Test condition:
Engine running.
No faults stored.
Engine temperature above 80°C.
No leaks in the exhaust system.
All electrical loads switched off.
Automatic gearbox set to ”P/N”.
Note:
This diagnosis is initiated only when the lambda probes and activated charcoal filter system have been tested and are OK.
The basic setting procedure may take a few minutes.
Procedure:
Start the function.
Engine speed 1400-1800 rpm.
The diagnostic status field will change from ”Test off” to ”Test on”.
Test may take several minutes.
Maintain the engine speed until the diagnosis status field shows ”Syst. OK”.
If the specifications are not attained, interrogate fault memory.
Exit function.