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Check DTC Memory

NOTE: The vehicle VAG 1552 system tester can be used instead of the VAG 1551 scan tool, however a print-out is not possible.
  1. Connect scan tool. See Figure .
  2. Initiate On Board Diagnostic (OBD). See INITIATING ON BOARD DIAGNOSTIC (OBD)  .
  3. Switch on printer with "PRINT" button (warning lamp in button lights up).
  4. Press buttons "0" and "2" (the function "Check DTC memory" is entered with 02).
  5. Press "PRINT" button.
  6. Confirm entry with the "Q" button. The number of stored DTCs appears in the display. The stored DTCs are displayed and printed out one after the other. If a DTC is recognized:
    • Repair malfunction
    • Erase DTC memory (see )
    • Check DTC memory again.
    NOTE: The DTCs printed out can be repaired with aid of the DIAGNOSTIC TROUBLE CODES (FROM JUNE 2001)  table. The function "Read Measuring Value Block" and Display group overview are additional aids. See READ MEASURING VALUE BLOCK  . The measured value block is divided into 15 display group numbers. The assignment of the individual display zones can be taken from the display group overview.
  7. If "No DTC recognized" is displayed, the program will return to the initial position after pressing the right arrow button.
  8. Press buttons "0" and "6" to end output.
  9. Confirm entry with the "Q" button.
  10. Switch off ignition.
  11. Disconnect connector to VAG 1551 scan tool.
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