Hi everyone,

I recently purchased an AEM Wolf3D V500 ecu and I am having trouble wiring up my Bosch wideband LSU4 sensor. Can someone please help me?
I have emailed wolf about it but they have not responded for 10 days now.

I bought the sensor from wolf as well, its a Bosch LSU4 0258007200 Wideband Sensor Part number 330-LSU-200. (www.wolfems.com.au)

Wolf v500 downloads page: http://www.wolfems.com/component/opt...,28/Itemid,48/

Initially I didn't know how to wire it so I just tried a few combos since there are only 3 wires (didnt use the heater ones). So I hope it didn't blow up.
Then I found a wiring diagram page in the manual that shows how to wire the 5 wire sensor. I wired it as shown but the manual fails to explain how you use the heater control from the aux LS3 input/output.

Does anybody know how this works? And is it a good idea to just put the heater wires straight to a 12V source (ignition) and ground instead?

Well the main problem is that when I run the software without the sensor heater connected I get a low voltage and as soon as I connect the heater it climbs to almost 5 volts, this is both with the sensor in the open air and in the exhaust pipe with or without the engine running.

The AFR value always stays at 00 the whole time, so why is it not changing to match the voltage?

It might be possible that its reading full rich because the car has not been tuned other than at full throttle which should show a/f of 13 and the car chewed through a tank of petrol so it might just be off the scale. But somehow I doubt it, because even at idle it would really run if it was running that rich.

Could it be that without the heater control the sensor is overheating and giving the wrong reading?


I don't know, can someone please help?! Its driving me mad.

thanks!

 

you cannot just wire 12v to the heater on an lsu4. It needs to be controlled properly.

I have no experience with the v5, I just know the wideband support has been broken in v4. good luck!

 

sorry to thread jack, but so if i buy the required lsm-11 bosch o2 sensor, it won't work with v4? i remember reading about it but there wasn't a clear explanation.

 

Thanks,
Oh i see, so it is probably getting too hot and giving the wrong reading.
Even still I dont think it is displaying the AFR at all.
In the options for the lambda sensor there is a cell where you put in a Calibration Value which is supposed to be an integer. What is that and where do you find it?

Does anyone have any experience with the V500 that could help?

I cant believe wolf dont give proper instructions with this. Unless Im missing something.

Thanks

 

I'll take a look in the v500 manual online if there is one and post back in a few.

 

The LSM-11 is supposedly the only sensor that WILL work with the V4. However, it is not a true wideband sensor. If I recall correctly it is a 3 wire (heater and signal). I do not recommend tuning off one of these. They are referred to as "wide-range" o2 sensors. If you look at the specs for one of these you will see they are not suited for tuning rich running boosted rotaries =]



My recommendation is this. Find a nice wideband kit with decent inputs/outputs and software. Use that to drive the wideband sensor. From there you can feed whatever output signal type you want to the wolf. A lot of the units actually have a simulated LSM-11 output.

If it still wont work right with the wolf, just run RPM/boost signal to your wideband unit and datalog with that.

I use one of the units from wbo2.com (techedge) with great success. I use their software tewblog for datalogging and then I do my calculations and tune the wolf.

 

This is from the wolf manual, which doesn't quite make sense to me. I think they're doing bullshit support for these sensors since the heaters need to be controlled properly and they're not doing it. Anyway, my $0.02 is use a proper controller and just calibrate the wolfs table to the controllers output.


Oxygen Sensor - Wide Band
There are two types of Oxygen Sensor, Narrow Band and Wide Band. For closed loop control when using a catalytic converter, you should use a Narrow Band Oxygen Sensor. Most oxygen sensors in modern cars using unleaded petrol are compatible with the Wolf V500 ECU

The Wideband Oxygen Sensor compatible with the Wolf V500 is the Bosch LSU4 or NTK L1H1.

The Air : Fuel Ratio is displayed on the Wolf V500 PC Software. The displayed range is from 9.8 : 1 to 23.6 : 1.

This sensor, combined with the Wolf V500, can show you accurate Air : Fuel Ratios from very rich, to very lean conditions. These sensors have a limited life, and this is greatly reduced if used with lead fuels. It is not recommend that you leave the Wideband sensor in your exhaust system when you are not using it to monitor the Air : Fuel Ratio.

Description
Pin Allocation
Wire Colour

LSU 4 Oxygen Sensor Input
A31
Green/Black

LSU 4 Signal Ground
A32
Green/Yellow

LSU 4 Oxygen Sensor Pump Output A33 Green/Red

 

Thanks,

I think I have those three wires correct. Its just the heater control that Im not sure how to use. If you look in the manual under ecu installation and look at the first page of the Wiring diagrams it says
"Note 1: The O2 Sensor Heater Control wire can be wired to Aux LS3 for PWM heater control."

Does that mean its going to do it automatically as soon as you plug it in or does it have to be programmed?

