User's Manual

4.2.4 Control Unit
This option allows you to manually locate a required control system for testing through a series of
choices. Simply follow the menu driven procedure, and make proper selection each time; the program
will guide you to the diagnostic function menu after a few choices you've made.
Available functions may vary by vehicle. The function menu may include:
 System information - displays detailed ECU information. Select to display information screen.
 Trouble codes - contains Read Codes and Erase Codes. The former displays detailed DTC information
retrieved from the vehicle control module, the latter facilitates you to erase DTCs and other data