This diagnostic tool LAUNCH X431 V+ supports active test (Bi-directional control) to 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. This LAUNCH X431 V+ also have the ability to actuate relays, injectors, coils, or perform system tests, etc.
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. This LAUNCH X431 V+ also have the ability to actuate relays, injectors, coils, or perform system tests, etc.