MHD flasher + Jb4 help

TXE90_bryan · 09-21-2015, 08:07 PM

Ok I may be beating a dead horse, but needed some help.

So i currently have the jb4 g5 board, to use the mhd flasher to make a custom map, I would need to get a log off of the OBII port connector. The only way to do this from what i've read is to make the jb4 completely passive by "To implement option B:

Two JB4 subconnectors must be placed back to stock while the rest of the system remains installed. Put the white and small black subconnectors back to stock and tuck them out of the way. This removes the JB4s ability to maniplulate the wastegates, fuel pressure, and oxygen sensors. If equipped with CPS or SLD wires put these back to stock as well. The JB4 large black and gray connectors need to remain installed. Note that this method can be implemented with a G4 or G5 board. "

Now my question is: is there any way to log from the OBII port with the MHD flasher without having to that option B?

Thank you
Sorry if its a repost
Bryan

335socal · 09-22-2015, 12:32 AM

If your on the most upto date jb4 firmware. Put jb4 to map 0 then load your mhd tune then afterwards put jb4 to map 4 and option 4/3.

MHD Tuning · 09-22-2015, 06:28 AM

Quote:

Originally Posted by 335socal

If your on the most upto date jb4 firmware. Put jb4 to map 0 then load your mhd tune then afterwards put jb4 to map 4 and option 4/3.

OBD logging will still not be possible (whatever the App), the JB4 is never passive. Removing the JB4 is quicker than all the steps above.

1st · 09-22-2015, 08:05 AM

Why not log through the JB4 USB connection?

Flashing through the OBD2 port with the JB4 on map 0 (instead of it being completely removed) is still an option, correct?

Mike@N54Tuning.com · 09-22-2015, 09:40 AM

Quote:

Originally Posted by 1st

Why not log through the JB4 USB connection?

Flashing through the OBD2 port with the JB4 on map 0 (instead of it being completely removed) is still an option, correct?

You should be able to flash the DME with JB4 on map0 as map0 is the JB4 bypass (non-OBD port active) map.

Mike

TXE90_bryan · 09-23-2015, 04:13 PM

Well I was wanting a custom map from Wedge, which requires me to have a log via the ObII port... Ken was saying that jb4 has to be completely passive, even in map 0 it is not passive

TXE90_bryan · 09-23-2015, 04:14 PM

So i think i may have to take the two sub connectors and put them back to stock

ragingpanda · 09-23-2015, 04:31 PM

Remove the jb4, the car will thank you in the end

TXE90_bryan · 09-24-2015, 09:08 AM

ragingpanda Yeah thats what I think Im going to do. It was my first mod although, Im sentimental! ha.

Does the wedge tune have fail safe though?

09-21-2015, 08:07 PM	#1
TXE90_bryan Private First Class 4 Rep 123 Posts Drives: E90 N54 Join Date: Feb 2015 Location: God Bless Texas iTrader: (0)	MHD flasher + Jb4 help Ok I may be beating a dead horse, but needed some help. So i currently have the jb4 g5 board, to use the mhd flasher to make a custom map, I would need to get a log off of the OBII port connector. The only way to do this from what i've read is to make the jb4 completely passive by "To implement option B: Two JB4 subconnectors must be placed back to stock while the rest of the system remains installed. Put the white and small black subconnectors back to stock and tuck them out of the way. This removes the JB4s ability to maniplulate the wastegates, fuel pressure, and oxygen sensors. If equipped with CPS or SLD wires put these back to stock as well. The JB4 large black and gray connectors need to remain installed. Note that this method can be implemented with a G4 or G5 board. " Now my question is: is there any way to log from the OBII port with the MHD flasher without having to that option B? Thank you Sorry if its a repost Bryan
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09-22-2015, 12:32 AM	#2
335socal Captain 83 Rep 704 Posts Drives: Alpine white 335 coupe Join Date: Mar 2013 Location: National city iTrader: (3)	If your on the most upto date jb4 firmware. Put jb4 to map 0 then load your mhd tune then afterwards put jb4 to map 4 and option 4/3.
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09-22-2015, 08:05 AM	#4
1st Newbie 12 Rep 84 Posts Drives: PT6466 JB/CR 6MT 335i Join Date: Jan 2015 Location: Charleston, SC iTrader: (2)	Why not log through the JB4 USB connection? Flashing through the OBD2 port with the JB4 on map 0 (instead of it being completely removed) is still an option, correct?
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09-23-2015, 04:13 PM	#6
TXE90_bryan Private First Class 4 Rep 123 Posts Drives: E90 N54 Join Date: Feb 2015 Location: God Bless Texas iTrader: (0)	Well I was wanting a custom map from Wedge, which requires me to have a log via the ObII port... Ken was saying that jb4 has to be completely passive, even in map 0 it is not passive
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09-23-2015, 04:14 PM	#7
TXE90_bryan Private First Class 4 Rep 123 Posts Drives: E90 N54 Join Date: Feb 2015 Location: God Bless Texas iTrader: (0)	So i think i may have to take the two sub connectors and put them back to stock
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09-23-2015, 04:31 PM	#8
ragingpanda Banned 321 Rep 751 Posts Drives: 135i Join Date: May 2012 Location: Florida iTrader: (0)	Remove the jb4, the car will thank you in the end
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09-24-2015, 09:08 AM	#9
TXE90_bryan Private First Class 4 Rep 123 Posts Drives: E90 N54 Join Date: Feb 2015 Location: God Bless Texas iTrader: (0)	ragingpanda Yeah thats what I think Im going to do. It was my first mod although, Im sentimental! ha. Does the wedge tune have fail safe though?
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