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4. Locate the required system for testing by Auto Scan or through menu-driven
selections in Control Unit.
5. Select the desired diagnostic function 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.
Figure 4-11 ECU Information Screen
1. Diagnostics Toolbar Buttons — see Table 4-2 Diagnostics Toolbar Buttons on page
24 for detailed descriptions of the operations for each button.
2. Main Section — the left column displays the item names; the right column shows
the specifications or descriptions.
3. Function Button — in this case, only the ESC button is available. Tap it to exit after
viewing.
4.6.2 Trouble Codes
a) Read Codes
This function retrieves and displays the DTCs from the vehicle’s control system.
The Read Codes screen varies for each vehicle being tested. On some vehicles,
freeze frame data can also be retrieved for viewing.
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