Checking ground terminals

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.

Fig 2: Identifying Control Module Disconnected

Courtesy of VOLVO CARS OF NORTH AMERICA.

Switch off ignition.
Switch off all power consumers, such as interior lighting and radio.

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

Fig 4: Identifying Ohmmeter
Courtesy of VOLVO CARS OF NORTH AMERICA.
- Use ohmmeter to measure resistance between battery negative terminal and
- #13 (#A13) on break-out box
- #28 (#A28) on break-out box
- #42 (#A42) on break-out box

Instrument should indicate approx. 0 Ω in all cases.

OK
Refer to Checking the signal cable
NOT OK
Refer to Checking for open-circuit, contact resistance and oxidation