Checking the function

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition on.

  Check the sun sensor signal: Vary the intensity of the light that it detects. Cover the sun sensor with your hand to obtain the minimum signal, approximately 0 W/m² .

  Then aim a strong light source (for example a flashlight) at the sun sensor from close range to increase the signal.

  HINT: If the signal from the sun sensor is a steady 200 W/m ²  either there is an open-circuit in the cable or the sun sensor is defective. 

  Click on the VCT2000 symbol to read off the sun intensity.

  Fig 2: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

  Courtesy of VOLVO CARS OF NORTH AMERICA.
  Fig 3: Identifying Sun Sensor

  Courtesy of VOLVO CARS OF NORTH AMERICA.
  NOTE:

  The illustration only shows the method. The appearance of the sun sensor can vary between different models.

Does the value change? 

• YES 

  Refer to Checking connectors and wiring 

• NO 

  Refer to Checking the connector