cant connect vems ecu to my laptop.

[wwc_gang]

hi i have nissan s14a with new nistune ecu.tried to connect it to my laptop trough cable and with bleutooth but no luck.any one know what to do to connect it to my laptop when im opening vemstune ecu not found. or ecu not found on com3

[jrussell]

I'm confused. You're trying to connect to a nistune ECU with VemsTune?

[wwc_gang]

Oh sorry my bad. I have vems ecu.

[VEMS]

Hello Wwc_gang,

hi i have nissan s14a with new nistune ecu.tried to connect it to my laptop trough cable and with bleutooth but no luck.any one know what to do to connect it to my laptop when im opening vemstune ecu not found. or ecu not found on com3

Checklist:
* To rule out any bluetooth driver issues first use your serial cable (straight not crossed).
* Connect the cable to both v3 ecu and laptop.
* Make sure the ecu is powered.
* Open VemsTune, go to preferences -> communication settings, make sure communication enabled = yes.
* Press the detect button, it should detect your ecu.
** If it does not, check your serial cable wiring, driver (when using rs232 to serial, press open device manager button and check "ports (com & lpt)" to see if your usb2serial is there and without "!" mark), check ecu power; if all good redo the previous step

After completing these steps you should have communication or at least a better understanding of where to look / diagnose further

Best regards, Dave

[jrussell]

I made a video about this too. It was on a BMW M50 ECU, but the same situation applies to all VEMS ECUs.

https://www.youtube.com/watch?v=CYDZt8hhM1Y

[jrussell]

I haven't seen or heard of that at all before. Thanks for circling back and letting us know how you solved it. It quite possibly will save someone else a bunch of time.