Operation CHARM: Car repair manuals for everyone.

Reading and Clearing Diagnostic Trouble Codes



Check DTC Memory

NOTE: The displayed malfunction information is not constantly up-dated but only when initiating the On Board Diagnostic (OBD) or with the function 05 "Erase DTC memory."

- Switch on printer with the Print button (indicator lamp in button lights up).

Performing function 02 - "Check DTC memory"

Indicated on display

Rapid data transfer HELP
Select function XX


- Press buttons -0- and -2-.

Indicated on display

Rapid data transfer Q
02 - Check DTC memory


- Confirm input with -Q- button.
- The number of DTCs stored will appear on the display.

If the message "No DTC recognized" is displayed the program can be returned to the starting point by pressing the -> button.

No DTC recognized! ->

Indicated on display

Rapid data transfer HELP
Select function XX


If something else is displayed:
See Scan tool operating instructions
- Erase DTC memory (function 05).
- End output (function 06).
- Disconnect diagnostic connector.