1. Open the fuse box in the engine bay.
2. Locate the fan motor relay.
3. Remove the relay.
4. On the back of the fuse box cover is a diagram of the fuse/relay positions identifying their functions.
5. Use a fuse tester to check the relay. If the relay is blown or damaged, replace it with a new relay.
6. Reinstall the relay and the fuse box cover.