User Manual

Diagnostics Operations Diagnosis
38
 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.
 Special Functions – provides component adaptation or variant coding
functions for custom configurations, and also allows you to reprogram
adaptive values for certain components after making repairs. Depending
on the test vehicle, this selection may sometimes appear as Control
Unit Adaptations, Variant Coding, Configuration or something similar.
NOTE: With the diagnostic toolbar on top of the screen throughout the whole
diagnostic procedures, you are allowed to make various controls of the
diagnostic information at anytime, such as printing and saving the displayed
data, get help information, or perform data logging, etc.
 To perform a diagnostic function
1. Establish communication with the test vehicle via the VCI device.
2. Identify the test vehicle by selecting from the menu options.
3. Select the Diagnosis section.
4. Locate the required system for testing by Auto Scan or through
menu driven selections in Control Units.
5. Select the desired test from the Function Menu.
4.6.1 ECU Information
This function retrieves and displays the specific information for the tested
control unit, including unit type, version numbers and other specifications. The
sample ECU Information screen displays as below: