Test condition:
Engine running.
No faults stored.
No leaks in the exhaust system.
All electrical loads switched off.
Coolant temperature at least 80 °C.
The temperature of the catalytic converter at least 200 °C.
Note:
Used to do an age check of the lambda probe after the catalytic converter.
Procedure:
Start the function: Lambda probe after catalytic converter, age check.
Depress brake- and throttle pedal.
The engine speed will raise and the status field will change from "Test OFF" to "Test ON".
Maintain raised engine speed until the status field changes from "Test ON" to "B1-S2 OK" / "B1-S2 not OK".
Test may take several minutes.
If the specifications are not attained, interrogate fault memory.
Exit function.