UPDATE ,

1/3/16

the ecu is no longer made by haltech, I only have the pnp harnesses its up to customer to find a used haltech harness unit




This is a discussion thread for this system, please keep it on topic.

This is HUGE for the EARLY VQ35 ECU cars out there!


This system is POWERFUL, for the serious N/A and the FI cars out there! This is a real engine management system!





Some of the major features of this system include:

-End User Tunable (not locked like some EMS on the market)
-Sequential Fuel and Ignition Control (32x32)
-Complete Intake and Exhaust Cam Control (24x24)
-Cylinder Trim Tables for each injector and ignition coil (8x8)
-Configurable AXIS and Load points for all tuning tables
-Tuning via MAF, TPS, or MAP
-Fuel tuning by Volumetric Efficiency (VE) or Injection Time (MS)
-Open/Closed Loop Boost Control
-Dual Channel Closed Loop 02 Control
-Map Trace
-Onboard Data Logging
-USB Communication (no outdated Serial cable required)
-New Windows Tuning Software, ‘Haltech ECU Manager’
-32Bit Microprocessor, 55MHz
-User defined rev limiter
-Auxiliary two-step rev limiter
-Knock Detection
-Overboost Protection
-User Configurable Inputs and Outputs
-Nitrous and Meth Injection Control

The harness has plugs built in for widebands, boost solenoid, external map, exhaust valve timing, and aux limiter. This allows for quick and easy hook up of other features! With this harness you can put the Haltech in the glove box without even modifying the glove box at all. This also allows the ecu "kick panels" to be used making for a super clean install!

This Haltech unit completely controls fuel and ignition; there is no “switch over” point. Tuning is done different ways, but the most common way is to use the onboard map sensor and tune with Volumetric Efficiency.

The Haltech software is amazing to say the least. There is so much control and user definable tables. With easy USB connectivity it really makes things easy. With real time tuning the adjustments that are made do not need “saving” -they are done!



I recommend downloading the Haltech software (Haltech downloads page) install it, open up the 350Z base map, go to view/ load page, load the fuel page. Then play around.


This system is made to work with 02-03 Maximas (and i35's), 02-04 Altimas with VQ35, 03 G35 sedan (early ones), swapped cars running the older grey connector vq35 ecu (sentras mostly).

Ive removed my MAF sensor (im tuned with the onboard map sensor) and i have NO Codes for the MAF sensor. This makes for a SUPER clean engine bay! And no more issues with the maxima MAF.

This unit can adjust CAM TIMING, alter the cam timing and the stock ecu will want to throw a code. Some cars throw a soft code and do not illuminate the cel, but some throw hard codes and do illuminate the cel. This is nothing to worry about.

Haltech also makes a wideband o2 sensor kit, it comes with a controller, and you can get 2 wideband sensors (really nice for the vq motor).

There are so many tuners for this system its crazy! This makes it very nice for anyone wanting to run this and take it to a tuner local to them!

 

This system works great with the 09 Maxima motor that i'm running!

The Haltech unit is completely running the EVT system. Ive built into the harness a plug just for EVT. So if its ever needed it can easily be hooked up!

 

I have to add to this.

I have a 2002 Maxima 6 speed with just about every mod you can have. Darrent wired up my Haltech PnP harness and Haltech gauges!!! His work is second to none. The Haltech is pretty simple to use. With adjustable cam timing you can makke even MORE power!!! Here is everything Darren wired up for me. This system is DEFINATELY worth having. No Japanese instructions either...ALL ENGLISH.



Haltech is so small can fit in the glove compartment. Not HUGE and bulky!!

 

^ Thanks for replying! Yes it fits in the glove box NICELY! can still use the glove box for other stuff, and even lock it if wanted!


Just a note the glove box does not need to have that hole, There is a trap door on the top of that can be used. Glove box has to be removed to see it.

 

how much are these bad boys running!?

 

pm sent, Pricing info is on my site also.

 

Would this be of benefit to me in the future if i decided to do a 6mt swap again?would it eliminate hunting a good m/t ecu

And btw great work surraTT.

 

Far as i know the only issues using a AT ecu in a MT car are the CAN system codes, and cruise control not working.

This will not fix either of those things.


Now if you wanted to get a MT ecu and not get NATS re programed you could do that with this system. The nats system is not needed with this Haltech.


Thanks!

 

Awesome work...I'm definitely going to be getting one of these in the near future.

