Odyssey EX V6-3.5L (1999)
YES - Test the radiator fan motor. If the radiator fan motor is OK, check for an open in the wire between the radiator fan motor connector and
body ground.
NO - Check for an open in the wire between the radiator fan motor connector and under-hood fuse/relay box.
8. Disconnect the jumper wire.
9. Disconnect the radiator fan switch B 2P connector.
10. Turn the ignition switch ON (II).
11. Check for continuity between the radiator fan relay 4P socket terminal No. 4 and radiator fan switch B 2P connector terminal No. 1.
Is there continuity?
YES - Go to step 12.
NO - Check for an open in the wire between the radiator fan switch B connector and under-hood fuse/relay box.
12. Check for continuity between the radiator fan switch B 2P connector terminal No. 2 and body ground.
Is there continuity?
YES - Replace radiator fan switch B.
NO - Check for open in the wire between the radiator fan switch B connector and body ground. If the wire is OK, check for poor ground at G101.
Fan Circuit High Mode
Fan Circuit High Mode Troubleshooting
1. Disconnect the radiator fan switch B 2P connector.
2. Turn the ignition switch ON (II).
3. Measure the voltage between the radiator fan switch B 2P connector terminal No. 1 and body ground.
Is there battery voltage?
YES - Go to step 4.
NO - Go to step 5.