Troubleshooting of high pressure fuel system

This function is used to test the efficiency in the high pressure fuel pump and checks that there are no leaks in the fuel circuit.
Note:
The following components should be checked before the test:
At the end of the test, a dialogue box will show the result. If any of the steps 1-4 shows "Too quick" or "Too slow", check in the vehicles repair manual to see what repairs are needed. If all steps shows "Correct" the whole high pressure fuel system is correct and no action is required.
Test prerequisites:
Procedure:
  1. Press "OK" to start the function.
  2. A dialogue box shows current fuel temperature and water temperature.
  3. When the temperatures is within the correct limits, press "OK" again and the test starts.
  4. When the test is complete, the result is shown in a dialogue box.