 

Looks like I need to start parting out to buy this (and 09 motor).

 

DAMN all the good stuff for the 02 03 Dam why couldn't i have 03 wish this work for my 01

 

surratt that was me that emailed you the other day with the questions. Product looks good as hell and this seems like a no brainer as far as picking an engine mamangement system.

 

No regets about spending the money for the Haltech. I believe I was one of the first if not the first guys that was up and running using the haltech on the maxima with Forced Induction. It is a great system that offers alot of nice features with an easy to use interface. The usb cable plug is very nice as well unlike the Utec that I had before.

A far as the features the haltech offers for boost, it cannot be beat. The open/closed loop for boost lets the car run like stock. The haltech also offers a nice safety net if something did go wrong if the car over-boosted.

The really nice thing about the haltech as well is the ability to use the Haltech wideband system that lets the user use two widebands sensors ( 1 for each bank ) and not even worry about the stock o2 sensors since the haltech uses those o2 sensors to run the car.

Anyway that is just the basics of the haltech system.

 

I currently have

2002 maxima
2004 engine
2005 lsd tranny (shorter gears)
fidanza flywheel and exedy stage 1
cattman gen 3 headers
injen cold air (plan on going wai)
nwp intake spacers
nwp vias block off plate

I am sure I would see gains with this unit but my question is do you think it would be worth forking out the extra cash for something like this instead of just doing piggy back type system.

I would like to and I am pretty sure over the next year or two I will be working on a turbo system for the car so I would hate to buy a cheapo now just to replace it later with this.

I am sure the gains with this over a standard afc is noticable but my question is if it would be worth just getting this unit now or if there would most likely being a better alternative down the road? It seems like this is all we would ever need but I am also a super noob when it comes to tuning.

Does the setup advertised on your site also come with the o2 sensors? if not can we get a link or price somewhere please?

Thanks for pioneering this for us. Its because of people like you why I decide to stick with the car.

 

What's the price for the dual WB sensor kit? (yes, I'm being lazy)

 

So they finally made a plug and play harness, before you had to do it yourself? I guess thats nice, certainly easier. Have to wire everything directly to my harness on my 4th gen

 

Do the full 3.5 with ecu swap and you would be able to use this.

"they" still haven't made a plug and play harness for it. SurraTT makes it.

 

my 3.0 is still fresh just hit 100.000 miles would be no point in swapping motor right now unless i find one extremely cheap

 

Thanks! Ive sure put a lot into this! Sounds good! Contact me when you are ready.

Now we are talking! I want to see more 5.7 gens!

Yeah this is for VQ35 cars. If you are in need of a engine management system I also offer PNP Emanage Ultimate harnesses for 00-01 Maxima's.

Thanks! It really is, between the plug and play is so easy, and the price its really a crazy good deal. The Z guys have been spending a LOT more on this same unit for their cars.

Well here is how i see it. If you want a TOP of the line tuning system SAVE up and get this. By the time you buy a cheaper system then get it tuned then are not happy with it and have to sell it and end up with this system you have wasted a lot of money and time. If you are planing to go FI then DEF GET this system. Get this in your car running with a N/A tune get used with the system. By the time you are turbo you will have a good understanding of the system. Then your car will be ready to go FI!

Ive been looking at engine management system for years for our cars. I searched for that perfect system. That is just not going to happen. Unless you want to spend $5,000+ for a INSANE system. This is HANDS DOWN the best system for our cars for the price. Also you have to take into account the support and software that is backed by the system. The Haltech support and software is TOP NOTCH!

This does not come with the wideband sensor kit, its VERY common and sold by a lot of people.


Yes the plug and play harness is what makes this system for us, without that it would be nothing. This is why its such a huge deal! YES this is a crazy deal! Now people have to understand how good of a deal this really is and get their Maxima running a real tuning system.


There are 2 kits out there. One kit comes with one wideband sensor, this i do nto really recommend but its cheaper. its around 260.


The kit that needs to be used comes with 2 wideband sensors one for each header this allows for optimal tuning. That kit is around 330.

Im getting these prices from ebay haltech sellers. The vendors on my350z might have a better price.


The harness is made by me, VoltageDrop.net. Yes its very nice and really easy now!


Unless you wanted all out N/A power! 09 VQ35 swap into 01 maxima, with pnp haltech= bad a**

 

I think im going to tear up here. The early VQ35 ECU will be all grown up now.

