Stripping ECU/ECM of BCM/IPDM/ignition dependencies
04-24-2010, 09:13 PM
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Stripping ECU/ECM of BCM/IPDM/ignition dependencies
I'm currently doing an 06 VQ35DE rev-up edition motor swap into...well, not a 350z 
. I would like to have the ECU reprogrammed to strip its dependencies on the stock ignition/BCM/IPDM/etc and possibly the secondary post-cat oxygen sensors if possible.
Who offers this kind of service? Technosquare? Uprev? Z-Fever? I would like to find someone who knows what they're doing and I can be assured they're not going to screw me since it will be a while before I actually have the full car up and running. I don't want to get the ECU reprogrammed and then not find out until a year later that it's running in some kind of limp mode.
. I would like to have the ECU reprogrammed to strip its dependencies on the stock ignition/BCM/IPDM/etc and possibly the secondary post-cat oxygen sensors if possible. Who offers this kind of service? Technosquare? Uprev? Z-Fever? I would like to find someone who knows what they're doing and I can be assured they're not going to screw me since it will be a while before I actually have the full car up and running. I don't want to get the ECU reprogrammed and then not find out until a year later that it's running in some kind of limp mode.
04-25-2010, 08:19 AM
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Buy a Haltech. Strip your wiring harness of everything you dont want or need. Cut the end of the engine harness off, cut up the Haltech/350z harness and wire them together. Change the setting in the Haltech to MAP not MAF. You will then only have a moddified engine harness with a moddified Haltech Harness and a Haltech. This is what I am doing (with Hal's help).
04-25-2010, 08:26 AM
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Buy a Haltech. Strip your wiring harness of everything you dont want or need. Cut the end of the engine harness off, cut up the Haltech/350z harness and wire them together. Change the setting in the Haltech to MAP not MAF. You will then only have a moddified engine harness with a moddified Haltech Harness and a Haltech. This is what I am doing (with Hal's help).
04-26-2010, 08:13 AM
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Buy a used one. Or keep the stock stuff, which isnt all that bad and a reflash of the ECU. I like the Haltech because I like to do my tuning and I can really clean up the wiring.
04-26-2010, 08:36 PM
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Well as a wise man once told me "You have to pay to play" and "There are only two types of people, those that have money and those that know what they are doing." So which are you?
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04-26-2010, 09:37 PM
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Just a person looking for options and experiences, while not wasting money I don't have to. I could buy the Haltech right now, but it's more than what I need and would be wasteful for something I simply want to "set and forget" like a stock ECU. You could be right - maybe the Haltech is the most simple/clean install, but right now I'm just exploring options. Z-Fever claims to do what I want, but I haven't really heard any real customer testimonials either way. Got a thread on your Haltech install?
04-27-2010, 07:32 AM
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I must apologize you are correct. Their are companys that will reflash the stock computer to "get rid of" the BS and they offer a harness rewire service. I did look into this and found that a used Haltach was the same price When I found one as a "good deal". If you truely want a set-it and forget-it solution then maybe that is for you. For me I am building my motor N/A, so I will need to tune it. I dont have a build tread yet. I was thinking about maybe doing one in a month or so. Also, look at the treads below.
http://forums.hybridz.org/index.php?...iring-service/
http://forums.hybridz.org/index.php?...-240z-project/
http://forums.hybridz.org/index.php?...iring-service/
http://forums.hybridz.org/index.php?...-240z-project/
04-27-2010, 03:53 PM
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Yeah, I'm really only looking for the reflash service. I've been going over the FSM and everything looks pretty straight forward between the ECU and the engine harness. The only modifications I see are to adapt the gas pedal sensor and the OBD/data link port into the engine harness since they are technically on different harness sections, but they still communicate directly with the ECU and don't use the CAN comm. bus, and of course the normal power/ground, etc
06-10-2012, 09:04 PM
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Bump!
I had another embarrassing day with my Z. She ran great after a coolant flush/thermostat delete. I thought I had a finger on the problem, seems the BCM and IPDM both are slowly sh!tting the bed.
I just contacted Z-fever about removing the NATS and BCM/IPDM dependencies that the ECU has. I know they have done this, just bumping this to see if anyone else have gone through this.
Thanks
I had another embarrassing day with my Z. She ran great after a coolant flush/thermostat delete. I thought I had a finger on the problem, seems the BCM and IPDM both are slowly sh!tting the bed.
I just contacted Z-fever about removing the NATS and BCM/IPDM dependencies that the ECU has. I know they have done this, just bumping this to see if anyone else have gone through this.
Thanks
08-18-2012, 05:54 AM
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It didn't cost... I bought Osirus Tuner specifically for my engine and ecu swap. Couldn't use it to disable the DTCs thrown, so I complained and they customer serviced me. 
08-18-2012, 10:56 AM
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If you've got uprev you just need to get NATS disabled in the tune and you should be fine.
This has to be done by either Uprev themselves or a protuner, none of the customer cables have access to that feature. If you need it done or want to pick up an Uprev cable PM me, I know a guy
This has to be done by either Uprev themselves or a protuner, none of the customer cables have access to that feature. If you need it done or want to pick up an Uprev cable PM me, I know a guy
Last edited by thisishk350; 08-18-2012 at 10:59 AM.
07-17-2018, 08:54 AM
#19
Quick question, i have a completely stripped off rod racecar...
can i completely delete/eliminate the IPDM?
considering it only really controls the starter relay, ECM relay, Throttle control motor relay, and the fuel pump relay?...
thanx in advance.
can i completely delete/eliminate the IPDM?
considering it only really controls the starter relay, ECM relay, Throttle control motor relay, and the fuel pump relay?...
thanx in advance.
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