Honda Fit/Jazz - Radiator Fan Circuit Troubleshooting
Radiator Fan Circuit Troubleshooting
1. | Check the No. 10 (20A) fuse in the under-hood fuse/relay box, and the No. 22 (15A) fuse in the under-dash fuse/relay box. Is the fuse (s) OK? YES - Go to 2. NO - Replace the fuse (s) and recheck.n |
3. | Measure the voltage between the No. 2 terminal of the radiator fan relay 5P socket and body ground. Is there battery voltage? YES - Go to 4. NO - Replace the under-hood fuse/relay box.n |
4. | Connect the No. 1 and No. 2 terminals of the radiator fan relay 5P socket with a jumper wire. Does the radiator fan run? YES - Go to 5. NO - Go to 6. |
5. | Disconnect the jumper, and turn the ignition switch ON (II). Check for voltage between the No. 5 terminal of the radiator fan relay 5P socket and body ground. Is there battery voltage? YES - Go to 9. NO - Check for an open in the wire between the under-hood fuse/relay box and under-dash fuse/relay box.n |
6. | Disconnect the radiator fan motor 2P connector. |
7. | Check for continuity between the No. 1 terminal of the radiator fan relay 5P socket and the No. 2 terminal of the radiator fan motor 2P connector. Is there continuity? YES - Go to 8. NO - Repair open in the wire between the under-hood fuse/relay box and the radiator fan motor 2P connector terminal No. 2.n |
9. | Reinstall the radiator fan relay. |
10. | Disconnect the radiator fan switch 2P connector. |
11. | Connect the No. 1 and No. 2 terminals, of the radiater fan switch 2P connector with a jumper wire. Does the radiator fan run? YES - Replace the radiator fan switch.n NO - Go to 12. |