Hi there,
I saw some videos online of folks using sensor simulators to help with automative diagnostics.
I sometimes use a USB powered PC based picoscope oscilloscope to look at communications and the one I have has an onboard signal/waveform generator.
In tracing a suspected airflow sensor issue today, I connected the Picoscope in place of the sensor and switched on the signal generator to produce the required waveform of a good sensor.
But as soon as I connect it to the two wires feeding the sensor it crashes the control module supplying it.
Is what I am trying to do fundamentally flawed? Perhaps because the Picoscope is powered by my computer and this being a separate supply to the truck I was working on? Any ideas? I would be very useful if I could emulate signals using the picoscope when tracing sensor faults.
Brian
I saw some videos online of folks using sensor simulators to help with automative diagnostics.
I sometimes use a USB powered PC based picoscope oscilloscope to look at communications and the one I have has an onboard signal/waveform generator.
In tracing a suspected airflow sensor issue today, I connected the Picoscope in place of the sensor and switched on the signal generator to produce the required waveform of a good sensor.
But as soon as I connect it to the two wires feeding the sensor it crashes the control module supplying it.
Is what I am trying to do fundamentally flawed? Perhaps because the Picoscope is powered by my computer and this being a separate supply to the truck I was working on? Any ideas? I would be very useful if I could emulate signals using the picoscope when tracing sensor faults.
Brian