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General Questions ---- 29-05-2018 Need Help no serial connection. End user had problems connecting to ecu. We have tested on 5 pc and many usb to serial connectors. Problem started as a small issue but got worse over the time and now we have total lost any kind of connection. ECU 17xxx I will not start to repair it before I have heard from vems.hu. We have send a mail to the web shop but nothing heard yet. I really need to get his car up and running so please help. Peter vems.dk ---- 30/1-2018 Haw to connect flex fuel sensor to pcb 3.8 ECU 9952 How to connect GenBoard/VerThree/FlexFuel sensor to the "SCL" of v3.8 pcb * note: 2nd wheelspeed available on pin if ECU ordered with 2nd wheelspeed, eg EC10/pin6 below (or is that a separate project ? Please never mix different projects on same page, please create separate page) ** check the paper docs received with the device. ** Safe to feed frequency or other 0-5V signal with 1k to unknown EC10 or other pins (and see wheelspeed [http://www.vems.hu/vt/help/v3/v3_analog_input_calibration.html analog input] reactions in VemsTune) See GenBoard/VerThree/Schematic to connect to port SCL * check in the schematic which AVR pin, and measure if at least the protection resistor is there. [http://www.vemssupport.com/forum/index.php?topic=2499.0 On v3.8 filter and protection is embedded in PCB] * see InputTrigger/WheelSpeed '''Second Wheelspeed input''' and any references, eg. SubaruEj * Note: normally wheel speed 2 is wired to EC36 pin 30 ** this pin also goes to p259 ** no NEED to cut the p259 trace, the p259 output does NOT pull to GND (or do anything) if not activated. ** so wiring SCL to EC36 pin 30 can be done without tracecut. ** only start any such modification if willing to follow the schematic to verify any hint, and avoid static electricity damage http://www.vems.hu/files/MembersPage/PeterJensen/wheelspeed2.jpg http://www.vems.hu/files/MembersPage/PeterJensen/wheelspeed2_back.jpg ---- '''BMW 88 pin Boost valve''' We need to connect a '''N75 boost valve''' to this 88 pin ecu but what pin will we connect to? '''Econoseal 10 pin connector''' Pin 8 and 9 Extra output with flyback. * What does it mean ? (p259 or inj-FET or what ?) ** exactly as written, same as in VemsTune * so in VemsTune, outputs menu select boost control and '''choose''' ** '''Extra output 5''' if you connected to "Extra output 5" ** '''Extra output 6''' if you connected to "Extra output 6" http://www.vems.hu/files/MembersPage/PeterJensen/51731635411_2.jpg ---- Round only AIM Hi Setting up aim coolant temperature something goes wrong while temp goes form 99 to 100 degrees. Should be 100 but at the display i can see number 180. I have used the predefined values and working great until it gets to 100 degrees. Firmware version 0.5.3
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