Nanocom Evolution - can I log peak readings?

[twr7cx]

I'm trying to sort out some issues with my TD5 engine. What I'm wanting to do with my just-bought-second-hand Nanocom Evolution is to connect it and drive around and then see the peak boost reading reached (and then adjust the turbo wastegate actuator rod as required). But what I can't see is how I do this, any ideas please?

[Fluids]

On my Nano 1 I use the "Record Fueling" section. Start recording and go for a drive, then load the resultant file from the Nanocom into the laptop, and open it with the Graphic Viewer .... shows all recorded parameters as a time vs value graph, that can be steeped through at 1sec intervals (road speed, eng' revs, fuel temp. air temp. inlet press', boost press', etc, etc ... )

I don't know if the Nano Evo can do this ? .... hang on .... the Nano Evo unlock pdf I have shows an Input Fuelling block .... so I assume it will do he same thing (and record the results to the SD card ?) Pop the SD into the PC ...

Does the Graphic Viewer work with Nano Evo files ??

[peter5111]

You want the live engine instruments screen active. I have mine setup to boot to the instruments automatically so I don't remember exactly how to get to them off the top of my head.

Then enable logging and go for a drive. Remember to STOP logging before you turn the engine off or the Evo does not actually save the data.

DO NOT pull out the SD card with the Evo powered up or you will corrupt it. Safest method is to pull the ODBII plug out before you remove the SD card.

The datacapture is in CSV (comma separated variable) formatting, ie, it is plain text with commas to break up each number. Import the CSV data into excel and sort by highest value in the boost column.

The other (simpler) way is to use the peak capture buttons on the live engine instruments screen, but I haven't had much of a play with it. I did have a quick look early on but it didn't seem to work properly. Hence I prefer to use data captures.

Pete

[twr7cx]

Excellent, thank you. Now I just need to find this Live Instruments Screen.

[Basil135]

What Peter said.

The log is recorded about every second or so, meaning that on a long drive, you will have a lot of data to process.

I will be interested to see if you have any weird peaks in any of your data. I do on occasion, such as RPM @ 6500, Temp @ 760, Speed @280 km/h....

If, while in instrument mode, you push the button that shows a climbing graph, it will give you the max of all the levels. Likewise, the falling graph will give you the minimums. To reset these, push the red X.

[peter5111]

ok, you are looking for the TD5INST application.

Boot the Evo, then NANOCOM\APPLICATIONS\TD5INST

Personally, I have gone into the setup and configured my Evo to boot into the TD5INST application on bootup for a couple of reasons..
-The TD5INST app is the easiest one to read for monitoring actual engine water temps.
-The TD5INST app has an autoshutdown feature when it looses communication with the ECU. In a nutshell this means you don't have to remember to turn off the Evo when you are done driving. Saving drain on the battery and possibly reducing potential for corrupting the Evo's file system through not performing orderly shutdowns.

The downside to the auto shutdown is if you are data logging then you must remember to manually close the log file before stopping the engine otherwise you loose the data. I believe BBS is fixing this in the next revision of firmware. This is my understanding, NOT fact. So don't complain to Colin if it get's missed on the next firmware revision :)



On the subject of logging data, I am curious what people are seeing for typical MAF readings? I think I may have an intermittent MAF problem but I am getting no codes, just a TRS chipped engine that is gutless 90% of the time but shows occasional surges of brilliance. Usually gives surging of good power from cold, once up in the rev range. But gutless when warm.
Sorry for the hijack, will move to another thread if there is enough feedback to warrant it.

Pete

[mools]

Pete try this thread...

BAS TD5 Boost Box vs Alive Tuning TD5 Turbo Booster, or a thread I started the other day Td5 Air flow issues, I will post the values from my MAF on there and also hopefully someone else will post some suggestions for my problem.

I had a similar, though sounded less severe, problem with my Td5. Try disconnecting the MAF, ECU will use a default airflow value if you have a faulty MAF then that'll tell you. I think at tick over you should get around 50 kg/hr (although EVO says g/hr) as an approximate value. If not suspect MAF is faulty. I just read that MAF reading max out at 650, I think.

Checked your turbo and intercooler hoses for delamination?

Ian.

[twr7cx]

Thanks, I'll see what information I can find out tomorrow. My first priority is to see what boost level it is running.

[OffTrack]

There is a very useful post by JustinC which gives typical MAF airflow readings, and a method to test:

http://www.aulro.com/afvb/technical-chatter/94808-td5-maf-kg-hr-numbers.html

[twr7cx]

There is a very useful post by JustinC which gives typical MAF airflow readings, and a method to test:

http://www.aulro.com/afvb/technical-chatter/94808-td5-maf-kg-hr-numbers.html

The tests given in the thread there are looking at the reverse of what we are experiencing. They're focusing on MAF's that are getting lower readings than what they should. The problem that a few of us seem to be having is rather the MAF reading exceeding the maximum value that the MAF can.

[OffTrack]

I was actually addressing Mools question. While the test procedure doesn't specifically address your precise situation it should give you some useful information about how the MAF/ECU is behaving.

Run the tests with the nanocom hooked up and logging. If there is a problem with the ECU rolling over once it exceeds a maximum value you'll see this reflected in the Nanocom logging.

[twr7cx]

I just realised that because I have an Alive Tuning Booster Box installed, there's a good chance that the Nanocom Evolution can't actually tell me my peak boost pressure as it gets it's signal from the ECU and the Booster Box is altering the signal that the ECU is receiving... Going to tap a Specometer Boost gauge in today and see what that tells me.