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IMPORTANT: enter the case-INsensitive alphabetic (no numbers) code AND WRITE SOME SHORT summary of changes (below) if you are saving changes. (not required for previewing changes). Wiki-spamming is not tolerated, will be removed, so it does NOT even show up in history. Spammers go away now. Visit Preferences to set your user name Summary of change: * '''Support for ecu serial #10267''' ** A customer's V3.6 ecu suddendly lost serial number, seems to be in a kind of limp mode (10° and 0.65 lambda at any load/rpm). ** VemsTune is now displaying that Serial is unknown-0. ---- Granting (by info sent in priv), Do you have ISP cable (Parport DSUB25 or USB-ISP ?) Will need to follow http://vems.hu/vt/help/v3/general/bootloader_upgrade.html If considering bootloader upgrade, (so that internal BOD can be disabled) highly recommended: '''PLEASE CHECK THAT v3/10267 has reset chip at the atmega128/pin20 reset''', eg * mcp121 or mcp131 (U26 position) * or mcp809 or max809 (U10 position)''' See GenBoard/VerThree/Schematic eg [http://www.vems.hu/files/genboardv3/v3.8/genboardv3.8_sch.pdf v3.8.pdf] '''----------------------------------------------------------------------------------''' * '''Support required for VEMS EGT amplifier''' Engine off, ambient sensor temp, I'm getting 2.5 volts out of Pin6 (0-5V output, 1V/233.3C). Thus getting 580°C instead of 20°C. Tested Pin7 DVM output (1V/100°C) and getting 0.7 volts (and not 6 volts, roughly corresponding to Pin6 2.5 volts). EGT sensor is K type yellow-red wires: ** yellow = green (plus wire) to board GND ** red = white (minus wire) to the board cathode on corner Optional: Add document to category: Wiki formatting: * is Bullet list ** Bullet list subentry ... '''Bold''', ---- is horizontal ruler, <code> preformatted text... </code> See wiki editing HELP for tables and other formatting tips and tricks.