Active Test / Bi-Directional Control
This ANCEL X7 bidirectional scan tool request information or command a module to perform specific tests and functions. For instance, in the case of OBD II generic information Mode 1, you can initiate a request for information from the powertrain control module, and the PCM responds by sending the information back to the scan tool for display. In addition, X7 scanner have the ability to actuate relays, injectors, coils, or perform system tests, etc.
the supported control modules are but not limited to:
Open/Close the Sunroof
Test Door Lock
Turn on the radiator fan
Test door lock actuators
Turn on interior & exterior lights