Volvo C30 2007 Service And Repair Manual page 397

Carry out a performance test on the air quality sensor (AQS). See: AIR QUALITY SENSOR, CHECKING.
AIR QUALITY SENSOR, CHECKING
NOTE: The illustrations in this service information are used for different model years
and/or models. Some variation may occur. However, the essential information in
the illustrations is always correct.
PREPARATORY WORK
PREPARATORY WORK
Remove the cowl. See PLENUM CHAMBER .
CHECK
CHECKING AIR QUALITY SENSOR (AQS)
Fig. 31: Identifying Air Quality Sensor (AQS)
Courtesy of VOLVO CARS CORPORATION
Start the car with the climate control system automatic button in the ON position.
2012 Volvo C30 T-5
HVAC Climate Units - Removal, Replacement And Installation