2007 Evinrude E-Tec 75, 90 HP outboards Service Manual, Page 101Get this manual
ENGINE MANAGEMENT MODULE (EMM) SYSTEMCHECK ENGINE MONITOR
Software Replacement
Software programs or "maps" are downloaded into the EMM prior to factory testing of the outboardPeriodically, new map may be available to enhance the operation of an outboardRefer to the installation instructions provided with the program
SystemCheck ENGINE MONITOR
The SystemCheck engine monitor warns the operator of conditions that could damage the engineThe monitoring system consists of dashmounted gauge with four light emitting diodes (LED), warning horn, sensors on the engine and oil tank, and related wiringThe system is compatible with all Evinrude outboards with the Modular Wiring System (MWS)Gauges are available in two sizes: 2-ingauge with four LEDs or 12-intachometer with LEDs