Checking the Air Quality Sensor

Checking the air quality sensor

Checking the function




- Ignition on
- Check that the values from the air quality sensor are within the permitted range.
Soak a cloth in windshield washer fluid. Wipe it in front of the sensor or in front of the fresh air intake for the passenger compartment.
The value must be between 4% and 96% and the OSA- cover must close.

Other information:
- To access and replace the air quality sensor, see Air quality sensor, replacing Service and Repair.









Is the function OK?

Yes - Troubleshooting procedure complete

No - No Fault Found

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