Checking the Ground Connection On the Black Cable

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.

NOTE: Leave the heater in start mode.

Fig 1: Disconnecting Connector

Courtesy of VOLVO CARS OF NORTH AMERICA.

Raise the car
Remove the two connectors from the wheel arch member
Open both connectors
Release the gray casing on the connector (timer side) for the green and yellow cables.

Fig 2: Identifying 2-Pin Connectors And Wire Colors
Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying Ohmmeter
Courtesy of VOLVO CARS OF NORTH AMERICA.
- Connect an ohmmeter between the black cable terminal in the 2-pin connector (timer side) and ground.

The ohmmeter must read approximately 0 Ω.

OK
Refer to Checking the Voltage In the Red Cable
NOT OK
Refer to Checking For An Open-Circuit