UDST (Urea dosing system test)


In this test, the following information can be obtained:

The test CANNOT give information about:

Note:

When changing pump module or other components that open the circuit in the system the flushing phase shall be performed before other tests can be done.

Do not run more than two tests in a row.

If it is necessary to perform more than two tests the vehicle must first be warmed up until the catalytic converter has reached working temperature.

Test conditions:

Procedure:

  1. Press the "OK" button to start the test.