AEM FIC fight for turbo!!! - Page 2 - Toyota Yaris Forums

CTScott · 04-27-2013, 09:07 PM

Quote:

Originally Posted by thatbryanguy

Update, got my 08 ECU in and the car runs good with that and I don't get the crankshaft position sensor CEL anymore when i plug the FIC in. BUT now my car dies out with 3 misfire codes. Random misfire, cyl 1, and cyl 3. What could this be caused by?

Excellent on the crank issue. On the dying with a misfire one, is your injector response time up at 810us or more?

thatbryanguy · 04-27-2013, 11:24 PM

Yea it should still have that same cal file I sent to you loaded on the FIC. I'll plug it in tomorrow and check everything again.

thatbryanguy · 04-28-2013, 09:57 PM

It's set to 810us for injector response. Wonder what else could cause something like this.

CTScott · 04-28-2013, 10:07 PM

Quote:

Originally Posted by thatbryanguy

It's set to 810us for injector response. Wonder what else could cause something like this.

If you stick the FIC bypass connector on does it run correctly?

thatbryanguy · 04-29-2013, 01:29 PM

I'm actually having trouble finding my bypass harness since my last install/removal. So I haven't tried that out yet.

thatbryanguy · 05-27-2013, 12:55 AM

ok after a little break from the modding game and enjoying my new wheels, i finally got around to finding my bypass connector and it runs fine with it connected. Its only when the FIC is connected that the misfires occur. These misfires also occur in my fiance's sisters yaris.

CTScott · 05-27-2013, 07:46 AM

Quote:

Originally Posted by thatbryanguy

ok after a little break from the modding game and enjoying my new wheels, i finally got around to finding my bypass connector and it runs fine with it connected. Its only when the FIC is connected that the misfires occur. These misfires also occur in my fiance's sisters yaris.

You don't by any chance have someone else nearby with a FIC, where you can try that in place of yours?

thatbryanguy · 05-27-2013, 10:04 AM

I don't unfortunately...and I currently don't have the funds to pick another FIC up just to test.

CTScott · 05-27-2013, 12:16 PM

Quote:

Originally Posted by thatbryanguy

I don't unfortunately...and I currently don't have the funds to pick another FIC up just to test.

Maybe I should ship you mine to test with.

yariSB86 · 05-27-2013, 03:16 PM

Since me and OP are experiencing the same problem with our 07 ECU, I'm going to replace mine as well. I found a slightly used one for $95. Gotta wait for it to get in, then ill update with results.

CTScott · 05-27-2013, 05:26 PM

Quote:

Originally Posted by yariSB86

Since me and OP are experiencing the same problem with our 07 ECU, I'm going to replace mine as well. I found a slightly used one for $95. Gotta wait for it to get in, then ill update with results.

fnkngrv as well. He swapped my FIC in and the problem went away, but we are going to try an 08 ECM on his as well.

thatbryanguy · 05-27-2013, 07:17 PM

Man that would be a great help Scott but let me double check everything one last time before I bother you with all of that.

CTScott · 05-28-2013, 11:14 AM

Quote:

Originally Posted by yariSB86

Since me and OP are experiencing the same problem with our 07 ECU, I'm going to replace mine as well. I found a slightly used one for $95. Gotta wait for it to get in, then ill update with results.

If you haven't ordered it yet, I can now do the firmware updating on existing ones to load the new version that corrects the issue.

thatbryanguy · 05-28-2013, 06:02 PM

Hmm, how much if I send you my '07 ECU just to have it updated? id like to run my original ECU if I could.

yariSB86 · 05-28-2013, 06:30 PM

Darn, I just placed the order for my 08 ecu yesterday...wasnt too bad though, only $119 shipped. If that doesn't work: with bryans question, how much would you like scott? if we sent our stock 07 ecus to you.

CTScott · 05-28-2013, 09:25 PM

It's a pretty quick and easy job with my test bench, so I would do them for $25 plus the cost to return them to you (which was about $7 to ship fnkngrv's today). While I am doing the update I will also program the VIN for you, which is stored in ECM.

thatbryanguy · 05-29-2013, 12:06 PM

So upon a final attempt to double check everything and re-install the FIC I found the vacuum line going to the FIC was torn. Didn't know if that had anything to do with the problem but I knew it wasn't a good thing and would cause some vacuum leak problem so I replaced it. Put everything together and started it up. No problems! It ran, idle fluctuated back and forth a lot at first but that was to be expected after disconnecting the battery and with the 1zz TB. Took it for a test drive and it did just fine :) so I guess this adventure is finally over and I'm ready to move on to my Turbo adventure! Thanks to everyone who helped me out this past year with this issue!

