Checking the locking signal from the central locking switch

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition on.

  Read off central locking switch status.

  Depress central locking switch to its locking position.

  The value should be LOW when the central locking switch is depressed to its locking position.

  NOTE: A diagnostic trouble code (DTC) is stored if the central locking switch is held in the locking position for more than 10 seconds with the ignition on.
  Fig 2: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

  Courtesy of VOLVO CARS OF NORTH AMERICA.
  Fig 3: Identifying Central Locking Switch

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Is the value OK? 

• YES 

  Refer to Checking unlocking signal from the central locking switch 

• NO 

  Refer to Checking wiring and connectors