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Old 12-10-2012, 02:09 PM   #1
hnasko
Scooby Newbie
 
Member#: 26163
Join Date: Oct 2002
Chapter/Region: NESIC
Location: Boston
Vehicle:
2011 E90 M3
Jerez Black

Default whats wrong with my STI?

Access port is reading 11volts. No CELS. Dash lights flash really quick. I reset the ecu and flashed to stock from stage 2. Pleases Help. Video link below.
https://www.youtube.com/watch?v=cUR4...e_gdata_player
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Old 12-10-2012, 02:20 PM   #2
s2k11
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Member#: 109776
Join Date: Mar 2006
Chapter/Region: NESIC
Location: Boston
Vehicle:
2011 Sti Hatch
Black

Default

Alternator? That would be my guess with the lack of power to turn over the motor and the low voltage.
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Old 12-10-2012, 02:32 PM   #3
Acejam2k
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Member#: 42645
Join Date: Sep 2003
Chapter/Region: NESIC
Location: MA
Vehicle:
2007 STI
Crystal Gray Metallic

Default

Put the key in and turn it to the ON position, and let it sit for 5-10 seconds. Then turn it to the START position, and try to start it up. Sometimes the ECU needs to re-initialize the ROM after flashing, and starting up a freshly flashed car can cause exactly what you're seeing. Did the flash complete 100% successfully?

If that doesn't work, I'd check your battery. It sounds like it might be dead, especially since you're only seeing 11 volts. Should be 12 while off, and 13.x or so when running I believe.
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Old 12-10-2012, 03:36 PM   #4
peasouped
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Member#: 263537
Join Date: Nov 2010
Chapter/Region: NESIC
Location: Northshore
Vehicle:
09 10+15 WRX WHITE
Crystal White

Default

+1 for the battery. When they are on their last leg they cant suppy proper juice for a reflash
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Old 12-10-2012, 03:39 PM   #5
Loyale93
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Member#: 91347
Join Date: Jul 2005
Chapter/Region: NESIC
Location: Moscow, Russia
Vehicle:
'13 XV Crosstrek,
1050 Triumph Speed Triple

Default

+1 for what Acejam said. let it sit for a minute before trying to crank. If it's not going to do so (like what we saw in the video) don't just keep trying to crank it. It looks like your ECU is initializing the start-up sequence over and over again. While probably not exactly bad for the car, can't be helping anything.

If letting it sit for a few seconds before trying doesn't work, turn it off and start pulling some voltages. Forget about what the AP is reading, see what a multimeter is reading across the battery terminals. If you're at 11 or less, your battery is probably toast. If you jump it and do get it going, then see what the AP says. It could be you have a bad alternator as well that's not charging the battery. Really easy fix and a relatively cheap part.

Also, double check to make sure that the flash was completed on the AP. Back when the AP first came out, there were a billion and one threads about people's cars being dead because they didn't let the flash complete all the way. Make sure you did so.

Let us know what the multimeter reads out. If you don't have one, invest in even a cheapo one from Radio Shack.
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Old 12-10-2012, 03:48 PM   #6
spaber05
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Member#: 142061
Join Date: Feb 2007
Chapter/Region: NESIC
Location: Boston, MA
Vehicle:
'06 STI - EFI tuned
SGM

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Mine did that once before ('06 STI) and one of my battery terminals had some corrosion so I cleaned it up and it hasn't happened since. No proof that that was the problem, just sharing my experience and what seemed to fix it.
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Old 12-10-2012, 04:40 PM   #7
hnasko
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Member#: 26163
Join Date: Oct 2002
Chapter/Region: NESIC
Location: Boston
Vehicle:
2011 E90 M3
Jerez Black

Default

I bought a new battery and it started up. The car sits in my driveway a lot since I commute on the train now so maybe that was why it discharged. I'll measure it with the DMM and see if my alternator is doing its job.

Last edited by hnasko; 12-10-2012 at 04:45 PM.
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