Preconditions for the test:
Engine idling.
No faults stored.
Engine temperature above 85 °C.
No leaks in the exhaust system.
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
Diagnostic status changes from ”Test off” to ”Test on”.
Let the engine idle until diagnostic status changes from ”Test on” to ”B1-S2 OK / B1-S2 not OK”.