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Hacking up Honda's ECU
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PostPosted: Sat Dec 17, 2005 11:20 am 
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Joined: Tue Jul 27, 2004 2:29 am
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Location: Baton Rouge, LA
Yeah, apparently the color codes aren't standard. Cut the wire, strip off the pop-port side, and trace the wires back to the pins on the pop port. Here is a pinout of the pop-port

http://pinouts.ru/data/nokia_pop_pinout.shtml

Just figure out which 3 wires goto the GND, Tx, and Rx pins of that connector and hook them to the ECU from the USB side.

As a note, if it doesn't work, try reversing the Tx and Rx, I had that problem.


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PostPosted: Sat Dec 17, 2005 11:25 am 
STOP READING PEOPLES POSTS AND FOLLOWING COLORS!!!

Its not that hard. Listen.
Find the pinout from the phone that cable belonged to.
Then, match the pins in the plug to the wires.
GND
Rx
Tx
Then solder them to the board. Colors don't matter, colors change and are inconsistent, but the plug on the phone is a constant.

If you cant find the plug on the phone, match the wires to the pins on the chip inside the little box and find the layout of the chip online.

*Bah, beaten to it by just a few minutes.


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PostPosted: Sat Dec 17, 2005 1:27 pm 
the thing is i don't see my sytle connector listed on that page, i searched under the different phone models that were listed for the cable and don't see the plug style......once again i have 5 wires.....white, green, orange, blue, and yellow...


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PostPosted: Sat Dec 17, 2005 1:37 pm 
then how about you follow the second half of my post, and trace the wires from the chip in the cable? Open the cable up, and google the number on the chip inside it. Find the pinout of the chip, it should clearly say Rx Tx and GND in the pdf you'll find. Then match the pins on the chip to the wires.

WE CAN'T TELL ANYTHING ABOUT ANYTHING BASED ON THE RANDOM COLOR OF WIRES IN YOUR CABLE!


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PostPosted: Sun Dec 18, 2005 4:24 am 
i have attempted to do that but it is incased in a soft molded rubber that has a solid seam that doesn't seem to seperate without ripping it.......


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PostPosted: Sun Dec 18, 2005 1:07 pm 
you have 5 wires, and 3 pads on the ecu to solder them to. Maybe just test them all?

Get a volt meter, maybe one of them is 5v, and the other one will be gnd which will make this much easier?


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PostPosted: Sun Dec 18, 2005 5:11 pm 
What pin gets what?


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PostPosted: Wed Dec 21, 2005 4:49 am 
Anyone have a ECU that has a USB that is a DKU-5? I have the 5 wire one (White, Red, Blue, Yellow and Green) but i cannot figure what goes where.. Got out the voltage tester still no idea. SOMEONE PLEASE HELP!! If anyone ahs a picture that they could send of their 5 Wire DKU-5 that would be GREAT!! THANKS!


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PostPosted: Wed Dec 21, 2005 12:18 pm 
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Joined: Tue Jul 27, 2004 2:29 am
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Location: Baton Rouge, LA
Use your multimeter to tell you which color wire does what by following them through the Pop port plug. Here is the pinout of the pop port:

http://pinouts.ru/data/nokia_pop_pinout.shtml

The Tx pin is like pin 6 on the pop port, use the resistance checker on your multimeter to determine which of the five wires is Tx by holding one leg of the multmeter to pin 6, and then trying all 5 wires on the other side. One them will connect. If you determine that the green wire is tx, then there's your answer


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PostPosted: Thu Jan 12, 2006 2:14 pm 
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Joined: Thu Sep 22, 2005 5:51 pm
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Location: Liessel, Holland
Great to find out my dku-5 has 6 wires :lol:

I'll use a multimeter but my question is witch ground do i have to use??? because on the Nokia Pinouts I see

2 GND Charger Ground
8 GND Data GND
- GND shield GND in cavities

I don't have a shield conductor, I suppose it wil be '8 GND data GND', but I'm not sure, could anyone confirm??


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PostPosted: Thu Jan 12, 2006 4:01 pm 
both grounds should be the same anyway. But if you must use "just one" then go for #8


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PostPosted: Thu Jan 12, 2006 7:12 pm 
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Joined: Thu Sep 22, 2005 5:51 pm
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Location: Liessel, Holland
Anonymous wrote:
both grounds should be the same anyway. But if you must use "just one" then go for #8


I checked the colors with a multimeter.

Green = Data +
White = Data -
#8 doesn't give connection to any of my wires
#2 does make connection with the blak wire, so I'd use this wan

Black = GND

Tomorrow I'll programm a .bin on my eprom, then i'll test if connection is wright..


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PostPosted: Fri Jan 13, 2006 10:41 pm 
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Location: (VS) Suisse
I can use a cable DKU 2 has the place of cable DKU 5?


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PostPosted: Sat Jan 14, 2006 8:25 am 
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Joined: Thu Sep 22, 2005 5:51 pm
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Location: Liessel, Holland
Froggy wrote:
I can use a cable DKU 2 has the place of cable DKU 5?

NO


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PostPosted: Sun Jun 18, 2006 11:15 am 
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Joined: Wed Sep 07, 2005 8:40 pm
Posts: 123
I have an ebay dku-5 cable, with 4-wires (red, white, black and blue)

I opend the cable:

red ist not used
blue is TXD
white GRND
black I couldnt see but it must be RXD


here are the pics http://www.eurostylez.org/bilda/eg4/dataloging/

I solderd blue to cn2 #4, white #1 and black #2

I have an crome map with datalogging and ecucontrol is set correctly. But I couldnt datalog, whrer is the error?


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