Test condition:
Engine running.
No faults stored.
Engine temperature above 80°C.
Intake air temperature below 60 °C.
All electrical loads switched off.
Note:
For test of the diagnosis exhaust feedback system.
Procedure:
Choose the function: Diagnosis exhaust feedback system.
Depress brake- and throttle pedal.
The engine speed will raise and the diagnostic status changes from "Test OFF" to "Test ON".
Maintain engine speed until the diagnostic status changes from "Test ON" to "Syst. OK! / Syst. not OK!".
If the specifications are not attained, interrogate fault memory.
Exit function.