With these K+DCAN cables there are two subtle different versions, one with pin 8 enabled, one with it disabled. In fact thinking about it I use the same adapter for INPA, DIS and ISID. As mentioned if you only use the adapter on the e39, run the utility once and set the adapter to K CAN and leave it at that. I use the DOS version of the DCAN utility. I always switch my K+D CAN adapter between K and D CAN protocols as I need to, depending on the car that I’m connecting to. The OBD port only allowed access to limited modules, I think only the DME in fact.
Q: How do I switch back to K-Line? Just by connecting the two pins or is further action on the computer required?Ī: Earlier e39 had both the OBD port in the cabin and the round 20 pin connector under the hood. If you run it the first time you connect to a DCAN car, your computer will retain the settings. Q: Is it necessary to do so every time I want to use DCAN or is the interface staying in DCAN mode once I ran DCAN.exe?Ī: You only need to run it when you are switching between modes. I have only used my K+DCAN interface with DCAN cars. Q: Is there anything else to do for switching from K-Line to DCAN then disconnecting pin 7&8? Unfortunately I don ’t have a DCAN model available.Ī: As soon as you connect the interface to the car and your computer, run DCAN.exe to configure the comms rate. Q: So you have to physically connect (K-Line) or disconnect (DCAN) pin 7&8?Ī: Yes, I think connection by soldering is a bad option as it limits the usefulness of the interface, I have an adapter but consider a switch to be a better option. How to use/switch/connect to K-Line or Dcan pin 7&8?
Mount a small switch on the OBD plug end of your adapter, which can bridge (for K line) or separate (for DCAN) the connection between pins 7 & 8.Use an adapter (such as the one sold by One Stop electronics) which internally bridges pins 7 & 8 or….The 2 most sensible options are both hardware-related:. I assume the reasons being that on DCAN cars one pin is used for a ethernet connection and the other to the K data line – on K line cars, both pins are connected to K data lines and that creating a switch mode circuit would cost more than the interface is worth.
New K+Dcan cable with a switch pin 7 &8 and FT232RQ chip: The switch on this cable to LEFT is for 7 pin, to RIGHT for 8 pinĨ pin for K-LINE communication (old DCAN cables cannot do it) for BMW from 1998 to 2008 It’s a BMW K+Dcan usb cable, the 2018 version.Ī new switch is added, compared to the traditional Dcan cable.
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