Sensors And Functions; Internal Sensors - BRP Evinrude E-Tec Series Service Manual

SENSORS AND
FUNCTIONS
Sensor inputs and internal EMM controllers are
used to control outboard operation. Use the
Evinrude Diagnostics Software program to trou-
bleshoot the sensors. Refer to Evinrude EMM
Service Code Chart at back of manual for com-
plete list of al engine fault codes.

Internal Sensors

Internal sensors are NOT serviceable. Repro-
gramming or replacement may be required to
resolve EMM related issues.
EMM Temperature Sensor
Monitors the temperature of the fuel injector driver
circuits.
If the EMM temperature exceeds 176°F (80°C) or
the circuit fails, the EMM:
Activates S.A.F.E.
Stores a service code 25
Initiates EMM NO OIL/OVERHEAT LED
Initiates the SystemCheck TEMP/HOT light
If EMM temperature exceeds 212°F (100°C) or
the circuit fails, the EMM:
Activates SHUTDOWN
Stores a service code 29
Flashes EMM NO OIL/OVERHEAT LED
Flashes SystemCheck TEMP/HOT light
The outboard will not restart until
IMPORTANT:
the engine cools below 212°F (100°C )and the
EMM temperature returns to normal. Refer to
SHUTDOWN MODE on p. 103.
If EMM temperature is less than -22°F (-30°C) or
the circuit fails, the EMM:
Stores a service code 24
Initiates EMM NO OIL/OVERHEAT LED
ENGINE MANAGEMENT MODULE (EMM)

SENSORS AND FUNCTIONS

Sensor indicates less than -71°F (-57.4°C) or
greater than 314°F (156.9°C) a sensor circuit fault
is detected and the EMM:
Stores a service code 23
Initiates EMM NO OIL/OVERHEAT LED
55 V Circuit Sensor
Monitors the EMM's 55 V alternator circuit.
If system voltage exceeds 57 volts, the EMM:
Activates S.A.F.E.
Stores a service code 18
Initiates EMM CHARGING FAULT LED
Initiates the SystemCheck
CHECK ENGINE light
If system voltage is below 45 volts with outboard
running 500 to 1000 RPM or is below 52 volts with
outboard running above 1000 RPM, the EMM:
Activates S.A.F.E.
Stores a service code 17
Initiates EMM CHARGING FAULT LED
Initiates the SystemCheck
CHECK ENGINE light
12 V Circuit Sensor
Monitors the EMM's 12 V alternator circuit.
If battery voltage exceeds 15.5 volts, the EMM:
Stores a service code 27
Initiates EMM CHARGING FAULT LED
If battery voltage is below 12 volts with outboard
running 500 to 2000 RPM OR is below 12.5 volts
with outboard running above 2000 RPM, the
EMM:
Stores a service code 26
Initiates EMM CHARGING FAULT LED
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