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View Full Version : Power FC commander problem !!!


biggieB15z33
11-26-2013, 04:37 PM
Ok guys I bought my car with an sr20det swap and it comes with the Apexi Power FC and commander, the car will only hold iddle for like 3 seconds the commander turns on but it freezes at the Apexi logo I got a base tune from Steve from Shadowerks but can't put it in because I have that problem, from what I've searched the commander its not for that ECU :( any other ideas that you guys think of that could cause the commander to freeze? and another question how do I know if I have a D-jetro or L-jetro?
at the bottom is the serial number for the ecu and commander
http://i85.photobucket.com/albums/k68/biggie8321/20131126_1444091_zpsed0ab706.jpg (http://s85.photobucket.com/user/biggie8321/media/20131126_1444091_zpsed0ab706.jpg.html)
http://i85.photobucket.com/albums/k68/biggie8321/20131126_144319_zps9e9ed129.jpg (http://s85.photobucket.com/user/biggie8321/media/20131126_144319_zps9e9ed129.jpg.html)

Dboyizmlg
11-26-2013, 05:26 PM
Got some thing for you.

Apexi PowerFC FAQ (http://www.paulr33.com/powerfc-faq/powerfc-faq.htm#20)

fliprayzin240sx
11-29-2013, 11:01 AM
Check the PN for your PFC you have and the Commander. Make sure they are compatible. If they match, then you might have a bad commander or worst, a bad PFC.

aga
12-02-2013, 04:07 AM
you say he gave you a tune...how were you supposed to import that...with a commander? do you have a datalogit?

biggieB15z33
12-02-2013, 10:59 PM
you say he gave you a tune...how were you supposed to import that...with a commander? do you have a datalogit?
yes with the commander its just a base tune

oni jake
12-02-2013, 11:22 PM
from what I've searched the commander its not for that ECU :( any other ideas that you guys think of that could cause the commander to freeze?

What you've searched is most likely to be true. Commanders will light up and freeze at the first screen when it's incompatable with the ECU. Call Apex'I directly and they'll confirm your suspicion, and tell what your options are.


and another question how do I know if I have a D-jetro or L-jetro?

If you called Apex'I, gave them your ECU part number, and didn't ask this question, then I suppose you could check to see if you have a MAF installed or not.

aga
12-03-2013, 04:32 AM
you cannot import a tune with a commander. the commander is just for minor tweaks and a monitoring device. you dont even have access to half the settings of the ecu. you need a datalogit device and a laptop to tune, and import another guy's tune.

oni jake
12-03-2013, 09:09 AM
you cannot import a tune with a commander. the commander is just for minor tweaks and a monitoring device. you dont even have access to half the settings of the ecu. you need a datalogit device and a laptop to tune, and import another guy's tune.


You can totally import a tune with the commander, that's one of the major points to buying a Power F.C. You are correct that you can't make finer adjustments.

By import, I mean do all of that slowly, by hand.

aga
12-03-2013, 09:51 AM
well....

in an L-jetro, the main tuning table is the airflow table, where you define the cuve of the airflow voltage... you can't access that by commander.

in a D-jectro, the main tuning table is the base fuel map... you can't access that by commander.

the only thing you can access in both types is the fuel correction map, which is a +-50% correction on the base map (or airflow) ...so if either the base map or the airflow is modified, you re essentially going blind, and doing...whatever.

oni jake
12-03-2013, 10:01 AM
uhhh..... You can access the base maps on both versions. You must be thinking of a S-AFC2

aga
12-03-2013, 10:09 AM
dude no, i am not confused, i ve been tuning power fc's for 10 years professionally.

fliprayzin240sx
12-03-2013, 11:09 AM
uhhh..... You can access the base maps on both versions. You must be thinking of a S-AFC2

He's talking about what you can do with the PFC. You're limited in what you can do with the commander. Sure you can punch in your fuel map and timing map in there, but you will be under utilizing it. I never realized how much shit I dont see in a PFC with a commander until I used an FC dataloggit.

Back to the OP, do a search, there's a 2nd power pin in the harness that's supposed to send a 12v signal into the PFC for it to work properly. The stock ECU doesnt need that 2nd power pin but the PFC does for it to work correctly. You could be one of those folks who are not seeing voltage on that pin.

oni jake
12-03-2013, 12:40 PM
dude no, i am not confused, i ve been tuning power fc's for 10 years professionally.

K cool story. Tell me how I can't see and make changes to the fuel/ign matrix on my D-jet through the commander when I obviously can?

He's talking about what you can do with the PFC. You're limited in what you can do with the commander. Sure you can punch in your fuel map and timing map in there, but you will be under utilizing it. I never realized how much shit I dont see in a PFC with a commander until I used an FC dataloggit.

Uh yeah, I agree that tuning is limited through the commander. However, it's possible to make changes to the base fuel or ign tables through the commander. You can definitely access much more via Datalogic, but it is certainly possible to "tune" with the commander alone. (And a wideband) <---- Entire point.

aga
12-03-2013, 12:44 PM
sure man, whatever you say.

*you don't even know what it's called.

oni jake
12-03-2013, 12:54 PM
sure man, whatever you say.

Thanks bro! Glad we got that cleared up.

biggieB15z33
12-03-2013, 09:33 PM
Ok thank guys for the info, talked to an Apexi representative and the controller I have is a newer model and its not compatible since i'm using and older ECU..In the process of selling this controller and buying one that I can use with my Ecu

Kingtal0n
12-03-2013, 11:36 PM
K cool story. Tell me how I can't see and make changes to the fuel/ign matrix on my D-jet through the commander when I obviously can?



Uh yeah, I agree that tuning is limited through the commander. However, it's possible to make changes to the base fuel or ign tables through the commander. You can definitely access much more via Datalogic, but it is certainly possible to "tune" with the commander alone. (And a wideband) <---- Entire point.

He means (and said) that you cannot access the base map with the commander. Which is true. What you see in the commander is a watered down multiplier based map, that references values on the true base map, which cannot be accessed via any commander.