Preconditions for the test:
Ignition on.
No faults stored.
Battery voltage above 11.5 V.
Engine temperature 5 to 115 °C.
Induction air temperature above 6 °C.
If cruise control is fitted, it must be working properly.
All electrical loads switched off.
Throttle at idling position.
Note:
The basic setting adapts the engine control unit to the EGR valve.
Before adaption of the EGR valve, the throttle control unit must be adapted.
Adaption must be done when:
The throttle control unit or the EGR valve has been removed.
The throttle control unit or the EGR valve has been replaced.
The electric power to the engine control unit has been disconnected.
The engine control unit has been replaced.
Lambda probes, injectors or catalytic converter have been replaced.
Leaks in the induction system have been sealed.
Procedure:
Choose the function: EGR valve.
During adaption, ”Adaption in progress…” shows in the adaption status field.
When adaption has been done, "Adaption OK!" / "Adaption Error" is displayed.
Switch off the ignition for at least 25 seconds to store the new values.