This function is used to reset adaptation values for EGR-valve when it is to be replaced. The function must be run before replacing the EGR-valve, when the engine is started new adaptation values will be stored in the control unit.
Test conditions:
Ignition on, engine off.
No faults in the system.
Procedure:
Start the function.
Adaptation values are reset in the control unit.
Replace the EGR-valve.
Start the engine and let it idle for a few minutes to teach in new adaptation values.
The function is done.
If the function fails, check the test conditions and repair any faults.