Checking the function

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition on
• Check that the value from the air quality sensor is within the permitted range.
  NOTE:

  The blower fan must be running.

  Expose the fresh air intake to windshield washer fluid, gasoline vapor or similar.

  The value should be between 4% and 96%.

  Fig 2: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

  Courtesy of VOLVO CARS OF NORTH AMERICA.
  Fig 3: Air Quality Sensor

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Is this value within its permitted range? 

• YES 

  Refer to Checking the connectors and cables 

• NO 

  Refer to Checking components and wiring