S70 L5-2.4L VIN 55 B5254S (1998)
Oil Pressure Sender: Description and Operation
The oil pressure switch is located on the front of the cylinder block and consists of a switch which closes when oil pressure in the engine falls below
40-60 kPa (5.8-8.6 psi). When this circuit is closed an output in the combined instrument panel is grounded and the warning lamp lights.