INTERNAL SENSORS
Sensor inputs and internal EMM controllers are used to control outboard operation. Use Evinrude Diagnostics software to troubleshoot the sensors. Refer to the EMM Service Code Chart at the back of this manual for a complete list of all engine fault codes.
Internal sensors are NOT serviceable. Reprogramming 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 service code 25 |
| EMM LED 4: ON (Running) |
| Engine Monitor TEMP display: ON |
If EMM temperature exceeds 212°F (100 °C) or the circuit fails, the EMM:
| Activates SHUTDOWN |
| Stores service code 29 |
| EMM LED 4: FLASHING |
| Engine Monitor TEMP display: FLASHING |
IMPORTANT: The outboard will not restart until the engine cools below 212 °F (100°C) and the EMM temperature returns to normal. Refer to SHUTDOWN MODE on p. 63.
If EMM temperature is less than -22°F (-30°C) or the circuit fails, the EMM:
| Stores service code 24 |
| EMM LED 3: OFF (Cranking) |
| EMM LED 3: ON (Running) |
If sensor reads less than -67°F (-55°C) or greater than 31 1°F (155°C) a sensor circuit fault is detected and the EMM:
| Stores service code 23 |
| EMM LED 3: OFF (Cranking) |
| EMM LED 3: ON (Running) |
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 service code 18 |
| EMM LED 1: ON (Running) |
| Engine Monitor CHECK ENGINE display: ON |
If system volt age is less than 45 V between 5 00 and 1000 RPM, or is less than 5 2 V above 10 00 RPM, the EMM:
| Activates S.A.F.E. |
| Stores service code 17 |
| EMM LED 1: ON (Running) |
| Engine Monitor CHECK ENGINE display: ON |
12 V Circuit Sensor
Monitors the EMM’s 12 V alternator circuit.
If battery voltage exceeds 15.5 volts, the EMM:
| Stores service code 27 |
| EMM LED 1: ON (Running) |
| Engine Monitor LOW BATTERY display: ON |
If battery volt age is less than 12 V below 20 00 RPM, or is less than 12.5 V above 2000 RPM, the EMM:
| Stores service code 26 |
| EMM LED 1: ON (Running) |
| Engine Monitor LOW BATTERY display: ON |
5 V Circuit Sensor
Monitors the EMM’s 5 V sensor circuit.
If sensor voltage is less than 4.75 volts, the EMM:
| Stores service code 78 |
| EMM LED 3: OFF (Cranking) |
| EMM LED 3: ON (Running) |
Barometric Pressure Sensor
Supplies the EMM with barometric pressure reading to compensate for changes in altitude and air density.
If the BP sensor reads less than 13 KPa or greater than 119.0 KPa, or the sensor or circuit fails, the EMM:
Stores service code 44
If the BP sensor reads less than 70 KPa, the EMM:
Stores service code 45
If the BP sensor reads greater than 105 KPa, the EMM:
Stores service code 46
Exhaust Pressure Sensor
The exhaust pressure sensor monitors exhaust pressure during all running conditions to compensate for engine loads.
If the sensor reads less than -85 in. water, or greater than 85 in. water , or the sensor or circuit fails, the EMM:
| Stores service code 87 |
| EMM LED 3: OFF (Cranking) |
| EMM LED 3: ON (Running) |
If exhaust pressure is less than 40 in. water, the EMM:
| Stores service code 88 |
| EMM LED 3: OFF (Cranking) |
| EMM LED 3: ON (Running) |
If exhaust pressure is greater than 80 in. water, the EMM:
| Stores service code 89 |
| EMM LED 3: OFF (Cranking) |
| EMM LED 3: ON (Running) |
