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Summary of change:
'''BMW M44B19 engine 1997''' Motronic 88 pin harness in BMW E36 318is * VR / HALL * 4 IGBT seems enough * stepper chip might not be needed '''Primary trigger''' VR, but polarity is not confirmed. Best guess (without measurement, so not confirmed) * '''black mot88/20=EC36/27''' * '''yellow mot88/78=GND''' ** '''ANY INFORMATION IS WELCOME. IF YOU HAVE ACCESS TO BMW M44 harness, please check colors (is the above correct ?)''' ** If you have engine, or installed before, any scopeshot or notes would be welcome. Thanks. ---- '''IDLE actuator / ISC valve''' * M44/pin2 and M44/pin29 direction ? * resistance (ohm) ? ---- '''Valves''' * '''M44/pin58 Changeover valve''' resistance ? * '''M44/pin61 EVAP valve''' resistance ? ---- '''Relays (usually 92 .. 120 Ohm ?)''' * M44/pin27 DME relay (resistance ?) * M44/pin63 Fuel pump relay (resistance ?) * M44/pin57 Aux fan relay (resistance ?) ---- '''AC ON input''' * M44/pin69 need pullup or does not matter ? ---- See [http://vems.hu/download/v3/Motronic88/ M50-vanos-vs-s50b32-vs-M60B40_B30.xls] M44 column (and other 2020-07-xx files)
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