Fault symptoms

WARNING: This page is about a different car, the 2001 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.

Cars with 1-speed radiator fan:

Fan runs continuously (also with ignition OFF).
Battery is discharged.
Radiator fan not working, can lead to engine overheating.

Cars with 2-speed radiator fan:

Fan runs at low speed continuously (also with ignition OFF).
Battery is discharged.
Radiator fan operates only at high speed, which may lead to increased engine temperature.