Preconditions for the test:
Engine idling.
No faults stored.
Engine temperature above 85 °C.
All electrical loads switched off.
Gear selector set to ”P/N”.
Note:
Used to test the lambda probe after the catalytic converter.
Procedure:
Choose the function: Lambda probe after catalytic converter, readiness test.
The diagnostic status field will change from ”Test off” to ”Test on”.
Let the engine idle until the tank ventilation system changes from ”Test on” to ”Syst. OK! / Syst. not OK!”.