ALDL issue:
I recently bought a Moates ALDU1 cable to replace my old cable. I was trying to hook it up last night leaving it in the open position as that's what I read the 730s need, the cable was found by my laptop but I couldn't get any data to run to TunerPro RT. I tried the 10k position as well with no success. I'm running Version 5 with the Super AUJP adx file that JPSS created and the timer is 1msec and everything looks in place per Moates website and a few resources here.

Anyone got any ideas on this?

Secondly,
I have a tuning issue. My Racetronix 48 lb/hr injectors are getting the best of me. I was running lucas 38s before a latest series of engine upgrades and found to be running lean around 4500rpms with the VE tables maxed out. I now have the 48s and have a lean issue at 2500....I've upgraded my fuel pump to the Walbro two years ago and recently put on the hotwire kit to make sure I was good to go. Could this be a fuel filter restriction, ground problem that might be loose or not making connection, or inside the tune itself. Right now, everything below 2200 is perfect but after that it goes 15.5ish lean and pops through the exhaust.

The only thing I see is the low offset table might not be scaled correctly but how much of that table needs to be modified or is actually used for mid to upper rpm fueling? PE is set to the calculator at 12.5:1 and open loop command is also set to 12.5:1. I'm running the Super AUJP 8D so maxing PW shouldn't be an issue but won't know for sure until I can datalog it.

Any help on this guys would be appreciated.

 

Anyone?

 

Try adjusting the ADX to have a 10 to 20 ms delay in the macro.
The 1 ms may not be enough in all cases.
I think I am at 7 on one laptop and 12 on another.
Jp

 

10-4...will try that tomorrow and will report back!

 

Ok, did a few things. First thing I did was I found a thread about TBI to TPI swap requiring the orange wire to be moved from location E to M. No change. Kept the wire there and did the 10ms, 20ms, 30ms, 40ms, and 50ms....no change. Haven't tried anything else....yet...got frustrated with it.

Any other advice on the Datalogging....

Fueling so far isn't better...I unhooked the vacuum hookup to the regulator and ran without a fuel filter to see if it was a volume problem, no change. Put a breather on it with the catch can, no real change according to wideband.

Could relocating the battery to the bed of the truck or trunk of a car cause this issue?

 

Anyone? Also, could windows 7 be the problem?

 

Dont use Tunerpro. Use TTS Datamaster and set it up to use COM3. Also, make sure your laptop is set up to use COM3 in your Bios. If you have the 730 ECM, measure the voltage on the data serial line. IF you don't have close to 5V then your ECM is bad even though your car runs good.

 

did u measure the voltage at your serial data line (orange wire)?

 

Ok, how do I measure voltage of the moates aldl to usb converter? Set it to open on the switch and ground the positive with an ohm meter correct.

 

Negative. So i need to put a volt meter on the orange wire?

 

Also, computer does receive cable as com3.

 

Put a voltmeter (red probe) to pin M (the orange wire) or whatever pin your car uses. Then negative (black probe) to the cars body or whatever pin is negative on your car (its either pin A or Pin B on your ALDL connector) I don't really remember.

 

Ok, so you say your pc is using COM3 under "device Manager". Now check your bios and see what COM number is set up there. Forget Tunerpro for now. Try using something else to connect first like Winaldl or TTS Datamaster.

 

Yes, device manager says that. What is bios?

 

I would test to see if you have 5v first on the serial data line. Check that and report the voltage back to us.

 

Test on the serial data line came back 4.94 volts so I'm good there.

 

Ok, now what cable are you using? and what drivers? Have you tried connecting with any program other than TUnerpro yet?

 

Is your cable usb or serial style?

 

I'm using te moates ald1 cable that is a usb connecter. Megative, have not tried that yet. Looked up datamaster and didnt see a free copy to try to see if it works before buying the $120 software. Havent had a chance to look up winaldl yet.
Usb

 

Worked on it a bit more...no success on the Aldl.

As far as the injectors, thinking about swapping the 38s back in it and raise fuel psi up to 58 and see if that helps that situation.

 

A 48 lb injector installed at 44 psi will work at 80% duty cycle for a 600 hp motor. You must have a really pumped 383?
A USB connection should not require a COM assigned address.

Download the $8D Datamaster here:
http://www.ttspowersystems.com/DataM...ownloads2.html
You may use it for free for the first 20 datalogs. See the page I built for its use here:
http://www.scotthansen.net/data.html
Make sure when playing back you open the Histogram before you press start. The will give you a BLM average for each cell.

 

I went a little bit big on it...I figured they would be running closer to 72-75% DC as I would like to run a D1SC on it one day at the 48s should support low boost.

 

Ok, i downloaded datamasters last night. Have not messed with it yet. Also found out that my old injectors we lucas 35.9 lb injectors rated at 39 psi which would make them 38 @ 43.5 psi. I'm considering swapping these back in and upping psi to 58 which would make them flow 44 lbs.

However, I'm also thinking this is a flow issue. I'm running -6an line but wonder if the stock fuel filter is maxed out? How much can the stock fuel filter flow?

 

SUper_AUJP has it's own ADX with values your not going to find in Data Mater, there's no way to work on it, you get what you pay for and can't change a thing.

Cables are easy to install for TunerPro.

Plug your cable into laptop, no need for vehicle, and go to Control Panel, Device Manager, find the com port (get number) and check driver. Should be:
Driver FTDI
Date 4/10/2012
Version 2.8.24.0

Do the same for the USB Serial Converter.

Open TunerPro RT and go to Tools, Preferences, Data Acquisisition/Emulation, Choose Use Plug in, configure plug in and make sure it is on the correct Comm port, Test for Valid Interface using settings... with cable plugged in.

So with cable plugged in you found it in device manager as Com port 3, drivers are correct, TunerPro is set to Comm 3 and tests good? Don't worry it does not test good connected to vehicle.

With TunerPro open right click on tool bar at top and check them all, these icons are easier to learn then all the others under like Acqusistion, Tools etc...

Connect cable to vehicle, vehicle running, TunerPro running and Acqusition Start/Stop Data scan or click on the 2 arrows icon up top, also click on the folder icon or Acqusistion Show Data Lists and data should show... this is how I do it and then click record, when you stop recording it will prompt you to save the file with a name.

Becasue you tried these other programs sometimes that COM port to cable seems to be locked?

*LAST RESORT BUT NOT DANGEROUS!*
Or uninstall all USB in device manager and restart, let it install what's on laptop, then first thing to plug in is cable and make sure the above drivers are installed.
*End last resort for drivers*

 

Just an update. Checked everything with my usb cables. All is good there. I also changed my injectors back to my lucas and upped the fuel psi to 58 psi to make them flow 44 lbs and so far, the trucks 100x better.

 

I have a USB cable and it will not work either with Tuner Pro RT. Works fine with ALDL.