Preconditions for the test:
Engine idling.
No faults stored.
Engine temperature above 85 °C.
All electrical loads switched off.
Gear selector set to P/N.
Note:
Used to test the lambda probe heating.
An implausible value is displayed until the lambda probes have reached operating temperature.
Procedure:
Choose the function: Lambda probe heating.
Read the lambda probe 1, bank 1. Prescribed value: Under 0.9 kohm.
Read the lambda probe 2, bank 1. Prescribed value: Under 0.9 kohm.