MUCAR CS4 Manual Del Usuario página 12

3. Choose the function: click the function to be tested.
Tips: The diagnosis menu varies with different vehicles.
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 person to
quickly identify the cause of the vehicle breakdown.
Tips: Reading the DTC when troubleshooting a vehicle is only a small step in the entire diagnostic
process. Vehicle DTC are for reference only, and parts cannot be replaced directly based on the given
DTC definition. Each DTC has a set of test procedures. The maintenance technician must strictly
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conform to the operation instructions and procedures described in the car maintenance manual to
confirm the root cause of the breakdown.
As shown below, click "Read Fault Code", and then the screen will display diagnostic
results.
Screen buttons:
The freeze frame serves to record some specific data streams at the moment when the
car breaks down. The number is for verification.
is saved in the File module and can be sent to designated e-mail boxes.
Tips: After the report is produced, the technician can take a real-time photo of the vehicle and save it as
a vehicle maintenance file.
C. Clear Fault Code
This function serves to clear the DTC of the ECU memory of the tested system.
Click "Clear Fault Code", and then the system can automatically delete the existing DTC
and pop up the dialogue box saying "DTC successfully cleared".
Note: For general vehicles, please strictly follow the normal sequence: read the DTC , clear it, have a
test run, read the DTC again for verification, repair the vehicle, clear the DTC, and try again to confirm
that the DTC no longer appear.
D. Read Data Stream
This function is majorly used to read and display real-time data and parameters of the car
ECU. Through observing these data streams, maintenance technicians can understand
Freeze frame: If this button is highlighted, it means there is freeze frame information.
Report: Save the current diagnosis result as a diagnosis report. The diagnostic report
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