Checking ground to Volvo Scan Tool (ST)

WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Ignition Switch 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 Replacing adapter box