Test of dosing valve


This function is used to determine that injected amount AdBlue matches reference values. The test may only be run if the dosing module has been removed and aimed into a measuring container.

The results for the different positions are reached by opening the dosing valve for varying times and with varying high flows.

The amount of injected AdBlue shall be + / - 10% of the reference value.

Test conditions:

Procedure:

  1. Select desired position and press "OK" to start the test.

    Reference values:

    Injection positionFlow (g/h)Injection time (s)Quantity (g)
    Position 060001220
    Position 1500014,420
    Position 240001820
    Position 330002420
    Position 420003620
    Position 510007220
    Position 650014420
    Position 7600060100
    Position 83000120100
    Position 9500720100
  2. The function is done.

    • If the function fails, check the test conditions and repair any faults.