This function reads the status of the EGR valve and is used to check its functionality. The EGR valve status will be displayed in a list with status number.
Test prerequisites:
Ignition on or Engine on.
Coolant temperature > 80 °C.
List parameters:
Use this list to compare the presented value.
STATUS: None
No EGR cut-off, the EGR valve is working properly in accordance with the computer programs.
STATUS: 1, 5, 6, 7, 9, 10, 12, 13, 15, 19, 23, 24
Switch off the ignition and wait 1 minute. Switch the ignition on and check for faults. Check the engine battery voltage with the engine switched off and the engine running. If no faults are present or stored, restart the vehicle and test at idle speed. Do not accelerate too much and reach an engine speed that is too high.
STATUS: 3, 14, 16
Accelerate above idle speed for a few seconds.
STATUS: 2
Check that the clutch pedal is not pressed and that the vehicle has stopped completely.
STATUS: 4, 17
Test the present and stored faults and repair.
STATUS: 8
Reset the EGR offsets by referring to the interpretation of command “Reinitialise programming” and select “EGR valve”.
STATUS: 11, 22
Allow the engine to heat up until this cut-off disappears.
STATUS: 18
Check that the regeneration of the particle filter in progress has completely finished.
STATUS: 20
Allow the engine to cool until this cut-off disappears.
STATUS: 21
Too low atmospheric pressure, the EGR valve is disabled.