 

I don't even have my Max yet & i'm *drooling* lol how much for the entire thing with you doing the plug & play?

 

I just clicked on your link and saw how much you're selling the whole system for.... Crack head prices. Lol. They should definitely sell at that price.

 

I thought he was drunk when typing the price and it must be a typo

 

hahah epic!

I offer my harness with the unit. Price is on the website.


That's the goal! NO MORE excuses! Ive worked insanely hard to get this system going at this amazing price.


Haha Its accurate! I know if the price was not right then the FWD crowd would not want to mess with it. Tuning is important on these cars, esp when the 09 swap is done on more cars. This system is what makes the 09 motor run like it should! EVT FTW!

 

Oh god... I don't even wanna know what you did to them to get the prices that low. lol.

I have a suggestion though, since this is technically a standalone system, can't you market it to 95-01 maximas too? Just throwing this idea out to see if it can possibly work;

Let's say someone with a 00-01 maxima swaps in a full 3.5 without swaping timing components, you can make a harness with the proper 00-01 pinouts, then since there is no pinout for VTCs, you can build into the harness a plug just for IVT (along with EVT and if need be, any other sensors that differ from the 3.0). This would make full swaps essentially plug and play, we can also bypass the NATS. This unit can also work with cable driven TB if i'm not mistaken so pre '02 models have one less thing to change. Doing it this way, the engine harness won't have to change either.

I'm just brainstorming though, so if it makes no sense, just carry on. lol

 

Damn man how come so cheap when i priced the Hal by itself it was almost 2k by itself and your including a custom made harness.man people better jump on this.

 

Ive though about that before, the issue is VQ30 ecu. The Crank and cam sensors. Thats what kills it. The pattern is different and the sensors are a different type.

It could probably work but the vq30 stock ecu would go nuts and thus not pass obd2.


Now if your talking about Using a 3.5 w 3.5 timing, and swapping a 3.5 ecu, and this Halteh then yes that would work and nats would not need to be messed with.


Skills! Mad skillsssss hahaah

 

I meant running this alone without the ecu at all. But then again, not everyone is as privellaged to have no emmissions testing... lol

 

Ohh haha I usually dont even think about it like that. Too many people need to pass obd2.

 

im so excited i cant wait to place a order for my 5.5

 

would you ever do one by request if someone asked?

 

Sounds good! let me know when your ready.


Email me and we can talk about it more. Darren@VoltageDrop.net

 

Well it's not for me. A friend of mine is thinking about doing it. I'll give him your email.

But it would make my swap that much easier...

 

Not really man since I haz those skills as well lol. Just have to know the right connections.

Its just since the 350z/g35 got the complete plug in haltech unit now, the plug and play units are that much cheaper. Reason being is that they can now be sold without the plug and play harness that was usually part of the system for the 350z/g35. IIRC correctly the plug and play harness is roughly $700.

Rant/

 

lol

The new Z unit def brought the prices down on these units. That's good for us maxima people!

They could always be sold without the z pnp harness. Same as the one you have, Paramy purchased that unit over a year ago without a harness....

The difference from then and now is that I offer the new unit AND my harness is one package. My full pnp is cheaper then unit alone from a dealer.


These units come strait from Haltech to me!



/

 

Yeah but before Injected Performance or Dynosty had to sell them to the individual. Now like you stated Haltech is able to sell just the unit without any body in the middle. That is a good thing since it lets you sell the unit and your harness in one package.

Now lets hope more people purchase these units and revive the maxima community.

 

Yep!


There are def more Haltech Maximas floating around, they just don't post about it. And hopefully soon there will be more 09 swapped cars too!


Maybe one day a 09 swap + Haltech will be a common setup!

Oh yea, the nice thing about this system it keeps your stock ecu, and works with the automatic transmission.

The ecu replacement unit only works with manual's!


So for the autos out there this will work for you to!

 

For us 6 speed guys, would there be a reason to go with a full standalone and thats if its even offered by haltech?

 

It would require major re wiring, sorta like the ecu swap I messed with. There would most likely be a few things that no longer worked. And then obd2 would be a issue also.

 

No can do for me then.

If my suspension wasnt shot and I wasnt going to be buying the new tein setup they released Id be all over this. So this mod is second on my list currently so hopefull within a few months. I hope this doesnt die down and it is sort of a stocked item and we dont see this solution go away anytime soon.