Connection procedure:

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 Scan Tool Connected

Courtesy of VOLVO CARS OF NORTH AMERICA.

Ignition off.
Install memory cassette.
Connect Volvo System Tester 9988686 with adapter box 9511457 and wiring 9511460 or 9511458 in the data link connector (DLC) the console in front of the gear selector.
Ignition on.
Power up the Volvo System Tester.
Select language, car, group of functions.
Select system.
Select activity (readout, erase diagnostic trouble code (DTC)s, activate components etc.).