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Update: Project is active with a new customer. ---- 1991 Audi 200 20v turbo,(3B) * Developers actually have a 3B test engine (that is 20VT engine with 3B harness) for testing several stuff: MembersPage/MarcellGal/PowerAndTraction ---- '''VEMS Motronic Audi 3B ECU 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) ---- '''Custom Pinout Information''' '''Ignition Setup - Flying Lead''' * 5 individual High Power coils (034) * Flying lead 5 wires (~150mm) for high power ignition outputs * I will supply the connector * 1 logic level connected internally to OEM IGN as backup. ---- '''SSC Pin - Flying Lead - WB02 Pin''' * 1,black Nernst,WBO2 Pin 1 * 2,'''White''' +12V (motronic pin27)''' * 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 ---- '''For 3B, specify choice for the extra flying loom cable - often SSC6 connector''' Kevin said SSC6 not needed, he will supply connector. So we can use more than 6 wires. Suggestion: '''5 IGBT Outputs - IGN Output - EC36, custom connector''' * Brown,IGN 3,36 * Red,IGN 6,24 * Black,IGN 2,34 * Blue, IGN 7,10 * Blue(tape),IGN 1,33 '''2 Analog Inputs, custom connector''' * Red (Analog ?) 8,400 Ohms to Pin 12 5V * Blue(Analog ?) 8,400 Ohms to Pin 12 5V ---- '''General Motronic55 information''' ** Best to have 5 IGBT wires bundled together (away from analogs) due to interference? ** Will the 2 analogs have internal pull-up in order to be used with Launch and Shift-cut?'''(I measured 8.4k)''' ** Does the IAC valve still work when tps threshold is used for Launch control activation? MembersPage/TeppoKalske page bottom has the standards for SSC6 female pinout: * either "3B ECU extra connector pins" * or "AAN ECU extra connector pins" Or "your custom pinout you like, eg. 4 outputs and 1 analog input" and 1 GND. 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. In any case, one must specify his extra-connector pinout preference for a 3B engine. ---- '''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 ---- '''OLD SETUP USED FOR REFERENCE - DO NOT USE''' '''IGNITION out and analog inputs''' Motronic55, Pin 1 is Stepper D, EC18 Pin 11 Flying Lead (No connector, I will supply) * black Stepper A, EC18 Pin 4 (EC10/1) * green Stepper B, EC18 Pin 10 (EC10/2) * orange Stepper C, EC18 Pin 5 (EC10/3) * thick lightblue EC36 Pin 11 (Logic level) (EC10/10) * vivid-blue mcp3208ch7 analog input with 2k7 pullup (EC10/7) * transparent mcp3208ch6 analog input with 2k7 pullup (EC10/6) * pale-blue mcp3208ch5 analog input (EC10/5) ---- '''analog input usage: Launch Control / WOT Shift Cut''' Flying Lead (No connector, I will supply) * Analog Input for: "Brake-light switch mounted under clutch (and a series switch that can disable it) to pull down (activate) the (shared) input for Shift Cut and Launch. ** When activated with TPS < iac_tps_threshold launch is activated (TPS can be pressed after activation). Otherwise Shift Cut is activated." '''Possible extra feature:''' - Air Conditioning / Radiator Fan "Idle-Up" Input
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