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merctec

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  1. merctec

    Trigger

    Called the Brisbane Tech line today emailed them some stuff from today would have to arrange access to the pico scope for the standalone symptoms today are cranks starts runs cuts out running time changes 2min 10min or more today would run cut out re start run cut out if you try to raise engine speed sometimes cuts straight out others will rev up just before it cuts out trigger 1 on runtime goes to no, trigger 2 still ok
  2. merctec

    Trigger

    After reviewing all the parts associated with the trigger system having changed source, and the wiring for the power supply and earth and the shielded sensor cables replaced both triggers including the trigger wheel as was slightly outside the sensor spec Iam back where i was when i first raised the topic on the forum in PC Link and Firmware 620 That there is an issue with the Monsoon G4X
  3. merctec

    Trigger

    This I understand but what generates the voltage on the signal wire A hall sensor must rise above 1.5V and fall below 1.0V to be considered a valid edge. 1.5/2.0/2.5 are all valid then and what reads the voltage and acts on that signal I have replaced the wires and the sensor with no change in the fault changed the supply voltage source and ground location when it fails it sometimes has a voltage off 4.19v to 14.3 mv on trigger 1 and a trigger 1 and 2 signal on the runtime values and still won't give an injector or spark pulse it just so happens when I Pico scoped it had low voltage on the signal wire and why did the trigger 1 offset change after the firmware update from 348 to -12 which has now gone to -14
  4. merctec

    Trigger

    Iam fresh out of ideas have tried everything I can think off to find this fault Assuming i have a trigger1 and 2 signal stable power and earth to the ecu what else would stop the ecu giving the spark and injector pulse have disconnected all non-essential stuff eg tacho, fan control
  5. merctec

    Trigger

    Voltage drop when cranking 0.391V Cleaned up engine and battery ground now 0.157V did the crank by hand again after 4.18V drops too 14.3mv
  6. merctec

    Trigger

    will check that tomorrow when i crank by hand when the engine cuts out and wont re start the high voltage is in the 2.5v area and less than a volt on low side
  7. merctec

    Trigger

    Just checked 4.19V high low 25.7mv
  8. merctec

    Trigger

    The earth from the sensor ground wires too the engine is 0.5 ohms resistance too body 0.6 and ecu plug too engine on the 2 black wires is 0.5 ohms and to the body is 0.6 but in the pursuit of an answer i did disconnect them at the sensor ends and ran them straight to the engine just to rule out a wiring issue with no change in symptoms and i have also swapped the ZF cherry sensor with another one with no change
  9. merctec

    Trigger

    Sorry try it now
  10. merctec

    Trigger

    https://drive.goohttps://drive.google.com/file/d/1YMDOhsWQtmkyh-ZvOxnzNdJ9xOZlofNm/view?usp=drive_webgle.com/filehttps://drive.google.com/file/d/1B3izsbR5f90OYgrBnVq0gbEJZZFLmsDR/view?usp=drive_web/dhttps://drive.google.com/file/d/1i75cBsJrdiLYqxGziSNC5mVXl40b-XTR/view?usp=drive_web https://drive.google.com/file/d/1i75cBsJrdiLYqxGziSNC5mVXl40b-XTR/view?usp=drive_web
  11. merctec

    Trigger

    Measured it with a Pico scope do you have a drop box it is also throwing 1047 and disconnecting a lot from the pc link
  12. merctec

    Trigger

    Had it falling but was playing with the settings to see if it changed anything as i did by fitting a external 2.4k resister to try to narrow down the issue the thing is trigger 1 has a signal right up to the wire at the control unit plug it's just not picking it up
  13. merctec

    Trigger

    Attached trigger scope when not starting and tune as it is now log too big to attach scope26 non start.llgx cutting out tune.pclx
  14. merctec

    Trigger

    Hi Sorry still trying to get used to this posting gig It is in relation to my ongoing efforts to get to the bottom of my non start and cutting out issue which i posted in the pc link and firmware 6.20 topic which was intermittent eg event only on 2 occasions which since i updated the firmware is now a permanent issue i have already sent scope pics and logs can send more if needed
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