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Professional 909X User Manual
This function displays the detailed information of DTC records retrieved from the
vehicle’s control system.
Note: Retrieving and using DTCs for troubleshooting vehicle operation is
only one part of an overall diagnostic strategy. Never replace a part based
only on the DTC definition. Each DTC has a set of testing procedures,
instructions and ow charts that must be followed to conrm the location of
the problem. This information can be found in the vehicle’s service manual.
In Fig. 5-6, tap “Read DTC”, the screen will display the diagnostic result.
Fig. 5-7
On-screen Buttons:
Help: Tap to view the help information.
Code Search: Tap it to search for more information about the current DTC online.
Report: To save the current data in text format. All diagnostic reports can be
accessed from “Data” -> “Diagnostic Report”.
C. Clear Fault Code
After reading the retrieved codes from the vehicle and certain repairs have been
carried out, you can use this function to erase the codes from the vehicle. Before
performing this function, please be sure the vehicle’s ignition key is in the ON
position with the engine off.
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