Test condition:
Engine running.
No faults stored.
Engine temperature above 85 °C.
No leaks in the exhaust system.
All electrical loads switched off.
Note:
Used to test the lambda sond after the catalytic converter.
During basic setting, the AC compressor is switched off and the carbon canister valve is closed.
Procedure:
Choose the function. Lambda regulation, probe after catalytic converter
Maintain the engine speed at 2600 rpm.
The diagnostic status field will change from ”Test off” to ”Test on”.
Read off the value columns. Required result: Lambda sond (bank1, sond2) 0.1 to 0.95 V; Lambda compensation value B1-S1/B1-S2 must be lower than 0.02; diagnosis status must change from ”Test on” to System OK!/System not OK!