Replacing of dosing pump for diesel injection on the exhaust side

This function must be performed after a repair of the circuit for diesel injection in the exhaust system (replacement of injectors, dosing pump or fuel line), to bleed the system.
Note:
Note that the engine should be started when you are instructed in the function.
During the function, a manual bleed of the line between the dosing pump and the injection nozzle is required.
Is there still fault codes, that refers to the dosing pump, after the function is completed (P15B7, P15B8, P15B9 or P15BA). Then should the fault codes be erased and the function be run again.
Test conditions:
Procedure:
  1. Start the function.
  2. Follow the instructions in the program.
  3. The function is done.
  4. After completed function, read fault codes.