REFRIGERANT PRESSURE SWITCH OPERATION
BME074061503T01
Middle Pressure Switch Operation
• When the refrigerant pressure exceeds approximately 2.06 MPa {21.0 kgf/cm2, 299 psi}, the contact point goes on, and the middle pressure switch sends an idle up signal to the PCM.
• When the PCM receives the idle up signal, the PCM sends an operation signal to the IAC valve.
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1
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Refrigerant pressure switch
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2
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Idle up signal
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