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Moto G Fast
Android 11
GPS access allowed all the time
Bluetooth enhanced connection switched on in Expert setting
RaceChrono Pro trial version
The phone is paired to the LX. I added some CANBUS PIDs and when I test the connection via vehicle profile, RaceChrono connects almost instantly is able to read the CANBUS and provide live data.
However, when I start recording a session from the main screen, the app never connects to the LX as evidenced by the red “connecting to LX” banner at the bottom never disappearing.
I had the same issue with an MX+ originally which is why I was trying this with an LX, but I still see the same issue even after forgetting it and pairing again.
Do you have any suggestions to try?
Comments
1) Remove OBDLink LX pairing from the phone's bluetooth settings
2) Remove the OBDLink LX from RaceChrono settings and add it again
3) Press the small button on the OBDLink LX, before connecting for the first time again. The indicator led needs to be flashing quickly (pairing mode).
When I tried recording a session (just in the garage), the red banner at the bottom disappeared and it recorded three OBD parameters I selected. So far, so good.
I then added the same LX in the "Other Devices" section to record data (brake pressure and gear) off the CAN-Bus and tried recording another session and RC went back to not connecting with the LX.
I went through this whole process (removing LX and re-pairing) twice and was able to repeat this sequence/ issue.
What is interesting is that when I go into vehicle profile, I can test the OBD connection and see OBD data, switch off this test connection, test the CAN-Bus connection and see data from the PIDs I inputed. When I go back to recording a session, RC does not connect to the LX. I see "Connecting... (waiting)" for both OBD and CAN for the most part. Occasionally, I'll see Connected for the OBD portion but then it will revert to "Connecting... (waiting)".
Any thoughts on this?
Oh, ok. Yes, I did and obviously that’s the issue here. So, I can either read CAN-bus data or OBD, not both. Got it.
1. Will the PID from OBD be the same on the CAN-bus side?
2. If yes, is there a way to "copy-paste" the PID and equations from OBD to CAN-bus?
The reason I want to use the CAN-bus data instead of OBD is that front brake pressure is available on CAN-bus, but not OBD. And I have the PID for it.