TOLMACH · 05-29-2013, 12:17 PM

I remember couple other threads where vacuum/BOV/piping was the issue

Will double check everything when installing my turbo .. vacuum seems important ))

05-27-2013, 03:16 PM	#28
yariSB86 View User's Garage Drives: 07 Bayou Blue Yaris LB Join Date: May 2007 Location: OH Posts: 211	Since me and OP are experiencing the same problem with our 07 ECU, I'm going to replace mine as well. I found a slightly used one for $95. Gotta wait for it to get in, then ill update with results. __________________ _______________________________________________

05-28-2013, 06:30 PM	#33
yariSB86 View User's Garage Drives: 07 Bayou Blue Yaris LB Join Date: May 2007 Location: OH Posts: 211	Darn, I just placed the order for my 08 ecu yesterday...wasnt too bad though, only $119 shipped. If that doesn't work: with bryans question, how much would you like scott? if we sent our stock 07 ecus to you. __________________ _______________________________________________

05-28-2013, 09:25 PM	#34
CTScott ULTIMATE View User's Garage Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008 Location: USA, CT Posts: 13,460	It's a pretty quick and easy job with my test bench, so I would do them for $25 plus the cost to return them to you (which was about $7 to ship fnkngrv's today). While I am doing the update I will also program the VIN for you, which is stored in ECM. __________________

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04-27-2013, 11:24 PM	#20
thatbryanguy Drives: Yaris 3dr hatch Join Date: Jan 2012 Location: SC Posts: 116	Yea it should still have that same cal file I sent to you loaded on the FIC. I'll plug it in tomorrow and check everything again.

04-28-2013, 09:57 PM	#21
thatbryanguy Drives: Yaris 3dr hatch Join Date: Jan 2012 Location: SC Posts: 116	It's set to 810us for injector response. Wonder what else could cause something like this.

04-29-2013, 01:29 PM	#23
thatbryanguy Drives: Yaris 3dr hatch Join Date: Jan 2012 Location: SC Posts: 116	I'm actually having trouble finding my bypass harness since my last install/removal. So I haven't tried that out yet.

05-27-2013, 12:55 AM	#24
thatbryanguy Drives: Yaris 3dr hatch Join Date: Jan 2012 Location: SC Posts: 116	ok after a little break from the modding game and enjoying my new wheels, i finally got around to finding my bypass connector and it runs fine with it connected. Its only when the FIC is connected that the misfires occur. These misfires also occur in my fiance's sisters yaris.

05-27-2013, 10:04 AM	#26
thatbryanguy Drives: Yaris 3dr hatch Join Date: Jan 2012 Location: SC Posts: 116	I don't unfortunately...and I currently don't have the funds to pick another FIC up just to test.

05-27-2013, 07:17 PM	#30
thatbryanguy Drives: Yaris 3dr hatch Join Date: Jan 2012 Location: SC Posts: 116	Man that would be a great help Scott but let me double check everything one last time before I bother you with all of that.

05-28-2013, 06:02 PM	#32
thatbryanguy Drives: Yaris 3dr hatch Join Date: Jan 2012 Location: SC Posts: 116	Hmm, how much if I send you my '07 ECU just to have it updated? id like to run my original ECU if I could.

05-29-2013, 12:06 PM	#35
thatbryanguy Drives: Yaris 3dr hatch Join Date: Jan 2012 Location: SC Posts: 116	So upon a final attempt to double check everything and re-install the FIC I found the vacuum line going to the FIC was torn. Didn't know if that had anything to do with the problem but I knew it wasn't a good thing and would cause some vacuum leak problem so I replaced it. Put everything together and started it up. No problems! It ran, idle fluctuated back and forth a lot at first but that was to be expected after disconnecting the battery and with the 1zz TB. Took it for a test drive and it did just fine :) so I guess this adventure is finally over and I'm ready to move on to my Turbo adventure! Thanks to everyone who helped me out this past year with this issue!

05-29-2013, 12:17 PM	#36
TOLMACH Drives: soarer Join Date: Feb 2011 Location: Beautiful British Columbia Posts: 954	I remember couple other threads where vacuum/BOV/piping was the issue Will double check everything when installing my turbo .. vacuum seems important ))