Checking For Permanent Or Intermittent Faults

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS CORPORATION

• Ignition on.

  Check that the sun roof can be operated automatically by pressing the switch 2 steps.

Can the sun roof be operated automatically? 

• YES 

  Refer to INTERMITTENT FAULT 

• NO 

  Refer to CHECKING FOR OPEN-CIRCUITS AND SHORT-CIRCUITS