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ENGINE MANAGEMENT MODULE (EMM)
SYSTEMCHECK ENGINE MONITOR
SystemCheck ENGINE
MONITOR
The SystemCheck engine monitor warns the
operator of conditions that could damage the
engine. The monitoring system consists of a dash-
mounted gauge, a warning horn, sensors on the
engine and oil tank, and related wiring.
The system is compatible with the Evinrude Mod-
ular Wiring System (MWS), I-Command
system,
or other NMEA 2000
compliant CANbus instru-
ments.
Gauges
Gauges are available in several styles, from a
basic gauge with four LEDs to a CANbus gauge
with LCD readout.
The EMM activates the warning horn and the
appropriate gauge display as follows:
• NO OIL indicates an oil delivery problem such
as an empty oil tank or damaged oil system
components.
• WATER TEMP or HOT indicates an engine or
EMM overheat condition.
• CHECK ENGINE is used to indicate numerous
fault conditions identified by EMM.
Refer to the EMM Service Code Chart located at
the back of this manual for a detailed list of ser-
vice codes related to SystemCheck activation.
The oil tank sending unit activates the warning
horn and the LOW OIL light of the gauge.
• LOW OIL indicates the oil level in the oil tank is
down to the reserve level (about 1/4 full).
System Self-Test
During engine start-up, pause with the key switch
in the ON position. The horn self-tests by sound-
ing a half-second beep. MWS gauges self-test by
turning the indicator lights on simultaneously, then
off in sequence.
Service Mode
SystemCheck goes into a service mode if the key
is left ON after self-test (engine NOT running). All
light circuits and sensors are active, but the horn
is not. Grounding the appropriate light circuit wire
will turn the light on, but the horn will not sound.
Engine Running
All warning light circuits are active when the
engine is running. The horn circuit is active when
engine speed exceeds 500 RPM. The gauge will
continue monitoring until the engine stops.
SystemCheck warnings activate the horn for 10
seconds and the appropriate gauge light for a
minimum of 30 seconds. If the failure is momen-
tary (e.g., oil moving in the tank), the light will
remain ON for the full 30 seconds before going
out. If the fault continues, the light remains ON
until the key is turned OFF or the failure is cor-
rected. The warning will reoccur at the next start-
up if the problem is not corrected.
Typical MWS SystemCheck gauges 005329
Typical I-Command gauge 005330
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