Preconditions for the test:
Engine running.
No faults stored.
Battery voltage above 11.5V.
Engine temperature above 80 °C.
No leaks in the exhaust system.
All electrical loads switched off.
Gear selector set to ”P/N”.
If cruise control is fitted, it must be working properly.
Note:
Used to test the lambda probe after the catalytic converter.
Procedure:
Choose the function: Lambda probe after catalytic converter
Let the engine idle. Press and hold down the brake pedal.
The diagnostic status field will change from ”Test off” to ”Test on”.
Keep the brake pedal pressed down until the diagnostic status field changes from ”Test on” to ”B1-S2 OK/ B1-S2 not OK”.