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Old 07-09-2003, 11:02 AM   #1
jawbrkr
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Member#: 37822
Join Date: Jun 2003
Chapter/Region: MAIC
Location: Centreville, VA
Vehicle:
2004 Uber Stock WRX
Blue

Default vagcom ? - subaru diagnostics tool ???

Coming from a Volkswagen background, we have this nifty little tool called a vag-com that reads your ecu, which inturns allows you to remove codes, read codes, remove check engline lights, and find out everything that is going on with your motor.

I was just wondering if Subaru had anything like that, that is capable of plugging into a laptop, so you can find out what your motor is doing. If so, could you kindly point me into the right direction. Thanks a bunch.
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Old 08-05-2003, 02:15 AM   #2
johsti
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Oh, the Vag tool. I was always looking for one when I had my Audi. For the Subarus, I think you can pull codes with a OBDII scanner. you can get one cheap at a PepBoys or Kragen.
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Old 08-05-2003, 05:53 AM   #3
idealrides
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06 Jeep SRT8 - 450hp

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The VW/Audi community was lucky to have Uwe Ross develop his VAG-5051 emulator, since there are many functions that you can't do with a generic OBD2 scanner. It was so nice to be able to swap chips and plug in the VAG-COM to clear the power interrupt and to force the the readiness codes.

Unfortunately nobody has done the same for the Subaru Select Monitor, so like johnsti said, we're stuck with using generic scanners. I've got a palm pilot based scanner (search ebay for "Auterra") and I recommend it.
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Old 08-05-2003, 06:45 AM   #4
Mulder
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15 WRX/05 GTO

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Actually for Subaru we have the Ecutek Delta Dash which works with a laptop and uses the Subaru protocol to communicate with the ECU rather than OBDII. It has a much faster data rate than a generic scanner and allows for monitoring and logging of all sensors and parameters seen by the ECU. The generic scanners, whether palm/PC based or standalone, can only read some of the available data. Also when used in conjunction with Ecutek's reflash product the DD allows some limited tuning adjustments by the end user. It doesn't duplicate all of the functions of the Subaru Select Monitor but it's the only unit that comes close and it is very affordable (about $300).
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Old 08-05-2003, 07:40 AM   #5
Slowpoke
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I second the recommendation for Auterra. I bought one new off Ebay, which cost me a little over $200 including the serial cable needed to connect to my Sony Clie.

In addition to reading and clearing codes you can read and log data from various sensors on your car. I haven't played around with that feature too much - although I did log my speed on my morning commute once. I then quickly erased the evidence.

Hey I see Auterra now has a Dyno feature as well. I'll have to download the software update.

Anyhow You can read about it here
http://www.auterraweb.com
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Old 08-05-2003, 01:42 PM   #6
idealrides
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There you go again mulder, always dishing out the subaru knowledge!

I wasn't aware the DD was that sophisticated, I just checkout out the website and it appears you have to get your ECU reflashed in order for the DD to make adjustments. Now their products seem quite a bit more interesting. <Rubbing hands together with an evil look on my face>
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Old 08-05-2003, 02:43 PM   #7
Mulder
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Yes, you do need their reflash in order to have access to the tuning options. You also can't make the same kind of fine adjustments as the authorized dealers who actually set up the maps and do the reflash, but you will have more access to the ECU with a DD/ECutek reflash than with anything else.
Even if you don't get a reflash (I didn't) the DD is still the only unit you can buy that can see all sensors and outputs of the ECU.
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