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-   -   Diagnostics Tool Demo Day result and feedback (https://www.the75andztclub.co.uk/forum/showthread.php?t=186808)

pscan.eu 16th June 2014 15:32

Quote:

Originally Posted by suzublu (Post 1707410)

Yes I already saw those.
In fact I have already put them into my software. Basically if I know a specific Rover code I display that, if I don't know it then it defaults to that list with a warning saying J1979 next to it so that you know that it did that.

The problem is that at the top of that thread it says "these are the DTC Generic fault codes"

i.e. they are not Rover specific.

HenryD 16th June 2014 15:42

Quote:

Originally Posted by pscan.eu (Post 1707424)
Yes I already saw those.
In fact I have already put them into my software. Basically if I know a specific Rover code I display that, if I don't know it then it defaults to that list with a warning saying J1979 next to it so that you know that it did that.

The problem is that at the top of that thread it says "these are the DTC Generic fault codes"

i.e. they are not Rover specific.

Just had a look on autodata

P1520 camshaft position(cmp)actuator control,engine oil temp sensor circuit malfunction

perhaps to do with the vvt engined K's??

pscan.eu 16th June 2014 15:47

presumably the "oil temperature" parameter in live data would be out of wack if that error code is really meaning that?

http://www.pscan.eu/images/mems3livedata1.jpg

Pistonbroke666 16th June 2014 16:17

Here's a thread on this site relating to that code and it's nothingness for our cars... click

BigRuss 17th June 2014 20:21

Yes every single 1.8 and 1.8T throws up P1520 is an irrelevant fault, I'd be more concerned if it wasn't there ;)

Russ

pscan.eu 18th June 2014 22:35

Someone on here commented on the lack of a Rover 75 in the video on the Kickstarter site.

I did one tonight (badly) of Rob's ZT. I had to hold the phone with one hand and operate the laptop with the other. He was working on his MGF.

Anyway it's here

http://youtu.be/3u1co6Ukrqs

The shenanigans with the ABS live data is because it won't let you see more than four parameters at a time.
I think that this is a limitation of the ECU rather than my software, but only the T4 guys will know that for sure.

The refresh rate for the diesel engine starts to slow down as I select everything because that's sort of how it works.
If you only select one thing it can update it quite quickly but as the software has to poll the ECU for more and more parameters it takes longer to get through them all. It's just a limitation of the bus speed of the K line.

Phil-T4 19th June 2014 06:48

You need to work on the ABS then as the T4 and my software doesn't have any problems displaying the live data, think its 6 shown on the overview page, you need a quick refresh when on a road test to see each wheel speed correctly.

The T4 only displays 16 parameters on the DDE main overview page so that could be the limit for successful real time data, maybe you need to limit the number of parameters that can be selected as again, slow update times on live data is of no use to spot intermittent glitches.

pscan.eu 19th June 2014 07:28

In the video the update time for the ABS looks terrible, but it is isn't. The reason why it looks so bad is that I keep selecting / deselecting parameters. If you select four and then leave it alone you get a delay for a second or so while it sets it up and then after that you get a useable refresh rate.

Unfortunately I couldn't drive Robs car and video the laptop at the same time.

For all of the other ECUs you can select as many or as few as you like. If you select only one or two it will refresh really fast, or if you just want to look at everything you can do that too but it will be slower. It's up to the user.


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