Checking the power cable

WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS OF NORTH AMERICA.

Bridge the system relay base terminal 3 to 5 with a piece of electrical cable
Ignition on.
Read off parameter BATTERY.

Fig 2: Identifying System Relay Base Connector Terminals
Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying VCT2000 Diagnostic Tool Symbol In VIDA
Courtesy of VOLVO CARS OF NORTH AMERICA.

The parameter should display battery voltage.

OK
Refer to Verification
NOT OK
Refer to Checking cables