Context when fault appeared: record the live data when fault appeared to help the user to know the vehicle status.
*Some vehicles don't support this function; users will get a prompt when they click the menu.
Current context: Displays the current live data stream associated with the DTC
Additional data: record other data related to the fault
ACTUATION TEST (BI-DIRECTIONAL CONTROL)
Actuation test, also known as bidirectional control, is a generic term used to describe sending and receiving information
between one device and another. This function is used mainly to judge whether these actuating components of the engine
are working properly.
The vehicle engineers responsible for designing computer control systems programmed them so a scan tool could request
information or command a module to perform specific tests and functions. Some manufacturers refer to bidirectional
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