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Try it, however I would worry it might be picking up the wrong bit of the signal if not designed for active or dumb coil in this way

Tried llower frequency no better, 400 is max. Tried capacitor and inductor to ground, this raised the values on the dash but they are still not stable. So gave up and fitted a new OEM sensor, display now stable but still under reads by around 15 deg, oh well, I can live with that.

Try checking the innovate is actually outputting a voltage as suggested by stevie and that the dta and innovate share the same ground

So what was the problem with the syncing?

Is the crank sensor set as a hall type in the software? perhaps it has changed somehow?
I've just downloaded the software and having a play.

No point, I just want to implement a pwm output that mimics an NTC sensor, I am asking for suggestions on a size capacitor to smooth the output and should it be to ground or 12/5v it is working without the capacitor but the reading on the dash goes up and down which I suspect is because it needs smo...

The existing sensor is something special to the stack/rover setup, its just an NTC with a 2 pin mini timer but using just one pin. unreliable and poor calibration, hence my plan to implement a D/A Converter idea that sort of works, the ECU has it's own temp sensor,
So will a capacitor help?

Hi, I have an S1 Elise that has a digital water temp gauge run from it's own sensor, this sensor is very inaccurate and unreliable, probably because it has a single pin connector? I am trying to drive this display from aux1 via pwm at 400hz, this works but the display wanders up and down about 8degC...

Found it !
https://www.dtafast.co.uk/tech-quickie/ ... m-control/

The diagnostic screen shows your cam position as 151.8 so 152 is fine to be used in 'Cam Position Sensor' , you have it set as 150. There was some help on cam control the DTA youtube but it appears to have disappeared, https://www.youtube.com/playlist?list=PLNLeODaWedRD6DL20yA2Zn8ebepZUt8ab or it ma...