Volvo Workshop Manuals
V70 GL L5-2.4L VIN 55 B5254S (1998)
Powertrain Management > Computers and Control Systems > A/C Signal > Component Information > Description and Operation > A/C Relay > Page 2926
A/C Signal: Description and Operation
A/C PRESSURE SENSOR
The A/C Pressure Sensor transmits a linear signal. It informs the Engine Control Module (ECM) about pressure in the A/C high-pressure circuit.
The A/C pressure sensor regulates:
^ START of engine cooling fan at low speed
The pressure sensor receives 5 V from the engine control module (ECM) The sensor signal may vary between 0 V and 5 V, depending on the system
The A/C pressure sensor is located in the A/C high pressure circuit.
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