Member Since: 10 Mar 2013
Location: North Wilts
Posts: 225
TD5 - Onboard data via CANBUS
Thought I'd share this - it's been a bit of a long term project but it's not far off done now...
Click image to enlarge
I really wanted a rev counter but didn't have one - after looking at the prices for a proper one, I decided to repurpose a Canchecked MFD32 (https://www.canchecked.de/mfd32/) that I had left over from another project.
I thought it would be simple, as the TD5 is modern and supports OBD, right? Wrong... It's non standard, so the gauge wouldn't talk to it. Then I found out that the TD5 Auto ECU does support CAN.. So I procured one of those from ebay, re-flashed it with the manual map, along with a patch from the author of MEMSTools which enables additional CAN data. I then spent a fair amount of time figuring out the CAN messages to get the gauge to display them... So now it can display pretty much any of the live data a nanocom or similar can - RPM / speed / temp / fuel amounts / pressure / etc etc You can have multiple screens and swipe between them, set alarms, do all sorts. It's pretty neat
Once I figured that out, I 3d printed a mount to put it where the rev counter would go
Next steps are to look at external sensors to add more data - possibly oil temp and EGT
If you have a Puma, or V8 with a Megasquirt or similar you could probably wire it straight up, it'd be much more straightforwards..
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