Test condition:
Engine running
No faults stored
No leaks in the exhaust system
All electrical loads switched off
Coolant temperature at least 75 °C
Intake air no more than 90 °C
Note:
Used to see Lambda stored values.
Procedure:
Start the function.
Read off additive lambda adaption. Prescribed value -5.4 % to 5.4 %.
Read off multiplicative lambda adaption. Prescribed value -10 % to 10 %.
If the specifications are not attained, interrogate fault memory.
Exit function.