1.1 CLARIFICATION OF NOTATION
Clarification of notation used within this publication.
Highlights an essential element of a procedure to ensure correctness.
Indicates a procedure or practice, which, if not strictly observed, could
result in damage or destruction of equipment.
Indicates a procedure or practice, which could result in injury to personnel
or loss of life if not followed correctly.
All modules in the DSE3xxx range.
DSE3110 module/controller that senses engine speed using an MPU sensor or
alternator frequency
DSE3110 module/controller that senses engine speed from the CAN connection.
Controller Area Network
Vehicle standard to allow digital devices to communicate to one another.
Diagnostic Message 1
A DTC that is currently active on the engine ECU.
Diagnostic Trouble Code
The name for the entire fault code sent by an engine ECU.
Engine Control Unit/Management
An electronic device that monitors engine parameters and regulates the fuelling.
Failure Mode Indicator
A part of DTC that indicates the type of failure, e.g. high, low, open circuit etc.
Magnetic Pick-Up
A sensor that measures an engine’s speed by detecting movement of the
flywheel’s teeth.
Occurrence Count
A part of DTC that indicates the number of times that failure has occurred.
Parameter Group Number
A CAN address for a set of parameters that relate to the same topic and share the
same transmission rate.
Programmable Logic Controller
A programmable digital device used to create logic for a specific purpose.
Suspect Parameter Number
A part of DTC that indicates what the failure is, e.g. oil pressure, coolant
temperature, turbo pressure etc.
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