Read Ecu - Xtool EZ400PRO Manual

live data. This function needs us very familiar with engine parameters, for instance, when idle
speed is 800RPM or 750RPM, coolant operating temperature is between 80～105℃, what are
the operating voltage and time of each sensor and actuator?
Special Functions: depends on vehicle models.
Actuation/Ative/ Components Test: mainly to judge whether these actuating components of
engine are working properly.
4.2.2. Toolbar function buttons descriptions
Function Buttons
Returns to previous interface
Print testing data
Click it to record the data, click again to send your feedbacks to XTOOL after
service center
Record data feedback button as shown below, showing diagnostic software version and
various information in the diagnostic process.

4.3. Read ECU

This function is to read ECU version information, which is the equivalent of "System
Identification" or "System Information" in some electronic control systems, all mean to read
ECU related software and hardware versions, shown as below.
Descriptions
10
EZ400PRO Diagnosis System