Learning AdBlue metering valve
This function is used after any of the following components have been replaced:
AdBlue metering valve (Y129).
The ignition must not be turned off during the function. If the function is cancelled or fails, check fault codes and test conditions.
Test conditions:
Ignition on, engine off.
Battery voltage above 12 V.
Procedure:
Start the function and follow the instructions in the program.