Test condition:
No faults stored.
Engine temperature above 40°C.
All electrical loads switched off.
Note:
To check the secondary air system.
Under the diagnosis the secondary air pump starts for a few seconds.
Procedure:
Start the function.
Increase the engine speed to 2800 - 3200 rpm.
The diagnostic status changes from ”Test off” to "Test on".
Keep engine speed until the diagnostic status changes from "Test on" to "Syst. OK! / Syst. not OK!" (approx. 60s).
If the specifications are not attained, interrogate fault memory.
Exit function.