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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. Check the No. 36 (10 A) fuse in the under-dash fuse/relay box.

Is the fuse OK?

YES - Go to step 3.

NO - Replace the fuse.

3. Turn the ignition switch ON (II).
4. Measure the voltage between the fan control relay 5P socket terminal No. 5 and body ground.





Is there battery voltage?

YES - Go to step 5.

NO - Repair open in the wire between the underhood fuse/relay box and the under-dash fuse/relay box.

5. 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 (G301). If the wire is OK, check for poor ground at G301.