Checking 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 ON

Courtesy of VOLVO CARS OF NORTH AMERICA.

Ignition on.
Connect a voltmeter between #11 and #3 on the breakout box.
The voltmeter should read approximately 0 V.

Fig 2: Breakout Box
Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying Voltage Display
Courtesy of VOLVO CARS OF NORTH AMERICA.

Does the voltmeter read approximately 0 V?

YES
Refer to Intermittent Fault
NO
Refer to Checking Supply Circuit