SCR system pressure buildup, test
This function is used to check functionality/leak at the pump and hoses.
The pressure should be built up to about 500 kPa.
Test conditions:
Parking brake applied.
Engine off.
Ignition on.
Adblue in reservoir.
Battery voltage above 20V.
Procedure:
Start the function.
Check conditions.
Select to start or cancel the test.
Check the working pressure while the test is in progress.
The function is done.
If the function fails, check the test conditions and repair any faults.