Canbus wiring - Page 2 - Ducati Supersport 939 Forum
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post #11 of 28 (permalink) Old 11-11-2019, 10:36 AM
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Sorry @amoslws , no real knowledge of it other than a basic understanding of what it's about. It seemed too complex to get involved with unless I had a need. There seems to be quite a lot of stuff available on line that might help you.

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post #12 of 28 (permalink) Old 11-12-2019, 03:30 PM
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@amoslws I found this website with advice on making connections to CANbus systems. https://www.beijer.com/en/news/what-...h-the-can-bus/
Basically, keep the length of any connecting wires as short as possible, solder joints but use a gas soldering iron to prevent stray induced currents from corrupting the CANbus system, never work on an active system.

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post #13 of 28 (permalink) Old 11-12-2019, 04:00 PM Thread Starter
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@amoslws I found this website with advice on making connections to CANbus systems. https://www.beijer.com/en/news/what-...h-the-can-bus/
Basically, keep the length of any connecting wires as short as possible, solder joints but use a gas soldering iron to prevent stray induced currents from corrupting the CANbus system, never work on an active system.
Thanks @Derek
I've read or heard 30cm max from the host.
I'll be placing the IMU in front of the Blackbox where the DDS cable lays. Then I'll connect directly onto the canbus lines at the black box connector. I'll be disconnecting all ecu's and battery before doing any work.
Maybe you have heard it yourself, when disconnecting the battery a 30 or so seconds later one can hear a relay unlatch. That's my cue to know the system has discharged.
I've now ordered the 2017 monster 1200S ecu's (ABS, IMU, main ECU and Blackbox) all from the same bike so they should be married. Later I'll install the monster 1200 instrument panel so I can get all the menu functions on the display. Unfortunately that bike was written off and as usual the headlight and dash seem to take the brunt of most bike accidents.

I tried learning canbus development this past few days and to be honest that stuff is the modern dark art. However it's something I need to learn because frankly it's the future of our vehicles, homes, and industrial plants etc.

Last edited by amoslws; 11-12-2019 at 04:04 PM.
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post #14 of 28 (permalink) Old 11-13-2019, 06:17 AM
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I thought you must be up to something like that. I guess that if you compare the wiring diagrams for both bikes you should be able to add in the section required to match them. It's as well that all the components are from the same bike, I was wondering how you were going to fit a BBS unit that was already married to another bike?
I know what you mean about modern dark art. I learned my electronics near 50 years ago when nearly everything was analogue and transistors were the current technology with integrated circuits new on the market. I spent 20 odd years maintaining broadcast spec video equipment and edit suites then it very quickly turned digital and computer based. I just had to learn new technology as it happened, but with CANbus I'm happy to ignore it at the moment. There's a lot to learn and I just haven't got the incentive just now - but that could change

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post #15 of 28 (permalink) Old 11-13-2019, 08:51 AM Thread Starter
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I thought you must be up to something like that. I guess that if you compare the wiring diagrams for both bikes you should be able to add in the section required to match them. It's as well that all the components are from the same bike, I was wondering how you were going to fit a BBS unit that was already married to another bike?
I know what you mean about modern dark art. I learned my electronics near 50 years ago when nearly everything was analogue and transistors were the current technology with integrated circuits new on the market. I spent 20 odd years maintaining broadcast spec video equipment and edit suites then it very quickly turned digital and computer based. I just had to learn new technology as it happened, but with CANbus I'm happy to ignore it at the moment. There's a lot to learn and I just haven't got the incentive just now - but that could change
Well here's a bit of luck, the Bluetooth connector in front of the blackbox has the very same terminals as the IMU, only a different connector and order. It's like it was meant to happen, right in the position I intend placing the IMU.
Seems I'll have to only pick up the red/black key sense, because the Bluetooth is a feature requiring to turned on. Nevertheless the canbus is there and that was my concern.

Last edited by amoslws; 11-13-2019 at 09:18 AM.
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post #16 of 28 (permalink) Old 11-13-2019, 10:56 AM
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Now that really is a stroke of luck. I've downloaded the 2017 M1200 wiring diagram so that I can see what you are getting up to

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post #17 of 28 (permalink) Old 11-13-2019, 11:38 AM
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I've had a quick look and can see that the BBS and ABS unit wiring is the same for both bikes. The ECU is nearly the same but with some different pins for the gear sensor and DQS, but the dash has an awful lot of pins swapped around. That's going to keep you busy

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post #18 of 28 (permalink) Old 11-13-2019, 11:55 AM Thread Starter
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I've had a quick look and can see that the BBS and ABS unit wiring is the same for both bikes. The ECU is nearly the same but with some different pins for the gear sensor and DQS, but the dash has an awful lot of pins swapped around. That's going to keep you busy
Yup there's very little difference regarding 'Drive' ecus but the dash is going to be a PITA, the colour codes and are the same though. I think I counted 6 terminals that don't need changing on the dash. Until I have it I won't know but I expect I may need to make a bracket, maybe the mounting holes have the same symmetry, don't know yet. I have checked all colours and sensors, been busy with it for two weeks now.

The 2017 dash is semi monochrome 40611382c but the latest MY 2020 40611385c is full on colour with the same pin layout.

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post #19 of 28 (permalink) Old 11-16-2019, 04:26 AM Thread Starter
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There was some talk about the dash upgrade in 2017 but those members enthusiasm seems to have fizzled away.
Going with the monster full colour dash the pin locations are different to the SS.
I'm not one for hacking a bikes wire harness so I've decided to build an intercept harness (50mm) and the pins will be lined up accordingly.

The 34 way 4 row Tyco Amp connectors needed are 4-1437290-1 and 2-644232-3. Terminals are 3-1447221-4. The 34 way connector already has the superseal built into the connector.

Perhaps this info can save someone a fair bit of effort trying to determine what the dash connectors are should they decide to modernise their SS instruments panel.
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post #20 of 28 (permalink) Old 11-16-2019, 02:50 PM Thread Starter
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There was some talk about the dash upgrade in 2017 but those members enthusiasm seems to have fizzled away.
Going with the monster full colour dash the pin locations are different to the SS.
I'm not one for hacking a bikes wire harness so I've decided to build an intercept harness (50mm) and the pins will be lined up accordingly.

The 34 way 4 row Tyco Amp connectors needed are 4-1437290-1 and 2-644232-3. Terminals are 3-1447221-4. The 34 way connector already has the superseal built into the connector.

Perhaps this info can save someone a fair bit of effort trying to determine what the dash connectors are should they decide to modernise their SS instruments panel.
Here are a few pics from my SS.
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Last edited by amoslws; 11-16-2019 at 02:52 PM.
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