A53 Z0 9 0020 L En Technical documentation
3/ J1939 measures
If a J1939 engine is selected, the module is able to read the following information. They are displayed on 5
pages on the « Display/Engine meters » menu.
To get more information on these measures (unit, accuracy…), see the J1939 norm « SAE J1939-71 ».
Amount of fuel consumed by engine per
unit of time.
The absolute pressure at the inlet of the
gaseous fuel valve
Change in coolant pressure, measured
across the filter, due to the filter and any
accumulation of solid or semisolid
matter on or in the filter.
Change in engine air system pressure,
measured across the filter, due to the
filter and any accumulation of solid
foreign matter on or in the filter.
PARTICULATE_TRAP_INLET
[E2879]
Exhaust back pressure as a result of
particle accumulation on filter media
placed in the exhaust stream
Temperature of combustion by products
leaving the engine
AIR_INLET_PRESSURE
[E2877]
Absolute air pressure at inlet to intake
manifold or air box
Temperature of pre-combustion air
found in intake manifold of engine air
supply system.
Gage pressure of air measured
downstream on the compressor
discharge side of the turbocharger
Temperature of air surrounding vehicle
ATMOSPHERIC_PRESSURE
[E2874]
Absolute air pressure of the atmosphere
INLET_TEMPERATURE
[E2830]
Temperature of air entering vehicle air
induction system
Active Diagnostic Trouble Code
Active Diagnostic Trouble Code
Active Diagnostic Trouble Code
Active Diagnostic Trouble Code
Ratio of volume of liquid found in engine
cooling system to total cooling system
volume
Gage pressure of liquid found in engine
cooling system
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