Checking the Ground Lead For the Heater

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 Connector

Courtesy of VOLVO CARS OF NORTH AMERICA.

Ignition off
Remove the 2-pin connectors from the wheel arch member
Separate the connectors.

Fig 3: Identifying 2-Pin Connectors And Wire Colors
Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 4: Identifying Ohmmeter
Courtesy of VOLVO CARS OF NORTH AMERICA.
- Connect an ohmmeter between the black cable and ground on the connector to the blower fan.

The ohmmeter should read approximately 0 Ω.

OK
Refer to Checking the Power Supply To the Heater .
NOT OK
Refer to Checking For An Open-Circuit