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'''S85B50''' (subpage of MembersPage/RijaRobinson) '''BMW s85b50 engine from e60 M5.''' ECU is V3 with internal CAN Engine has can bus controlled throttles First issue: Primary trigger is VR is not detected (not seen in triggerlog and RPM=0). Ground point is bolt on the chassis. Strongly tightened. The 4 cam signals are all ok. Info provided by email: * Everything is working except Primary trigger VR signal. ** '''IMPORTANT: PLEASE DO measure input DC voltage with input open and with 1k resistor between ground and EC36/27''' ** >0.5V (1.35V typically for 2k7 internal pullup) likely HALL input. Measuring <270 mV means weak internal pullup (likely VR), perhaps p259 damaged causing VR not sensed ? * I have a '''spare Ecu''' to test the same trigger on the same harness and it sees the primary signal. * '''All the 2nd 3rd 4th and 5th signals are seen on the triggerlog but the 1st.''' ** Double-check grounds just in case, and see [https://shop.vems.hu/catalog/repair-upgrade-p-103.html repair/upgrade] * I have an engine simulator also to test and the same thing happens. * The spare ecu is OK. DB review and feedback * If the ecu was ordered with pri = VR and 4x HALL (for cam triggers) than it should just work out of the box * Your other testing (with the other ecu and engine simulator) suggests its not a problem with wiring or sensor, this must be some ecu mis-configuration. I have checked '''P259 channels 4,5,6,7''' making vanos solenoids ticking. '''They work''', apparently '''p259 is not dead'''. I can also '''simulate Hall sensor signal''' with the Jimstim but prim signal still missing. I sent back the ECU for repair
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