Preconditions for the test:
Ignition on.
No faults stored.
All electrical loads switched off.
Note:
The basic setting adapts the engine control unit to the EGR valve.
Adaption must be done when:
The EGR valve or the engine control unit has been replaced.
The electric power to the engine control unit has been disconnected.
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.
Required values at adaption: EGR-valve closed 0.3-1.3 V, EGR-valve open 2.9-4.6 V, EGR valve sensor 0.3-4.6 V.