I will play more over the weekend and post my results, but as I said, my idea is to resolve the format of messages sent to IKE and then programm a PIC that will read coolant temp, RPMs, Speed. I tried to connect Resler's interface to TM module pink wire (which is going to IKE) and got just some rubbish in NavCoder. Great ! Finally someone who's interested to play with IKE messages :) The messages above are from F0 (BMBT) although that may be because it's a button.Ībout 6 hours so far and not much of use as yet, although the messages abouve could be used to operate a computer driving an replacement display placed in the IKE + show other information.
In the whole BMW equivelent I wonder the message centre is like a MIR? Nothing I've sent has done any good (not certain it's getting there yet!) So far I've found the Nav-Bus messages are in I/K bus format. I've been experimenting with an old IKE not in the car to see what I can do with it. If we succeed in that, I can guarantee that I will make the interface that will display coolant temperature on IPK display, or any other info being transmitted on K-BUS line (speed, RPM. When we decode the format, we can try to disconnect TM and send our own messages to IPK. What I need ? I need someone who has IBUS analyzer to connect it and log the message format being sent from TM module to IPK (through pink-black wire). So, I want to make an interface that would read coolant temperature from K-BUS line and send it to the IPK like TrafficMaster sends its own messages. The other 3 unused connections are 1 no connection, 1 battery and 1 Beep disable, none of which are necessary or normally used. The Rover traffic alert device (TAD) simply receives the RF data from the roadside beacons and sends it via the I-bus to the instrument cluster.Īs far as our unit is concerned there are just the 3 wires connected, the 0 volts, ignition +12 volts and the data bus to the cluster. Engineer from Pektron described TrafficMaster module working like this: TrafficMaster module is connected to IKE through dedicated "Nav-bus" line (single wire + 12V + GND), described here:Ĥ. On the IPK (instrument cluster), you can see TrafficMaster module displaying "boot" messageģ. Displaying custom messages on that display (i.e.
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