Radiator Fan Switch Circuit Troubleshooting (Short)

NOTE: Before beginning this troubleshooting procedure, refer to the symptom troubleshooting index.

1.	Remove the radiator fan relay from the under-hood fuse/relay box, and test it. Is the relay OK? YES - Go to 2. NO - Replace the radiator fan relay.n

2.	Remove the radiator fan switch, and test it. Is the radiator fan switch OK? YES - Go to 3. NO - Replace the radiator fan switch.n

3.	Disconnect the under-hood fuse relay box 20P connector.

Check for continuity between radiator fan switch 2P connector terminal No. 2 and body ground.

RADIATOR FAN SWITCH
2P CONNECTORWire side of
female terminalsGRN

Is there continuity?

YES - Repair short in the wire between radiator fan switch 2P connector terminal No. 2 and under-hood fuse/relay box.n

NO - Replace the under-hood fuse/relay box.n