By using this circuit, we can determine the following:
Recognize which port in the circuit is the “high” pressure port.
Port “B” in the circuit is the “high” pressure port.
If the R1 fixed resistor fails to open, recognize what the voltmeter registers.
If the fixed resistor ‘R1’ fails to open then the voltmeter in the circuit drives completely upscale.
Identify a fault component that drives the voltmeter completely upscale.
A fault component that drives the voltmeter completely upscale follows as;
Strain gauge1 fails, it will be shorted.
Strain gauge 2 fails then it will open.
When ‘R1’ fails, it will open.
When ‘R2’ fails, it will be shorted.
The differential pressure sensor works by measuring the pressure drop between two points within a pipe. At one point in the pipe, it reports the charge condition of the particle filter & checks its function whereas at another point, it controls the low-pressure exhaust gas recirculation. Generally, these sensors are packaged with two ports where pipes can be connected. After that, the pipes are coupled simply to the system wherever the measurement is to be made.
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