Preconditions for the test:
Engine idling.
No faults stored.
Engine temperature above 85 °C.
All electrical loads switched off.
Automatic gearbox set to ”P/N”.
Note:
Used for troubleshooting, by switching the lambda regulation on and off.
Procedure:
Choose the lambda regulation function.
It is now possible to alternate between lambda regulation on or off (OFF or ON in the ”Lambda regulation status” field) with the arrows above the value columns.
On completion of basic setting, lambda regulation is activated automatically.