GENERAL
Page GENERAL-26
Z001019/0_7_January 2011
SERVICE MANUAL MARINE ENGINES
ToC
D
General Information
D 1
Electronic Engine Management System
The STEYR Marine engine is equipped with an Electronic Management System (EMS) that
performs the following:
* controls engine functions to ensure maximum efficiency.
* self-diagnostic to protect the engine from damage if operating parameter are exceeded.
* stores diagnostic data of EMS server circuits for maintenance and service.
* stores abuse data
Engine power is reduced if:
Operating Parameter
High engine coolant
temperature
limit exceeded
Defect - engine coolant
sensor or
sensor connection
Exhaust temperature
limit exceeded
Defect - Exhaust
temperature sensor or
sensor connection
Oil pressure below limit
Defect - Oil pressure
sensor or sensor
connection
Insufficient boost
pressure or defective
sensor
Additional
Tool-Readings
Steyr Diag
Power limitation
Steyr Diag
Service code
Steyr Diag
Power limitation
Steyr Diag
Service code
Steyr Diag
Power limitation
Steyr Diag
Service code
Steyr Diag
Power limitation
Panel
Indication
Horn ON 2x p. sec.
Gauge reading >
107 °C
Horn ON 2x p. sec.
Gauge reading >
120 °C
Horn and indication
light "CEL" ON 2x
p. sec.
Horn and indication
light "CEL" ON 2x
p. sec.
Horn continuous and
Oil indication light
continous switched
ON
Oil pressure indication
light switched ON 1x
p. sec.
Effect
noticed
Reduction of
engine speed
Reduction of
engine speed
Reduction of
engine speed
Reduction of
engine speed
Reduction of
engine speed
Reduction of
engine speed
Reduction of
engine speed
Action or
possible reason
See table trouble
shooting:
Cooling system
Sensor or connector
failure; see service
code table
See table trouble
shooting: Raw water
cooling system
Sensor or connector
failure; see service
code table
See table trouble
shooting:
Engine oil system
Sensor or connector
failure; see service
code table
See table trouble
shooting:
Air charge system
Steyr Diag
Service code
Steyr Diag
Service code
Steyr Diag
Service code
No RPM indication
on tachometer
Higher or
unstable idle
speed, limited
performance
No increase of
engine speed if
throttle is moved
to max.
Irregular engine
speed or stalled
engine
See table trouble
shooting:
Speed sensor
See table trouble
shooting:
Accelerator
potentiometer failure
See table trouble
shooting:
Governing system
Engine speed sensor
fault
Engine speed remains
at idle
Governor position
system
Содержание M0114K33
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