Component Testing
WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
Multifunction Intake Air Sensor
- Test the Intake Air Humidity Sensor by varying the air humidity in the intake duct near the sensor, while observing the scan tool Intake Air Humidity Sensor parameter. The parameter should change and be within 5 - 95%.
- If not within the specified range
Replace the B75C Multifunction Intake Air Sensor.
- Go to next step: If within the specified range
- If not within the specified range
- All OK.