Checking ground terminal #B28

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 OFF Position

Courtesy of VOLVO CARS OF NORTH AMERICA.

Ignition off.
Switch off all equipment that takes power from the battery (courtesy lighting, radio etc.).
Connect control module.

Fig 2: Identifying Ohmmeter
Courtesy of VOLVO CARS OF NORTH AMERICA.
- Connect an ohmmeter between #28 (#B28) on the breakout box and battery negative terminal.
Fig 3: Identifying Motronic 4.4 & Connectors
Courtesy of VOLVO CARS OF NORTH AMERICA.

The ohmmeter should read approximately 0 Ω.

OK
Refer to Reading is OK
NOT OK
Refer to Checking for an open-circuit