Checking For Permanent Or Intermittent Faults

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition on.

  Check that the sun roof can be moved to its limit positions.

Can the sun roof be operated? 

• YES 

  Refer to Intermittent Fault 

• NO 

  Refer to Checking For A Short-Circuit