Checking ground to Volvo Scan Tool (ST)

Fig 1: Identifying Ignition Off Position

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Connectors

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off.
• Cabling to Volvo Scan Tool (ST) connected to the data link connector (DLC).
• 3-pin connector disconnected from Volvo Scan Tool (ST).

  Connect an ohmmeter between the 3-pin connector terminal 2 (to the data link connector (DLC)) and ground.

  Fig 3: Identifying 3-Pin Connector

  Courtesy of VOLVO CARS OF NORTH AMERICA.
  Fig 4: Identifying Ohmmeter

  Courtesy of VOLVO CARS OF NORTH AMERICA.

The ohmmeter should read 0 Ω. 

• OK 

  Refer to Checking display activation 

• NOT OK 

  Refer to Try a new adapter box