DDEC MULTI ECM Air Compressor Pressure Sensor

The Air Compressor Pressure Sensor (ACPS) is a variable capacitance sensor that produces a linear analog (voltage) signal proportional to air outlet pressure. The ECM monitors the air outlet pressure while varying the engine speed and controlling the compressor inlet or outlet valve to maintain the set pump pressure. The ACPS range is 0 to 300 psi. See Figure 3-27.


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