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      05-01-2010, 05:54 PM   #1
ililillilillilil
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HELP! my JB3 wont change maps

i installed it last week. no errors. drove around for a week not feeling any difference. then yesterday i got it on a dyno. we did runs on maps 0 and 5 and there was no difference.
I emailed Terry at BMS, who was very helpful but we couldnt solve the problem. he said to check it out using the BT cable but i have no idea what to look for.

the guy that ran the dyno checked the instructions and we all double checked and the 4 of us couldnt get it.

advice please
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      05-01-2010, 05:59 PM   #2
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are you on 2.0?

Might have pedal switching disabled. If thats not the case, send it back to Terry so he can test the unit.
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      05-01-2010, 06:03 PM   #3
ililillilillilil
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yes its a pnp 2.0
i asked him about it being defective. he said of course he'll take care of it but the car wouldn't start if it was. so I'm lost now
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      05-01-2010, 06:08 PM   #4
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Quote:
Originally Posted by ililillilillilil View Post
yes its a pnp 2.0
i asked him about it being defective. he said of course he'll take care of it but the car wouldn't start if it was. so I'm lost now
do you have the usb cable? you can connect to the unit and check.... you can even borrow one from someone close by....
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      05-01-2010, 06:11 PM   #5
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Quote:
Originally Posted by ililillilillilil View Post
i installed it last week. no errors. drove around for a week not feeling any difference. then yesterday i got it on a dyno. we did runs on maps 0 and 5 and there was no difference.
I emailed Terry at BMS, who was very helpful but we couldnt solve the problem. he said to check it out using the BT cable but i have no idea what to look for.

the guy that ran the dyno checked the instructions and we all double checked and the 4 of us couldnt get it.

advice please
He probably told you to connect a tuning cable and verify boost levels and map switching that way. The BT won't tell you anything about maps.

Mike
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      05-01-2010, 06:13 PM   #6
ililillilillilil
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so what exactly should i do? im new to all this stuff


thanks
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      05-01-2010, 06:14 PM   #7
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you're in LI, if you want JB3 help PM me.
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      05-01-2010, 06:24 PM   #8
ililillilillilil
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nice offer but I'm in FL now
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      05-01-2010, 06:48 PM   #9
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The tuning cable connects to the bottom of the JB3 and your laptop. Lets you datalog and make JB3 adjustments. If you're still confused let their tech support know you are confused. It sounds like you never bought the tuning cable so you'll need that first. It's $35.

Mike
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      05-01-2010, 07:00 PM   #10
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Things to check.

1. You do infact have a 335.
2. Pedal mapswitching enabled via cable.
3. ECU Plugs are installed correctly
4. You didnt knock off a vacuum line/cracked one somewhere.
5. Pedal switching being done correctly.

When you were on the dyno, what #s did you put down? Might be able to help us some.
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      05-01-2010, 07:15 PM   #11
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1- lol yea i just went outside and checked
2- i didnt know about that
3- i thought id get a code if it wasnt
4- probably not
5- seems easy enough

this was helpful. maybe i have to enable it but i thought i was good to go.
now wich cable is it? the one that goes to the jb3 or the bt cable that goes by the hood latch by the driver's seat?

here's my results
torque - 265
hp - 273

with an Injen DCI
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      05-01-2010, 07:40 PM   #12
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ok. ill order the cable and keep you posted.

THANK YOU ALL!
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      05-01-2010, 07:47 PM   #13
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fk im installing my jb3 today and im nervous now :z
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      05-01-2010, 09:06 PM   #14
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something is definately not right.
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      05-01-2010, 09:38 PM   #15
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Quote:
Originally Posted by EZ_TUR90 View Post
fk im installing my jb3 today and im nervous now :z
Don't be. It's very simple! I haven't had any issues so far.
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      05-02-2010, 12:15 AM   #16
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take your time and it will pay off
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      05-02-2010, 02:24 AM   #17
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Quote:
Originally Posted by ililillilillilil View Post
1- lol yea i just went outside and checked
2- i didnt know about that
3- i thought id get a code if it wasnt
4- probably not
5- seems easy enough

this was helpful. maybe i have to enable it but i thought i was good to go.
now wich cable is it? the one that goes to the jb3 or the bt cable that goes by the hood latch by the driver's seat?

here's my results
torque - 265
hp - 273

with an Injen DCI

If your hearing a abnormaly loud whoosh from your engine than you probably blew one of your Dv's off (diverter valves). When you first installed the JB did it pull hard then all of a sudden just loose the power ( it could be the dv's). Your supposed to be putting down at least 350 whp on map5 with light supporting mods.
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      05-02-2010, 04:16 AM   #18
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If you had it on the dyno didn't you hook it up to a laptop to datalog? You spent the money on a software program that has the ability to do so, take advantage and see what's going on.
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      05-02-2010, 09:50 AM   #19
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Quote:
Originally Posted by EZ_TUR90 View Post
fk im installing my jb3 today and im nervous now :z
If you have the com to usb cable then you will be fine. Just make sure you run the cable through the firewall. It's so easy to do that I was actually shocked. Once thats hooked up and the JB3 is on then you can switch maps and verify through the JB3 interface.
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      05-16-2010, 11:29 AM   #20
ililillilillilil
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i plugged it into the laptop using the datalogging cable and it was already on map 3.
after a short ride i felt it kick in.
now its fine.
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      05-16-2010, 12:20 PM   #21
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stay on map3 for a few days first before you move on to map5
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      05-20-2010, 06:46 AM   #22
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Quote:
Originally Posted by Jon335iFL View Post
If your hearing a abnormaly loud whoosh from your engine than you probably blew one of your Dv's off (diverter valves). When you first installed the JB did it pull hard then all of a sudden just loose the power ( it could be the dv's). Your supposed to be putting down at least 350 whp on map5 with light supporting mods.
I am not sure if this happened to me.My car pulled hard until last week.Sent logs to Terry & said looks good but my car doesnt have that go like it did last week?I am wondering if its a diverter vale & whats the best way to test it or check?I get no faults when i check with the B tool also.My car just doesnt pull hard now dont know why & is only 10,000 miles on the car.BTW i am using map 5 with DCi & JB 2.0 FYi.

Last edited by SpanKyM3; 05-20-2010 at 06:59 AM..
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