Full Product Manual

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6 OBD II Diagnostics
The OBD II Diagnostics function is a fast-access option that allows you to
carry out a quick test on the drive train systems of OBD II vehicles.
When more than one vehicle control module is detected by the scan tool,
you will be prompted to select the module where the data may be retrieved.
The most often to be selected are the Power-train Control Module [PCM] and
Transmission Control Module [TCM].
IMPORTANT
Don’t connect or disconnect any test equipment with ignition on or engine
running.
System Status
Select this function to display the system status of the test vehicle, refer to
the following description for the system status of the test vehicle.
 OK – indicates that the monitor being checked has completed its
diagnostic testing.
 INC – indicates that the monitor being checked has not completed its
diagnostic testing.
 N/A – indicates that the monitor is not supported on that vehicle.
Read Codes
Read Codes can be done with the key on engine off (KOEO) or with the key
on engine running (KOER). This function is used to read the detailed
information of a particular diagnostic trouble code for technicians to better
solve the problem.
 To read codes
1) Use UP/DOWN scroll button to select Read Codes from Diagnostic
Menu and press OK.
 If there is not any Diagnostic Trouble Code, the display indicates
“No (pending) codes are stored in the module!” Wait a few
seconds or press any key to return to the previous screen.