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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: '''New:''' '''2 big problems''' * '''1) stuck in bootloader mode''' *USB-Serial adapter (of course) *We are using the newest VEMSTune 10-20, and uploaded firmware 1.1.27, along with PTC 2460_425 and 2063_256 files. *The firmware started to upload and then stopped, and displayed error windows about the bootloader mode or whatever. Now the ecu wont connect in MT or VEMSTune. *I had him bridge serial port 2-3 with the ECU OFF, then turn the ECU ON, did this a few times. (not needed if it starts in bootloader anyway. Wont hurt either) *We tried turning the ECU OFF (before uploading again) after bridging the pins, was this wrong? ** no problem at all *I cant get anything to work now. Any ideas? ** try with megaloader (see the batch file in the MegaTune releases) or prog.pl ---- * '''2) ECU resetting causing big hesatations in engine''' '''Datalog - shows 3 ECU Resets, 2 PW drops to zero at idle, and one trigger error''' http://www.vems.hu/files/KevinBlack/Cg%20Drive%201.xls ---- ---- '''Update: Engine is running. I had to rotate the ignition outputs.''' '''NEW Order: h[2]=10 76 60 30 20 50 50 50''' '''In MT = 2-3-6-7-1 (bottom to top) '''OLD Order: h[2]=76 60 30 20 10 50 50 50''' '''In MT = 1-2-3-6-7 (bottom to top) '''I assume this is because of the secondary trigger placement. Can someone check the rest of the config to make sure it is correct for a 3B engine?''' '''OLD dumps below - secondary trigger was "disabled" in MT(fixed)''' http://www.vems.hu/files/KevinBlack/CGFinalBaseDump.rtf ---- '''Primary Trigger Settings, note no "crankminper" setting''', does this explain the trigger error? (should be ~2600 for 8000+100 rpm limit) * '''What about the "Nissan Trigger enabled?''' http://www.vems.hu/files/KevinBlack/PrimaryTrig.jpg ---- '''Ignition Configuration / Wiring, 5 IGBT Outputs''' '''IGN Output - EC36 - Color - Cylinder''' 10 - 33 - Blue(Tape) - Cyl 1 20 - 34 - Black - Cyl 2 30 - 36 - Brown - Cyl 4 60 - 24 - Red - Cyl 5 70 - 10 - Blue - Cyl 3 Firing Order 1-2-4-5-3 ---- '''Car Information:''' * 1991 Audi 200 20vtq,(3B) * Stock injectors, 3.5 bar fuel pressure * 5 individual 12V power coils ---- '''ECU information''' * Webshop assembled Serial # 2016 * 1.1.27 Firmware * Marcell config and tables for 3B * Megatune 1.1.23 and or V3GUI for tuning ---- '''Questions:''' * Does 3B Engine need crankhome wires reversed? ** yes *** '''Done - Black crank-home connector Pin1=Red to ECU 48, Pin 2=Violet to ECU 49''' * What is Cam Hall inversion? ** a small (NPN) inverter inside the box makes low/hi from hi/low input (on EC36/13) * Need to check config (Marcells config shows 90 tooth for trigger? I thought it is 135 tooth?) ** actually 270 tooth, so 90 because of the divby3 * Need to verify all trigger functions - shipping this ecu to a customer ** you can use soundcard, left channel to EC36/27, right channel to EC18/12. Use c270 trigger * Need documentation about how P259, INJ, etc. is wired to Motronic55 connector ** See the 3B column in the spreadsheet. http://vems.hu/download/v3/Motronic55/motronic-AAN-ECxx.xls ** also see the functions in the config. Eg p259/0 (ec36/4) is tach out. ** also keep track of what you ordered. The SSC6 pinout can vary according to customer request (pins can be analog input, or ignout logiclevel/power ign out, or gnd) ---- '''Requested Configuration''' MAP connection 400kPa onboard - brass nipple Flyback - 30v Diode LCD - Connector through endplate (DSUB9 on endplate or flying loom) EGT - Flying Loom through endplate Knock - Via Motronic55 Pins IAT - Audi PTC Sensor (430 Ohm pull-up) ---- '''Ignition Configuration, 5 IGBT Outputs''' '''IGN Output - EC36 - Color - Cylinder''' 10 - 33 - Blue(Tape) - Cyl 1 20 - 34 - Black - Cyl 2 30 - 36 - Brown - Cyl 4 60 - 24 - Red - Cyl 5 70 - 10 - Blue - Cyl 3 Firing Order 1-2-4-5-3 ---- '''2 Analog Inputs, custom connector''' * Red (Analog 7) 8,400 Ohms to Pin 12 5V * Blue(Analog 6) 8,400 Ohms to Pin 12 5V ---- '''Launch Control and Shift Cut Setup''' * '''How do I wire and set-up the Launch/Shift as described below?''' As you see, the "AAN ECU extra connector pins" has 3 analog inputs, we use one brake-light switch mounted under clutch (and a series switch that can disable it) to pull down (activate) the (shared) input for shiftcut and launch. When activated with TPS < iac_tps_threshold launch is activated (TPS can be pressed after activation). Otherwise shiftcut is activated. ---- '''WBO2 Configuration''' '''SSC Pin - Flying Lead - WB02 Pin''' * 1,black Nernst,WBO2 Pin 1 * 2,'''White''' +12V (motronic pin27) 3 * 3,'''Grey''' Heater(-),WBO2 Pin 4 * 4,transparent Pump(-),WBO2 Pin 5 * 5,thin red Pump(+),WBO2 Pin 6 ---- '''Suggestion - make WBO2 wire colors match the LSU4.2 sensor''' '''SSC - Color - WBO2 Pin''' * 1 - Black - 1 * 2 - Grey - 3 * 3 - White - 4 * 4 - Yellow - 5 * 5 - Red - 6 ---- '''General Audi Information''' Pic of ECU Connector: http://www.vems.hu/files/Audi%203B%20Connector/ECUconnector.jpg 3B Wiring Pinout: http://www.s2central.net/motronic_pinout_3B.html 3B Wiring Schematic: http://www.s2central.net/images/3B_ECU_Schematic.jpg Audi 3B Information: http://www.s2central.net/motronic_02.html http://www.sjmautotechnik.com/trouble_shooting/20vboost.html 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.