This function is used to check the proportional valve's function.
The difference between requested current and actual current should not exceed 5 mA.
0% = 0 mA
50% = 212 mA
100% = 425 mA
Test conditions:
Engine off, ignition on.
Parking brake applied.
Battery voltage above 20V.
Procedure:
Start the function.
Select degree of opening for the valve.
Check the difference between requested and actual current.
The function is done.
If the function fails, check the test conditions and repair any faults.