Function 02 - Check DTC Memory
General Information
The new seat adjustment with memory generation features On Board Diagnostic (OBD) capability. The control module for seat adjustment with memory is equipped with a DTC Memory.
Malfunctions occurring in monitored components/wiring are stored in DTC memory together with an indication of the type of malfunction.
If any control elements are replaced they must be adapted and a basic setting must be initiated => [ Seat Control Element, Basic Setting ].
On Board Diagnostic (OBD), initiating program
Test requirements:
• Voltage supply and fuses for appropriate systems OK.
• Connecting scan tool (VAS5051) => [ VAS 5051, Connecting ] VAS 5051, Connecting
• Switch ignition on.
• If no display appears, use wiring diagram to check power supply for (VAS5051)
• Additional operating instructions can be called up by pressing the Scan Tool HELP button.
• The next step in the program sequence can be selected by pressing the -> button.
• Incorrect entries can be terminated by pressing the C button..
- Switch on printer by pressing Print button (indicator lamp in button lights up).
- Press button 1 for "Rapid data transfer".
Indicated on display:
Rapid data transfer HELP
Enter address word XX
Function 02 - Check DTC Memory
• DTC information displayed is not updated constantly, but rather only on starting On Board Diagnostic (OBD)/implementing function 05 "Erase DTC Memory."
- Switch on printer by pressing 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.
Indicate on display:
Rapid data transfer Q
02 - Interrogate fault memory
- Confirm entry with Q button.
The number of stored DTCs appears on the display.
X fault detected ->
The stored DTCs are consecutively displayed and printed out.
- Consult Diagnostic Trouble Code (DTC) table with DTC printed out and correct malfunction => [ DTC Tables ].
In the case of "No faults detected", program returns to its start position after pressing the -> button.
No fault detected ->
Indicated on display:
Rapid data transfer HELP
Enter address word XX
If something else is displayed: => Scan tool operating instructions
- Erase DTC Memory (function 05) => [ Function 05 - Erase DTC Memory ].
- End output (function 06) => [ Function 06 - End Output ]
- Disconnect diagnostic connector.