Autel AUTOLINK AL529 Manual page 29

 If the scan tool fails to communicate with the vehicle's ECU (Engine
Control Unit) more than three times, a "LINKING ERROR!" message
shows up on the display.

Verify that the ignition is ON;
 Check if the scan tool's OBD II connector is securely
the vehicle's DLC;

Verify that the vehicle is OBD II compliant;

Turn the ignition off and wait for about 10 seconds. Turn the ignition
back to on and repeat the procedure from step 5.
If the "LINKING ERROR" message does not go away, then there might

be problems for the scan tool to communicate with the vehicle. Contact
your local distributor or the manufacturer's customer service
department for assistance.
7) View a summary of system status (MIL status, DTC counts, Monitor
status) on screen. Wait a few seconds or press any key to continue.
Figure 4-2 Sample System Status Screen

If more than one module is detected, you will be prompted to select
a module before testing.

Use the UP/DOWN scroll button to select a module and press the
OK button.
8) Then you will be prompted to erase previously stored data.

Review previously stored data thoroughly before erasing.
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