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While Kawasaki do document some of the CAN-Bus data in their "FI Calibration Tool Instruction Manual" (what a curious place to put it) they most certainly do not publish all of the information and some of the info in this manual just doesn't seem correct.

Errors or What?

Some of the documented packet data just doesn't match reality (or I'm totally misunderstanding things).

Here are the packets/data bits I'm confused about:

Mysterious Packets?

As well as the packets documented by Kawasaki, there are a whole load of other, possibly, interesting packets flying around on the CAN-Bus.

Looking at a ~10 minute sample, I get the following packets sorted by the number of times they're seen on the bus (packets of unknown function are shown with a sample of the Packet ID, the Packet length and the data bytes):

CountPacket IDWhat is it?
50505 0x17CBosch IMU?
50505 0x178Bosch IMU?
50505 0x174Bosch IMU?
46314 0x112Unknown
0x112,2,08,DC,00,00,00,00,00,00
0x112,2,08,E2,00,00,00,00,00,00
0x112,2,08,E9,00,00,00,00,00,00
0x112,2,08,F4,00,00,00,00,00,00
0x112,2,08,FC,00,00,00,00,00,00
0x112,2,09,00,00,00,00,00,00,00
0x112,2,09,03,00,00,00,00,00,00
0x112,2,09,05,00,00,00,00,00,00
0x112,2,09,02,00,00,00,00,00,00
43361 0x100Kawasaki Doc: RPM
24776 0x111Unknown
0x111,2,82,A9,00,00,00,00,00,00
0x111,2,82,AD,00,00,00,00,00,00
0x111,2,82,B1,00,00,00,00,00,00
0x111,2,82,B5,00,00,00,00,00,00
0x111,2,82,B9,00,00,00,00,00,00
0x111,2,82,BD,00,00,00,00,00,00
0x111,2,82,C1,00,00,00,00,00,00
0x111,2,82,C5,00,00,00,00,00,00
0x111,2,82,C9,00,00,00,00,00,00
24760 0x3E0Kawasaki Doc: Wheel Speeds, TRC and Anti-Wheelie
21013 0x3E2Kawasaki Doc: Grip, TPS
12710 0x764Unknown
0x764,3,02,21,08,00,00,00,00,00
0x764,3,02,21,05,00,00,00,00,00
0x764,3,02,21,5B,00,00,00,00,00
0x764,3,02,21,0C,00,00,00,00,00
0x764,3,02,21,04,00,00,00,00,00
0x764,3,02,21,8C,00,00,00,00,00
0x764,3,02,21,08,00,00,00,00,00
12710 0x746Unknown
0x746,8,03,61,04,1F,FF,FF,FF,FF
0x746,8,03,7F,21,12,FF,FF,FF,FF
0x746,8,04,61,08,03,24,FF,FF,FF
0x746,8,03,61,05,63,FF,FF,FF,FF
0x746,8,03,7F,21,12,FF,FF,FF,FF
0x746,8,03,61,0C,00,FF,FF,FF,FF
0x746,8,03,61,04,1F,FF,FF,FF,FF
6420 0x010Unknown
0x010,5,00,00,00,00,2A,00,00,00
0x010,5,00,00,00,00,3A,00,00,00
0x010,5,00,00,00,00,4A,00,00,00
0x010,5,00,00,00,00,5A,00,00,00
0x010,5,00,00,00,00,6A,00,00,00
0x010,5,00,00,00,00,7A,00,00,00

This seems to be a counter that goes from 0x0A to 0xFA and then around the loop again.
5007 0x125Unknown
0x125,2,02,A0,00,00,00,00,00,00
0x125,2,02,93,00,00,00,00,00,00
0x125,2,02,88,00,00,00,00,00,00
0x125,2,02,7F,00,00,00,00,00,00
0x125,2,02,73,00,00,00,00,00,00
0x125,2,02,6E,00,00,00,00,00,00
0x125,2,02,76,00,00,00,00,00,00
0x125,2,02,70,00,00,00,00,00,00
0x125,2,02,69,00,00,00,00,00,00
5007 0x125Unknown
0x125,2,02,3C,00,00,00,00,00,00
0x125,2,02,34,00,00,00,00,00,00
0x125,2,02,3B,00,00,00,00,00,00
0x125,2,02,27,00,00,00,00,00,00
0x125,2,02,2D,00,00,00,00,00,00
0x125,2,02,32,00,00,00,00,00,00
0x125,2,02,26,00,00,00,00,00,00
4808 0x3E1Kawasaki Doc: Battery
686 0x3E5Kawasaki Doc: Engine Brake
229 0x205Unknown
0x205,2,30,07,00,00,00,00,00,00
0x205,2,62,07,00,00,00,00,00,00
0x205,2,30,07,00,00,00,00,00,00
0x205,2,34,07,00,00,00,00,00,00
0x205,2,2D,07,00,00,00,00,00,00
0x205,2,2A,07,00,00,00,00,00,00
0x205,2,5C,07,00,00,00,00,00,00
120 0x120Kawasaki Doc: Temperatures
104 0x121Kawasaki Doc: Gear
51 0x222Kawasaki Doc: Modes (weird content though)
2 0x205Unknown
0x205,2,34,07,00,00,00,00,00,00
0x205,2,30,07,00,00,00,00,00,00
0x205,2,34,07,00,00,00,00,00,00
0x205,2,2D,07,00,00,00,00,00,00
0x205,2,2A,07,00,00,00,00,00,00
0x205,2,5C,07,00,00,00,00,00,00
0x205,2,62,07,00,00,00,00,00,00
0x205,2,30,07,00,00,00,00,00,00
0x205,2,34,07,00,00,00,00,00,00
2 0x050Unknown
0x050,5,00,00,00,00,FF,00,00,00
0x050,5,01,00,00,00,FF,00,00,00
0x050,5,00,00,00,00,FF,00,00,00
0x050,5,02,00,00,00,FF,00,00,00
0x050,5,00,00,00,00,FF,00,00,00
0x050,5,02,00,00,00,FF,00,00,00
1 0x3E4Kawasaki Doc: TRC and Wheelie Settings (weird data again)
1 0x225Unknown
0x225,1,08,00,00,00,00,00,00,00
1 0x385Unknown
0x385,5,00,00,24,08,04,00,00,00
1 0x270Unknown
0x270,1,10,00,00,00,00,00,00,00
1 0x225Unknown
0x225,1,08,00,00,00,00,00,00,00
1 0x105Unknown
0x105,2,00,00,00,00,00,00,00,00
1 0x050Unknown
0x050,5,00,00,00,00,FF,00,00,00
0x050,5,02,00,00,00,FF,00,00,00
0x050,5,00,00,00,00,FF,00,00,00
0x050,5,01,00,00,00,FF,00,00,00
0x050,5,00,00,00,00,06,00,00,00
0x050,5,00,00,00,00,8C,00,00,00
0x050,5,00,00,00,00,02,00,00,00
1 0x018Unknown
0x018,5,08,FF,00,FF,FF,00,00,00

As you can see from the above, there are 20 CAN-Bus packets that are not documented by Kawasaki. What are they?????

If you have any insights to the above mysteries, please do get in touch (russell@lls.lls.com).

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