Evinrude E-Tec 40 HP, Service Manual

Page: 58 / 426

56
ENGINE MANAGEMENT MODULE (EMM)
INTERNAL SENSORS
INTERNAL SENSORS
Sensor inp uts and inte rnal
EMM
contro llers are
used to control outboard operation. Use
Evinrude
Diagnostics
software to troubleshoot the sensors.
Refer to t he
EMM Service Code Chart
at the
back of this manual for a comp lete list of all
engine fault codes.
Internal sensors are NOT serviceable. Re pro-
gramming or replacement ma y be required to
resolve internal
EMM
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:
If
EMM
temp erature excee ds 212°F (100 °C) or
the circuit fails, the
EMM
:
IMPORTANT:
The outboard will not restart until
the en gine co ols be low 2 12°F (1 00°C)and the
EMM
temperatu re returns to normal. Re fer to
SHUTDOWN MODE
on p. 62.
If
EMM
temperature is less tha n -22°F (-30°C) or
the circuit fails, the
EMM
:
If sensor read s less than -71°F (-57 .4°C) or
greater than 313 °F (156°C), a senso r circuit fault
is detected and the
EMM
:
55 V Circuit Sensor
Monitors the
EMM
’s 55 V alternator circuit.
If system voltage exceeds 57 volts, the
EMM
:
If system voltage is less than 45 V, the
EMM
:
12 V Circuit Sensor
Monitors the
EMM
’s 12 V alternator circuit.
If battery voltage exceeds 15.5 volts, the
EMM
:
If battery voltage is less than 12.5 V, the
EMM
:
Activates
S.A.F.E.
Stores service code 25
EMM
LED 4: ON (Running)
Engine Monitor TEMP display: ON
Activates SHUTDOWN
Stores service code 29
EMM
LED 4: FLASHING
Engine Monitor TEMP display: FLASHING
Stores service code 24
EMM
LED 3: OFF (Cranking)
EMM
LED 3: ON (Running)
Stores service code 23
EMM
LED 3: OFF (Cranking)
EMM
LED 3: ON (Running)
Activates
S.A.F.E.
Stores service code 18
EMM
LED 1: ON (Running)
Engine Monitor CHECK ENGINE display: ON
Activates
S.A.F.E.
Stores service code 17
EMM
LED 1: ON (Running)
Engine Monitor CHECK ENGINE display: ON
Stores service code 27
EMM
LED 1: ON (Running)
Engine Monitor LOW BATTERY display: ON
Stores service code 26
EMM
LED 1: ON (Running)
Engine Monitor LOW BATTERY display: ON