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X-431 PRO3 User Manual
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Fig. 5-32
E. Actuation Test
This option is used to access vehicle-specific subsystem and component tests.
Available test vary by vehicle manufacturer, year, and model.
During the actuation test, the X-431 PRO3 handset outputs commands to the
ECU in order to drive the actuators, and then determines the integrity of the
system or parts by reading the ECU data, or by monitoring the operation of the
actuators, such as switching a injector between two operating states.
In Fig. 5-24, tap “Actuation Test”, the system will display as follows:
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