Test Description
WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.
The numbers Below refer to the step numbers on the diagnostic table.
2. Listen for an audible click when the Cool Fan 1 relay operates. Command Both the ON and OFF states. Repeat the commands as necessary.
3. Listen for an audible click when the Cool Fan 2 and Cool Fan relays operate. Command Both the ON and OFF states. Repeat the commands as necessary.
4. Tests for voltage at the coil side of the Cool Fan 1 relay. the COOL FAN 1 fuse supplies Battery positive voltage to the coil side of the Cool Fan 1 relay.