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Oil Pressure Low Message

Oil pressure sensor is a variable resistor the changes resistance proportional to oil pressure. BCM monitors resistance at terminal 3D9. If oil pressure drops to less than 6 psi, BCM will illuminate LOW OIL PRESSURE message. This will occur after engine has been running for at least 5 seconds and if the following conditions exist:

Or if the following conditions exist:

Fig 1: Oil Pressure Low Message Circuit Diagram
G90C14417