On Board Diagnostic System, Function

On Board Diagnostic (OBD) system, function
Check preconditions:
^ Power supply and fuses for the particular system O.K.
Electrical Wiring Diagrams, Troubleshooting & Component Locations
^ Connect scan tool VAG1551
^ Switch on ignition

Notes:
^ Malfunctions that occur only for a short time are indicated as "sporadically occurring malfunctions by means of "ISP" on the right in the display.
^ Additional instruction for use can be checked using the HELP button on the VAG1551.
^ The button is used to move one step further in the program sequence.

^ Activate printer using the PRINT button (indicator light in the button illuminates).
^ Press Button 1 for "Rapid data transfer".





Display:
Address word for the self leveling suspension system: 34
^ Press Buttons -3- and -4-.





Display:
^ Confirm the entry using the Q button.