Hello all! I installed a new ballenger afr500v2 w bosch lsu 4.9 to my datalogit. I wired up the power and ground to the radio power and ground behind the dash. The anolog output is in input 1 and i ran the analog ground straight to analog 2, per the instructions of the guy on the phone at Ballenger.
My question is, do i need to tie a ground into this analog ground wire in input 2? If so, does it need to be the same grounding location as the wideband?
the Instructions are kind of unclear compared to what I was told, and my wideband works fine. I put the settings in fcedit w values 9 and 16 and the watch map will show all 0s while operating.
thanks all to comment in advance

 

I have followed Xaviers (FCTweak) advice. He had me ground the wideband, AN-2 to the same ground(chassis) as the ECU. This to avoid noise on the wideband channel. Maybe ask him directly.

Take a screenshot of your polynomial values on FC edit. You might need to set it to what instructions say: Gasoline AFR (9:1-16:1) = 9.00 + Vout x 1.400. A value= 0, B-1.4 and C=9 is what I think its calling for. Below is mine for the AEM Wideband for reference, do NOT use my values. Just wanted to show you what the page looks like.

I would also highly suggest FC tweak.

 

Yep i already have fc tweak. Thats what I am trying to get it to work for... since its not recognizing wideband data. I will definitely do that grounding method. Heres the screenshots of the ballenger manual. While im not around ny fc edit, i included a screenshot online of someone's values of "9&22", whereas mine is "9&16". I did not set up that polynomial deal.

 

Could very well be the polynomial settings then is my guess. I had similar issues until I set that.

Also, if you have FC tweak, make sure to run all of your grounds to the same to avoid additional noise

 

Note that the Aux settings table and the polynomial settings are directly linked, that is, whether you change the table settings or the polynomial values, the end result is the same. Anyway, if you have enabled the Aux input, and entered 0v=9AFR, 5v=16AFR, and connected the AFR meter analogue output to Datalogit's AN1 & 2, you should NEVER get zeros throughout. That is usually indicative of a damaged A/D converter within the DL Box. Most of the DL boxes around are now quite old, and the chances of getting a defective used one is quite high. To confirm whether you have a damaged DL-box, get a voltmeter and make sure you see voltage readings across AN1 and AN2 in the range 0-5v. Then open the Monitor window on FC-Edit and check the voltages shown for AN1 and AN2. If they both show zero, the box is defective, and no change in settings or extra grounds will get it working.

If you need a reliable & modern PFC interface box, and get rid of all the awkward settings in FC-Edit, I highly recommend the new DL-340XB. You simply wire it up, select your AFR meter model from its built-in list, and start logging.

 

Well you ended up being right. My brand new datalogit is bad out of the box. Too bad i bought this before yours was out.. time to upgrade.



Unless this is acceptable... i just thought the one would be reading higher.