If you look at the software im not sure exactly how you would do it, it can be used as an input or output, how would you set it up?

I dont want to buy a controller, Ive already spent 2 grand on it and it should be able to control the sensor by itself, theres no point spending another few hundred. I just wish they had some better support.


thanks

 

This is the main problem with Wolf documentation important detail like this is missing. I don't have experience with V500's but My best guess is that when you select the lsu4 and go to LS3 you may find a new addition to the List "PWM heater control" in the dropdown list while connected to the ECU. I hope!!!

Cheers
Michael Smith

 

I'm sorry to tell you, but what you don’t know is Good ol wolf decide they would ship the new V500 without the wide band circuit hooked up. Although they neglected to tell anyone this! It is still being advertised as a wideband capable unit, it dose not work!!!! I have a V500 and have talked to them several times. They say the circuit was not ready or accurate enough to ship turned on. So we are stuck
With a lie we can do nothing about.

 

If thats true i would be furious if i forked out and bought one. I would be contacting the department of fair trading

 

Yeah at least they could allow an aftermarket sensor input from 0-5v and convert it to AFR to data log. I can only seem to log voltage so I have to convert it, im using AEM wideband display kit, its very nice.

 

wideband doesn't work. also bought lsu4 wired it up and tried all possible ways in the aux menu, still doesn't work. so i bought innovate lma3 to datalog. still like WOLF though.

 

I have just been told from someone that recently purchased a v500 that he was informed by wolf that the wideband circuitry isn't finished yet but once it is they will upgrade it for free (as they should). So at least they are doing something about it.

 

the problem being you guys in the states have to pay to send it back here to Australia and that sucks, it would be great if Wolf sent you guys a prepaid courier bag. Thats my opinion after all you bought the V500 in good faith from the advertising including lsu4 Wideband support.

Cheers
Michael Smith

 

I was told it's just a software thing and can be set up when they finish the software, and I was also told that it is nearly ready (a few weeks).
If that is true we won't have to send the units back we just have to download the new software.
Lets hope they finish it soon.

The latest software was released in November http://www.wolfems.com/component/opt...,28/Itemid,48/

 

any updates guys .

Thanks again for all the help you guys give us
rookies

Thanks

Va

 

No one knows yet although I would estimate about two more weeks

call them........ there # is....

01161397613161

good luck your gonna need it

 

Well so much for a few weeks. More like a few months.

Seriously just buy an AEM display wideband kit or similar from ebay (new) and just feed the signal into the wolf to log and tune it. The AEM wideband kit is stylish and in my opinion fantastic, its still going strong and I glance at it now and then to find holes in my map that I go and fix.
Even if it comes out next week you're still going to need a display if you want to tune your car so you might as well get one that controls the sensor properly too. IF the wolf ever gets fixed, it won't matter because your setup will already work and you'll have a display and a tuned car.
I've got my mx5 tuned up quite nicely now all thanks to this little aem display unit. Who'd have guessed more than half a year after buying the ecu I would still be waiting for wolf to actually make it work.

Happy tuning.

Gerard

 

Hi there my first post here,
My name is Damian and I am from Sydney, Australia.

Although I don’t have an RX-7 (Wish I did) I stumbled upon this post when ‘Googling’ the Wolf V500.
I too have a Wolf V500 and was stung by the advertised features not being there.
I have had a Wolf V500 since the time they first came out.

I have a Suzuki Baleno 1.6 hatchback by the way (ok stop laughing)
It has been turbo charged Garrett T25, MY03/04 WRX Injectors and the list of mods is never ending.

Due to MANY problems with the turbo install and clutch etc… It has been undergoing a major rebuild for the last 8 months as funds allow. (Engine overhaul with forged JE pistons, Pauter billet rods, Walbro fuel pump etc.)
Pictures of the car and my progress etc are here.
http://www.untubbed.com/pics/index.php?cat=10007

After constantly baddgering them for close to a year I sent my Wolf V500 back a few months back and they did a firmware upgrade and a Software upgrade (5.00.75) free of charge.
They also provided a Tech Edge 2J1 WB O2 unit free of charge after my insistence.

http://wbo2.com/2j/default.htm

Their solution is now to use a Tech Edge Unit. The Output of the Tech Edge Unit is an input into the Wolf V500 that’s about it… So the Wolf does none of the O2 sensor heating / calibration.

That’s about it… I too have found Wolfs service to be quite poor but I believe they have had a shake up recently and a change of staff etc.

The advertised security feature is another issue...

My little car and its motor will be going back together very soon.
I will update here if people are at all interested.

Cheers,
Damian

 

lol i doubt they are going to be handing out 2J1 WB's to everyone but i think it should be worth a shot to try. I can see small claims court for ppl thinking they are buying something with wideband support and it doesn't. Who are wolf trying to kid??