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cool, let me know how it turns out. Bob

thats the basic idea. On lots of cars, there is a connection on the AFM that activates the fuel pump. The pro can handle this also, but may need a relay depending on the vehicle configuration. Having the pro then gives you datalogging capability along with the tuning functions. Bob

If you are asking me, the Gen-2 can be run either way. Bob

GM MAF C +12v B Ground A MAF signal Bob

step thru the config and setting menus and post what they are set to. The basic set up is to set the MAF in to match the MAF, and the MAF out to match the vehicle. Set the rest of the engine parameters based on the vehicle (6 cylinders, displacement, etc...) The rest of the settings should...

the wideband sensor and controller can't be Y'ed or paralleled. I need to look at the documentation, but I'm afraid there is no easy answer on this one.

If you want to use the AFM, then you have to snip the KS wire, so that the AFM signal goes to the pro, and the pro's output goes to the ECU. For speed density, you can just tap the KS wire and unplug the AFM. Belkin adapters have had issues with reprogramming the unit, but log ok. I...

The wideband needs a good ground, the engine is the best place for it. Body grounds are not a good place to ground anything. So the white and blue go there. The Purple wire from the pro goes here as it is a ground "sensing" wire and needs to connect to the wideband ground for best accuracy...

Yes, there is another bug in TunerPro 4, it sets the baud rate incorrectly in the ADS. If you edit the ADS, you then need to close TP, open the ADS file in Notepad (or equivalent) and change the baud rate to 19200. But the ADS does nothing to control the floating yellow box. Tunerpro...

TunerPro 4 has a bug in the data tracing stuff. If you want to change the user axes. You have to do it in a couple spots so that the data tracing will work. Once you set the axis settings, and select SD User Axis for the airflow source, you need to F2 on the VE table and set the axis...

this is an example of the user axes.

Post up your current files. The user axis function for the VE table is straightforward to enable. The Table is the same, but by selecting SD User Axis for the airflow mode, the alternate axes are used. I will tweak your files if you post them up. Grim is running the user axes, he can post...

Hi, I am working on a 2-step for the 7M engines which may be just the thing for your 1JZ. Lets discuss. 2 steps are used for a couple things. 1, when running nitrous or alcohol injection, hitting the factory fuel cut can cause major leanout, blowing headgaskets or worse. 2, when...

Ok, cool. TP5 doesn't have the baud rate issue, but its a totally different animal (ads and xdf files don't transfer over ), so lets tackle one project at a time. B

The aux input is "10 bit", so it has a resolution of about 5mv. Since the input is 'single ended', i.e. it shares the ground with other circuits, there is a small amount of noise mixed in. The number of digits displayed in TP is set in the ADS file, but if editing the ADS file, you need...

if we knew the voltage during warmup we could tell if the ecu is changing pullup resistors in the middle somewhere. If you log it, make sure you have disabled the aux2 pullup. Bob

so you are connecting a resistor in line with the coolant sensor? cool. On the Buick, the coolant sensor is used with selectable pullup resistors, so there was not a 1:1 relationship between voltage and coolant temp. One experiment on the Supra would be to watch the coolant sensor...

how is the switch wired? We could probably set the pro up to do it for you. B

I am familiar with out of date mirrors..... :) Version 5.2x is done (we are even up to 5.22) but the documentation is lagging somewhat. A friend has helped update the manual some, its almost done. Your guide should help a lot, lets get it up to 5.2x. drop me an email so we can take it...

that site seems to be down, is it someplace else? If someone has the files I will host it. Bob