VEMS v3 ECU - Connecting Serial Port

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Connect the serial port

Connecting serial port

To allow the connection of the VEMS unit to your PC a serial port plug must be connected as

follows.

• EC18-pin14 to DSUB9-pin3

• EC18-pin15 to DSUB9-pin2

• EC36-pin26 to DSUB9-pin5 (GND).

Start VemsTune and test connectivity

If you don't already have VemsTune, you can download it from here: http://www.vems.hu/vt

Always stay up to date with VemsTune. This is especially important when updating the firmware on the

ECU. Older VemsTune releases may not understand and properly handle the newer firmwares.