CANBus Triple: Let the IMA-CAN hacking begin... - Honda CRZ Forum: Honda CR-Z Hybrid Car Forums
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post #1 of 25 (permalink) Old 09-23-2014, 11:23 AM Thread Starter
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CANBus Triple: Let the IMA-CAN hacking begin...

Ok, just found out about this a few days ago and thought I'd share. The CANBus Triple is a programmable device that interfaces with an automotive CAN network. It has 3 pairs of CAN connections which allows you to not only listen and send messages out to the network, it can also isolate devices on the network as well. This lets you intercept certain messages on the network, modify them and resend a forged message, all while letting everything else filter through. Something like this should blow the doors open on some of the things that can be done with on modern computer-laden cars. A few CR-Z specific examples that I can think of:

- Speed signals going to the IMA controller may be "corrected" for a swapped final drive and the IMA can start working properly again.

- It may also be possible to fake the IMA controller all together and keep the gauge cluster happy when doing a K swap...

- Expanding on the engine swap idea, things like the battery charge indicator and IMA assist gauge may be hacked to display other things, even data from external devices provided it can interface with the CANBus Triple.

Anyways, you guys can check it out for yourselves and get some ideas going... Here's the website:

CANBus Triple - The car hacking platform

It's also in the final four days of it's Kickstarter deadline. If you want to get in on that, NOW is the time. Backers throwing in $75 or more get a CANBus Triple from the first production run. I'm going for the 2 CANBus Triple package myself... Check it out here:

CANBus Triple - the car hacking platform by Derek Kuschel - Kickstarter

2011 Honda CR-Z 6MT PWP EX NAV - JR Rotrex Supercharged
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post #2 of 25 (permalink) Old 09-23-2014, 11:46 AM
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Is this something that those of us without savant syndrome could figure out how to use?

Originally Posted by meatguy87 View Post
Art, I think your a really hot guy.... Like super cute.
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post #3 of 25 (permalink) Old 09-23-2014, 12:44 PM
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Yeah, once the way is paved for the crz anyone with a little technical knowledge and motivation could do it. Check out this live dyno from an s2000, using a similar tool for interfacing the can bus:

The first problem to overcome is deciphering the data which can be time consuming. I'm going to a computer security convention in Louisville this weekend; reverse engineering is a hobby for some of these guys so I'll try to make some new friends.
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post #4 of 25 (permalink) Old 09-23-2014, 12:56 PM
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Hmm wonder if we can alter the ima system overall more output. N stuff like that..Tune it per say.


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post #5 of 25 (permalink) Old 09-23-2014, 01:20 PM
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Originally Posted by Triptych View Post
The first problem to overcome is deciphering the data which can be time consuming.
From what I've read this was a hurdle for some of the early first gen Insight mods. Say you're trying to grab battery state of charge- does the car send a percentage value? Battery voltage? Number of bars on the gauge cluster? In a flood of real time data it's enormously difficult to pick out even a known value, let alone an unknown one.

That being said I'd love to see some more work done on these kinds of things. I made my own little scangauge-type device with an Arduino but I can only access the basic OBD2 identifiers. Judging by the service manual it's possible to access the fast CAN IMA line from the OBD2 port, but I haven't had any success.
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post #6 of 25 (permalink) Old 09-26-2014, 07:39 AM
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post #7 of 25 (permalink) Old 03-18-2015, 02:51 PM
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I just received an email that this is available now:
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post #8 of 25 (permalink) Old 03-18-2015, 02:59 PM
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Oh man this is getting way exciting.
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post #9 of 25 (permalink) Old 03-18-2015, 10:00 PM
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i like the idea of fixing the aftermarket final drive goof. how about something like allowing more usage of the battery than current limits allow such as a little more charge or drain, and how about getting a little more juice from the battery pack making sonething like the s+ more worthwhile?
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post #10 of 25 (permalink) Old 03-19-2015, 12:22 AM
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Okay, someone be the test rat now. Please and thank you.
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