Radiator Fan Switch Circuit Troubleshooting (Short)

NOTE: Before beginning this troubleshooting procedure, refer to the symptom troubleshooting index. Remove the radiator fan relay from the under-hood fuse/relay box, and test it. Is the relay OK?
YES | - | Go to Step 2 .
NO | - | Replace the radiator fan relay .■
Remove the radiator fan switch, and test it. Is the radiator fan switch OK?
YES | - | Go to Step 3 .
NO | - | Replace the radiator fan switch .■
Disconnect the under-hood fuse relay box 20P connector. Check for continuity between radiator fan switch 2P connector terminal No. 2 and body ground. Is there continuity?
YES | - | Repair a short in the wire between radiator fan switch 2P connector terminal No. 2 and under-hood fuse/relay box.■
NO | - | Replace the under-hood fuse/relay box.■