Oil pressure warning lamp: Notes

Fig 1: Oil Pressure Warning Lamp Communication Diagram

Courtesy of SAAB-SCANIA OF AMERICA, INC.

Fig 2: Oil Pressure Warning Lamp Circuit Diagram

Courtesy of SAAB-SCANIA OF AMERICA, INC.

The oil pressure warning lamp is situated in the top RH corner of the instrument display. This lamp warns the driver when engine oil pressure is too low.

If the oil pressure falls below 0.3-0.5 bar, the oil pressure sensor makes contact, pin 15 in the main instrument unit is grounded and the control module turns on the lamp. At the same time, the central warning lamp is lit and at engine speeds above 300 RPM, MIU sends a request to SID to activate the acoustic signal.