Checking data link connector (DLC) power supply

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.

Ignition off.
Disconnect the Volvo Scan Tool (ST)
Disconnect the data link connector (DLC).

Fig 2: Identifying Connector Terminals
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Fig 3: Identifying Voltmeter
Courtesy of VOLVO CARS OF NORTH AMERICA.
- Connect a voltmeter between data link connector (DLC) terminal 16 and ground.
Fig 4: Identifying Data Link Connector
Courtesy of VOLVO CARS OF NORTH AMERICA.

The voltmeter should read battery voltage.

OK
Refer to Checking power ground to the data link connector (DLC)
NOT OK
Refer to Checking fuse 15