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Go Back   SR20 Forum > Main Forums > SR20VE / SR16VE



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Old 05-29-2007, 01:22 AM   #1 (permalink)
2001 B15Ve+N

 
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B15 with ve Need some help

Hey just

just thought i see if this happend to anyone else who installed a ve in the b15. OK installed the harness it started, but it was in limp mode, we had it running with out the ingnition check installed, and we tryed it with it installed No diff still in limp mode. also calum used a vq (e60) maf which i needed to get, i think that would solve my problem, but just wondering has anyone run in to this problem before a calum ecu and harness adapter. also what have you all done to hide the adapter i was think a fuse box around it. so for know just went back to the Vsafc and Factory ecu

cheers

rob

Last edited by Rob_96 : 06-01-2007 at 04:35 PM.
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Old 05-29-2007, 01:50 AM   #2 (permalink)
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how it running with the stock ecu?
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Old 05-29-2007, 01:52 AM   #3 (permalink)
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apexi vsafc that what i am running with the stock ecu
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Old 05-29-2007, 02:12 AM   #4 (permalink)
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If you don't have the right maf for the program you'll automatically go into limp mode. My plug came off my maf once and caused it to run like ass aka limp mode.

Cheers-
Erich
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Old 05-29-2007, 11:12 AM   #5 (permalink)
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OK, just to clarify a few things Rob left out:

The VE was swapped in a few months ago. Since then it has been running the B15 ECU, with an SAFC to compensate for the injectors. It ran fine, but the rev limit is just too low.

He purchased a B14 Calumsult ECU along with a B15>B14 harness adaptor. Last night we installed the new ECU with the harness adaptor and it ran only in limp mode. Calum does not have the ability to program for a B15 MAF, so it is programmed for a VQ MAF. I think this may be the problem, but I am not 100% sure.

Quote:
If you don't have the right maf for the program you'll automatically go into limp mode
See, I have run several incorrect MAF/ECU programs for a very brief period of time, and they run poorly, but not in limp mode, however my experiences are with the OBD 1 setup. The OBD II may be more picky.

We advised Rob to find an N60 MAF and try that. Even if that does not solve the problem, when we do figure it out, the tuning will be much closer.

Has anybody else run this ECU and adaptor in this application? What are you running your B15 with Erich?
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Old 05-29-2007, 11:40 AM   #6 (permalink)
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Im pretty sure Erich did a whole harness swap I could be wrong ***.
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Old 05-29-2007, 12:25 PM   #7 (permalink)
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Its not set for an N60 maf, its set for an E60/61 maf. Thats a 95-9x maxima VQ maf. The pathfinder/VE maf will also work. Do not use an N60!

Sorry for the confusion.

Pull the codes and find out why its in limp mode. Check and make sure the ecu is actually seeing correct signals (maf voltage, etc).
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Last edited by Calum : 05-29-2007 at 12:28 PM.
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Old 05-29-2007, 01:20 PM   #8 (permalink)
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Keep everyone updated, please!

I can't get my car to run right with the B15 ECU, I just wanna know how you got it to run right with that?
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Old 05-30-2007, 12:25 AM   #9 (permalink)
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I am going next week (wed) to get a maf E60 or E61 from the junk yard and i am going to need to find a wiring diagram so i can properly connect it. does anyone have one they can send to me. With that i will install it and then see if that takes me out of limp mode. I hope it does. Thanks for all the help everyone and for FastNx for all his and his brothers help. Hope the race car goes good.



cheers

rob
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Old 05-30-2007, 01:09 AM   #10 (permalink)
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hey rob, you got aim? if so hit me up tealturboser... i'm in th middle of the same swap, just different ecu
I have a JWT programmed for a 95-98 max maf but its running fine with the stock b15/p11 maf...
I havent gotten it on the road yet but we will see..
BTW how'd you get your idle stuff running?
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Last edited by civicdragon : 05-30-2007 at 01:11 AM.
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Old 05-30-2007, 01:45 AM   #11 (permalink)
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no brother i got msn or facebook, ya i am not sure i am goign to huck it up again and get my obd 2 reader and see what happening. and then i can go from there. Pm me ur number and i will give u a should and see. thanks for the help

cheers

rob
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Old 05-30-2007, 02:04 AM   #12 (permalink)
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hit me up on msn... civicdragon@gmail.com
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Old 05-30-2007, 08:03 PM   #13 (permalink)
2001 B15Ve+N

 
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hey everyone i got a maf an e60 from the scrap yard.... know the question is
the E60 has 3 wires Black, Red and White
my b15 maf wires have 4 wires Black, red, white and Green

my friend who is a tech got me the wiring for it and i just wanna make sure

b15 to E60

White (Power supply for PCM) -----------
Black (Ground) -----------
Green (mass air flow sensor) -----------
Red (senor power supply) -----------



Help is greatly appreciated on this one guys


cheers

rob
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Old 05-30-2007, 08:41 PM   #14 (permalink)
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Quote:
Originally Posted by Rob_96 View Post
hey everyone i got a maf an e60 from the scrap yard.... know the question is
the E60 has 3 wires Black, Red and White
my b15 maf wires have 4 wires Black, red, white and Green

my friend who is a tech got me the wiring for it and i just wanna make sure

b15 to E60

White (Power supply for PCM) ----------- not used
Black (Ground) ----------- black
Green (mass air flow sensor) ----------- white
Red (senor power supply) ----------- red



Help is greatly appreciated on this one guys


cheers

rob
i think thats it (thats how i was gonna set mine up, however i didnt have a FSM for the maxima)
Also I am currently still using the stock maf but i havent been able to get out ont he street yet, but it will rev freely without a problem

Last edited by civicdragon : 05-30-2007 at 08:45 PM.
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Old 05-31-2007, 10:31 AM   #15 (permalink)
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I am not sure what some of those mean. I have this:

White=12V(same as power supply for PCM?)
Black=Ground
Green=0-5V(same as mass air flow sensor?)
Red=??? (what is the sensor power supply?)
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Old 05-31-2007, 12:17 PM   #16 (permalink)
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Quote:
Originally Posted by mirrortints View Post
I am not sure what some of those mean. I have this:

White=12V(same as power supply for PCM?)
Black=Ground
Green=0-5V(same as mass air flow sensor?)
Red=??? (what is the sensor power supply?)
I looked at the fsm and your buddy got it wrong (i had it wrong too, was going from memory)

White =12v from ecm relay
Black= maf signal (output volatage to ecu)
Green = Ground
Red = 5V (not used??)

Last edited by civicdragon : 05-31-2007 at 12:24 PM.
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Old 05-31-2007, 12:25 PM   #17 (permalink)
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go to phatg20.net and download the b15 or 2002 p11 fsm... refer to ec-24,25, 135-141, ec-154-158 (this pages are from the 02 g20)
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Old 05-31-2007, 12:38 PM   #18 (permalink)
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Yeah, I was going from the 2000 Sentra FSM. Let me look at the 2002 G20 FSM.
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Old 05-31-2007, 12:43 PM   #19 (permalink)
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the only thing that is different (from all other cars) is that red wire... most nissans have 12v, ground and signal which is from 0-5volts the red wire is constant 5v.
Mike (p10det) was sayign something about some other built in sensor in the maf
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Old 05-31-2007, 12:57 PM   #20 (permalink)
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Okay, question for you. I'm using a Z32 MAF. The 2 middle wires are ground wires, and there's a 12V and a 0-5V wire on the Z32. So, the B15 Red wire should go to the Z32 12V wire and the B15 White wire should go to the Z32 0-5V wire, but then what happens with the B15 Black wire?
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