Read First, EVAP Pressure Sensor (585)

EVAP Pressure Sensor (585)

Voltage Vs Pressure Differential:

Power supply 5 V

Differential Pressure
-2.5 kPa (-0.25 bar) approx. 0.5 V
0 kPa (0 bar) approx. 2.5
2.5 kPa (0.025 bar) approx. 4.5

The pressure sensor indicates the difference between the pressure in the tank and the atmospheric pressure and delivers a proportional voltage to the control module.

ALLDATA Editor Note: The above data is from a 1999 SAAB 9-5. A variety of data conflicts exist in the manufacterer's presentation of the specifications for the component numbered 585 entitled EVAP Pressure Sensor (585). It is not our attempt to explain their conflicts or interpret their data or reverse engineer their vehicles. It is our attempt to give you the ALLDATA customer the available data in a useable format that enables you to help your customers. The one piece of data that is most consistant (or perhaps least inconsistant) is that when the pressure outside the tank and the pressure inside of the tank are equal, the sensor returns approximately 2.5 volts to the control module on terminal 59. The description and operation article refers to DTCs P0452; P0453; P1451; P1452 and P1453.