Test condition:
Engine idling.
No faults stored.
Engine temperature above 80°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:
Choose the function: Secondary air system.
Press the throttle pedal short to at least 2500 rpm.
The diagnostic status changes from ”Test off” to "Test on".
Let the engine idle 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.