AQS signal, status
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The parameter displays the signal from the air quality sensor (AQS) when the diagnostic trouble code (DTC) was stored. The climate control module (CCM) uses the signal to regulate the damper motor module (DMM) recirculation.
Off = no increase or reduction in pollutant level.
Level 1 = slow increase in pollutant level.
Level 2 = medium increase in pollutant level.
Level 3 = rapid increase in pollutant level.