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Old 05-08-2009, 07:01 PM   #1 (permalink)
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Installing MPGino in 2002 Golf TDI

Just received a pre-Assembled MPGuino Donated to me by DCB.

I have to Stress that this project would not be happening now without DCB's kindness. I Do plan on donating to him/ the project as soon as the checking account recovers from http://ecomodder.com/forum/showthrea...time-7971.html.

Only thing accomplished so far is soldering the LCD to the unit.

More to come hopefully tonight.

Any + All information regarding the TDI's VSS + Fuel consumption is highly appreciated.

Threads which will contribute to this project.
#1) http://ecomodder.com/forum/showthrea...lity-3978.html
2)http://ecomodder.com/forum/showthrea...audi-4912.html
3)MPGuino - $40 FE gauge - TDIClub Forums

Very Excited.

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Old 05-08-2009, 07:29 PM   #2 (permalink)
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Few Pics to get you guys excited

A Few Pics

The Surprise Package


Well Packed (but bad pic)


Un-Packed


My Poor Solder Job
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Old 05-08-2009, 09:38 PM   #3 (permalink)
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Sweet, glad it survived. Yellow wire ground, black wire next to red, 12 volts. Car battery in driveway. Couldn't test it without the LCD, hope it boots

note: do try to be deliberate with the power hookup, occasionally these AVR chips mess themselves on flaky power connections.
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Old 05-08-2009, 10:54 PM   #4 (permalink)
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Excuse my ignorance; does the +12 volt need to be switched, or always on? I Seem to remember that SVO had his wrong for a while; but I can't remember which way it goes.

Either way I'll wire it up with the main fuse out, charge all of the caps through a test light, then replace the fuse; or should I just hit it with 12 volts right off the bat?
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Old 05-08-2009, 11:11 PM   #5 (permalink)
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The trips reside in ram so you want constant power (not switched). You can just firmly hold the power leads to the battery for an initial test.
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Old 05-08-2009, 11:24 PM   #6 (permalink)
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As far as my untrained eyes can see; all is well with the unit!
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Old 05-08-2009, 11:47 PM   #7 (permalink)
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Thank you for that, was not sure. In the setup screen (tap left and right together) on the newer ones (>=.81) there is an "InjTrg 0-Dn 1-Up" option that should be able to invert the signal, you want to use 1 for the audi/vw fuel consumption signal.

I also think yours might uniquely say it has a "Metric" option. It doesn't really, It just escaped in the middle of some testing.
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Old 05-09-2009, 04:44 PM   #8 (permalink)
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Quick question; If I only hok up fuel signal; what will happen?
Will gph work?
Just trying to test.
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Old 05-09-2009, 05:22 PM   #9 (permalink)
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That's correct, you should get an indication in gph. It may not be accurate until you get it calibrated but it should be proportional if you get the injector slope "InjTrg" setting right. Even without the vss/distance it is still very useable information there, especially for a fixed length commute (or for finding the best route).
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Old 05-09-2009, 06:12 PM   #10 (permalink)
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Quote:
Originally Posted by dcb View Post
That's correct, you should get an indication in gph. It may not be accurate until you get it .
Awesome; just needed that to test.



Looks Like Pin 66 on the 80 pin connector does the N146 (quantity adjustment) trick. It's a Brown and red wire; now off 2 find it.

Also working up a How 2 at the moment.

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