LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Volvo >> 2004 >> XC70 >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 9 (Alarm System, Control Modules, Engine Management Systems - Design And Function) >> Climate Control Module (2001-2004) >> Diagnostic functions >> Frozen values climate control module, description >> Sensor signal, air quality sensor (AQS), status
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Sensor signal, air quality sensor (AQS), status

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2007 Volvo V70, 2006 Volvo V70, 2005 Volvo V70, 2004 Volvo V70, and 2003 Volvo V70. However, it is still accessible from the selected car via links, so may be relevant.

The climate control module interprets the pulse width of the air quality sensor and presents it as different levels.

Off

Level 1

Level 2

Level 3

scientia non olet · About LEMON Manuals