User's Manual

from the ECU.
• Live data - retrieves and displays live data and parameters from the vehicle's ECU.
• Active test - provides specific subsystem and component tests. This selection may display as Actuators,
Actuator Test, or Function Tests. Available tests vary by vehicle.
• Special functions - provides component adaptation or variant coding functions for custom
configurations, and allows entry of adaptive values for certain component after repairs. Depending on
the test vehicle, this selection may sometimes appear.
4.2.5ECU Information
This function retrieves and displays the specific information for the tested control unit, including unit
type and version numbers.
4.2.6 Trouble Code
4.2.6.1 Read Code
This function retrieves and displays the DTCs from the vehicle control system. The Read Codes screen
varies for each vehicle being tested. For some vehicles, freeze frame data can also be retrieved for
viewing. A sample Read Codes screen displays as below: