Checking control module ground lead

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.
Connect an ohmmeter between breakout box terminal #54 (#8) and ground.

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

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

The ohmmeter should display approximately 0 Ω.

OK
Refer to Checking engine alternatives
NOT OK
Refer to Checking for an open-circuit