Condenser Fan: Testing and Inspection

Radiator Fan High Speed Circuit Troubleshooting

1. Remove the fan control relay from the under-hood fuse/relay box, and test it.

Is the relay OK?

YES - Go to step 2.

NO - Replace the fan control relay.

2. Measure the voltage between the fan control relay 5P socket terminal No. 5 and body ground.





Is there battery voltage?

YES - Go to step 3.

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

3. Check for continuity between the fan control relay 5P socket terminal No. 2 and body ground.






Is there continuity?

YES - Replace the under-hood fuse/relay box.

NO - Repair open in the wire between the fan control relay 5P socket terminal No. 2 and body ground. If the wire is OK, check for poor ground at G302.