Verification, continued

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 OFF

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Disconnecting Control Unit

Courtesy of VOLVO CARS OF NORTH AMERICA.

Ignition off.
Turn of all equipment in the car that takes power from the battery (the interior lighting and radio etc).
Control module disconnected.
Connect a voltmeter between terminals #A35 (#A35) and #A53 (#A53) on the breakout box. The voltmeter should read battery voltage.

Fig 3: Identifying Breakout Box
Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 4: Identifying Voltage Display
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Were the ground terminal and power supply OK?

YES
VERIFIED: Troubleshooting has been completed.
NO
Refer to Information