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Summary of change:
I'm looking to use the VEMS Motronic PnP on a 1991 Audi 200 20v turbo, the motor is a 3B * Can the VEMS Motronic PnP be adapted to this engine (harness) ? ** Yes, developers actually have a 3B test engine (that is 20VT engine with 3B harness) for testing several stuff: MembersPage/MarcellGal/PowerAndTraction 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 ---- '''For 3B, specify choice for the extra SSC6 connector''' 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. We use the "AAN ECU extra connector pins" with our 3B, and use logiclevel (stepper-D) channel to drive (via orig 3B harness) the factory coil which only fires cyl1 directly. 2 poweroutputs from the SSC6 female are used to drive a 2x2 wasted spark coilpack to drive Cyl2,5 and cyl3,4. This is an uncommon setup, but eliminates distributer spark-dispatch function (the HALL-sensor in the distributer is still used), and allows strong spark. It works well. 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.
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