Yanmar CANplus 600 - Glossary of Terms

Yanmar
®
600 Control Panel Operation and Troubleshooting
463-3000-09 Initial - 16-May-2008 33
Glossary
CAN Controller Area Network (also referred to as CANbus); serial communications
protocol for electronic engines use
DTC Diagnostic Trouble Code; the combination of SPN and FMI that identifies a
specific error
ECU Engine Control Unit; electronic device responsible for controlling and monitoring
engine operation
ECM Engine Control Module; an alternate name for the ECU
FMI Failure Mode Identifier; defines the type of failure detected in the subsystem
identified by the SPN
GPS Global Positioning System; a system of satellites and receiving devices used to
compute positions on the earth, used in navigation
J1939 SAE engine data protocol using CAN 2.0B
LCD Liquid Crystal Display; a display technology that uses electric current to align
crystals in a special liquid. When current is applied the crystals change their
orientation creating a darker area.
NMEA National Marine Electronics Association, serial communications protocol for
marine use
RS-232 Standard electrical interface for serial communications
RS-485 Standard differential electrical interface for serial communications
SAE Society of Automotive Engineers; professional association of transportation industry
engineers that sets most auto-industry standards for the testing, measuring, and
designing of automobiles and their components
Soft buttons Push buttons whose function changes according to use
SPN Suspect Parameter Number; a number used to identify a particular element,
component or parameter associated with an ECU
Note
The messages, icons and error codes displayed
conform to J1939 standards wherever possible.
A copy of the relevant standards documents may be accessed and purchased at:
http://www.sae.org/standardsdev/groundvehicle/j1939a.htm