Checking power supply to data link connector (DLC)

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 ON Position

Courtesy of VOLVO CARS OF NORTH AMERICA.

Ignition on.
Connect Volvo Scan Tool (ST) to the data link connector (DLC) and switch on current with switch on adapter box.
Check that the display lights.

Fig 2: Identifying Scan Tool
Courtesy of VOLVO CARS OF NORTH AMERICA.

Does the display light?

YES
Refer to Checking communication with the ABS system
NO
Refer to Checking, power supply, power ground and signal ground