User's Manual

Diagnostics Operations Diagnosis
Control Units
This option allows you to manually locate a required control system for testing
through a series of choices. You simply follow the menu driven procedure, and
make proper selection each time; the program will guides you to the diagnostic
function menu after a few choices you’ve made.
Figure 4-9 Sample Function Menu Screen
The Function Menu options vary slightly by different vehicles. The function
menu may include:
 ECU Information – provides the retrieved ECU information in detail.
Selecting opens an information screen.
 Read Codes – displays detailed information of DTC records retrieved
from the vehicle control module.
 Erase Codes – erases DTC records and other data from the ECM.
 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 appear as Actuators, Actuator Test, or Function Tests,
etc., and the tests options vary depending on the manufacturer and
model.
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