MS1 to MS3, no spark
#21
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Now I installed the VR circuit,
as I have this on my board,
now I get this while cranking:
![](https://www.miataturbo.net/attachments/megasquirt-18/40158-ms1-ms3-no-spark-crank.jpg?dateline=1334310337)
I sometimes get this after switching on the MS.
:
![](https://dl.dropbox.com/u/12288870/camsig.JPG)
Should the CAM in settings set to off or on?
I tried this with these settings:
Ignition output capture: Rising edge
Spark output: going low
Spark hardware in use: LEDs spark
as I have this on my board,
now I get this while cranking:
![](https://www.miataturbo.net/attachments/megasquirt-18/40158-ms1-ms3-no-spark-crank.jpg?dateline=1334310337)
I sometimes get this after switching on the MS.
:
Should the CAM in settings set to off or on?
I tried this with these settings:
Ignition output capture: Rising edge
Spark output: going low
Spark hardware in use: LEDs spark
Last edited by Braineack; 04-13-2012 at 09:01 AM.
#22
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you still have no cam input.
When using the VR circuit, you need to use the cam in on the ms3x board to match the polarity. With the cam still on js10, I don't think you can run the VR input.
regardless of this, youre still not getting a cam signal at all.
When using the VR circuit, you need to use the cam in on the ms3x board to match the polarity. With the cam still on js10, I don't think you can run the VR input.
regardless of this, youre still not getting a cam signal at all.
#28
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that's becuase your crank is outputting a falling edge signal and cam rising edge.
you could try switch your ign settings to the alternative one...i cant remember if that works. but those red lines represent where the MS was expecting a signal.
if that doesnt work, you need to revert back to the opto in for the crank.
you could try switch your ign settings to the alternative one...i cant remember if that works. but those red lines represent where the MS was expecting a signal.
if that doesnt work, you need to revert back to the opto in for the crank.
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Zaphod
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10-26-2018 11:00 PM