Check DTC Memory

• Connecting scan tool. Refer to Scan tool, connecting . Initiating On Board Diagnostic (OBD). Refer to Convenience system, initiating On Board Diagnostic (OBD)  .
• Switch on printer with Print button (warning lamp in button lights up).

Indicated on display:

Rapid data transfer HELP Select function XX

• Press buttons -0- and -2- (the function "Check DTC memory" is entered with 02).

Indicated on display:

Rapid data transfer Q 02 - Check DTC memory

• Press "Print" button
• Confirm entry with the -Q- button.

The number of stored DTC's appears in the display.

X DTCs recognized!

The stored DTC's are displayed and printed out one after the other.

• 1. Repair malfunction
• 2. Erase DTC memory (function 05).
• 3. Check DTC memory again (function 02).

• The DTCs printed out can be repaired with aid of DTC table. Refer to DTC tables, vehicles from 06.01 on  .
• The function "Read Measuring Value Block". Refer to Read measuring value block, vehicles from 06.01 on  and Display group overview: Display group overview, vehicles from 06.01 on  are additional aids.

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. Refer to Display group overview, vehicles from 06.01 on  .

If "No DTC recognized" is displayed the program will return to the initial position after pressing the → button.

No DTC recognized! →

Indicated on display:

Rapid data transfer HELP Select function XX

If something else is displayed:

Refer to Scan tool operating instructions

• Press buttons -0- and -6- to end the output.

Indicated on display:

Rapid data transfer Q 06 End output

• Confirm entry with the -Q- button.

Indicated on display:

Rapid data transfer HELP Enter address word XX

• Switch off ignition.
• Disconnect connector to V.A.G 1551 scan tool.