Test condition:
Engine running.
No faults stored.
Engine temperature above 80°C.
Intake air temperature below 60 °C.
No leaks in the exhaust system.
All electrical loads switched off.
Gear selector set to P/N.
Note:
To check the secondary air system.
Procedure:
Start the function.
Increase the engine speed to 2000-2200 rpm.
The secondary air system 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.