Test condition:
Engine running.
No faults stored.
Coolant temperature above 80 °C.
No leaks in the exhaust system.
All electrical loads switched off.
Automatic gearbox set to ”P/N”.
The temperature of the catalytic converter at least 352 °C.
Note:
The basic setting procedure may take a few minutes.
Significance of three digit number block:
1xx Lambda probe heating on.
x1x Lambda probe operationally ready.
xx1 Lambda regulation active.
Procedure:
Start the function.
For vehicles to 04.01:
Raise engine speed to 1800-2200 rpm.
For vehicles from 05.01:
Depress brake- and throttle pedal.
The engine speed will raise by the engine control module to 1800-2200 rpm.
Check cycle duration, target values:
Field 1: 111
Field 2: 110
If the specifications are not attained, interrogate fault memory.
Exit function.