The current lower mechanical stop changes with the engine´s operation/ wear. An adaption of this must be done when:
An adaption of the throttle control unit (original lower mechanical stop) has been performed.
The throttle control unit has been removed.
The electric power to the engine control unit has been disconnected.
Test prerequisites:
Ignition on, engine off.
The battery voltage should be above 11.5 V.
The throttle pedal should be inactive when the adaption is performed.
The intake air temperature should be at least 6 °C.
Procedure:
Chose the function: Throttle control unit (current lower mechanical stop).
During the adaption, "Adaption running" shows in the adaption status field.
When the adaption has been performed, "Adaption OK" / "Adaption ERROR" is displayed.
The adaption is finished. Exit the function.
Switch off the ignition and wait at least 50 seconds to store the values.