Checking VGLA output

Fig 1: Identifying Ignition On Position

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition on.

  Read off the VGLA OUPUT parameter.

  Fig 2: Identifying VCT2000

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Does VGLA OUTPUT display LOW? 

• YES 

  Refer to Connect breakout box 

• NO 

  Refer to Checking for a short-circuit to supply voltage