
Last Post