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3.2.2 System Selection
Choose the system: Click “ECM” (e.g.), and the screen will enter selection interface
3.2.3 Function Selection
Click the function to be tested
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a) Version Information
As shown in the picture, click “Version Information” to read the current version information of the car ECU.
b) Read Fault Code
This function is to read the DTC in the ECU memory, helping maintenance personnel to quickly identify the
cause of the vehicle breakdown.
As shown below, click “Read Fault Code”, and then the screen will display diagnostic results.
Tips: Reading the DTC when troubleshooting a vehicle is only a small step in the entire diagnostic process.
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Each DTC has a set of test procedures. The maintenance technician must strictly conform to the operation
instructions and procedures described in the car maintenance manual to confirm the root cause of the
breakdown.
