Engine oil pressure warning lamp

Fig 1: Identifying Engine Oil Pressure Warning Lamp

Courtesy of SAAB-SCANIA OF AMERICA, INC.

Fig 2: Identifying Circuit Diagram - Engine Oil Pressure Warning Lamp

Courtesy of SAAB-SCANIA OF AMERICA, INC.

The oil pressure warning lamp is located in the top right-hand corner. It warns the driver when engine oil pressure is too low.

The lamp is supplied with current in the main instrument unit and grounded via terminal 2 (K20) of the oil pressure sensor.

If the oil pressure is below 0.3-0.5 bar, the oil pressure sensor will close, the circuit will be grounded and the lamp will come on. Meanwhile, the central warning lamp will come on and at engine speeds above 310 RPM, MIU will send a request to SID to activate the acoustic signal.