Xtool E2S User Manual page 22

Read Live Data
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Real-time information about various sensors is called "Live Data". Live Data includes
parameter identifications (PIDs) of the running engine such as oil pressure, temperature,
engine speed, fuel oil temperature, coolant temperature, intake air temperature, etc. Based on
these parameters, we can predict directly where the problem lies, which helps to narrow the
scope of maintenance. For some vehicles, during their actual operation, the problems such as
performance characteristics or sensitivity reduction, can be evaluated using live data.
Click the magnifying glass on the top right, you can search for related PIDs based on
keywords.