Checking Combustion Fan Function

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 ON

Courtesy of VOLVO CARS OF NORTH AMERICA.

Ignition on.
Activate combustion fan.
Listen for a buzzing sound which indicates that the combustion fan is running.

Fig 2: Identifying VCT2000
Courtesy of VOLVO CARS OF NORTH AMERICA.

Does the combustion fan function?

YES
Refer to Intermittent Fault
NO
Refer to Checking the Connectors