2007 Evinrude E-Tec 75, 90 HP outboards Service Manual, Page 180Get this manual
OILING SYSTEM COMPONENTS Code 32 constantly closed oil pressure switch (EMM does not detect oil pressure changes for 255 cycles) activates service code 32 and the EMM: Initiates EMM LED: "SENSOR FAULT" Stores service code 32
SystemCheck LOW and NO OIL Warning Signals
LOW OIL Warning
A sending unit of the oil injection pump and manifold assembly monitors the oil level in the tankThis sending unit is designed to activate the SystemCheck "LOW OIL" light when the oil level falls below one-quarter capacityApproximate oil reserve at Low Oil activation: 75 90 HP models 0.61 qt(0.57 l)
Electrical Circuit (55 V)
The oil injector is powered by the 55 electrical circuitThe EMM controls injection pump operation by opening and closing the circuit's groundCircuit components: EMM, injector control function 55 electrical system: stator, EMM Main wire harness EMM injector ground circuits Refer to Oiling System Electrical Diagram on p181