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Radiator Fan Switch Circuit Troubleshooting (Short)

Radiator Fan Switch Circuit Troubleshooting (Short)

'04-05 models

NOTE: Before beginning this troubleshooting procedure, refer to the symptom troubleshooting index. Symptom Related Diagnostic Procedures

1. 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.

2. 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.

3. Disconnect the under-hood fuse relay box 20P connector.
4. Check for continuity between radiator fan switch 2P connector terminal No. 2 and body ground.





Is there continuity?

YES - Repair 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.
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