Cooling Fan Controls Symptom Troubleshooting Index Civic

Cooling Fan Controls Symptom Troubleshooting Index

NOTE: Do an all DTC check with the HDS, and troubleshoot any DTCs first before following the repair procedures listed in the index- Symptom

Diagnostic Procedure

Also check for

Engine overheats

1- Check the coolant level- 2- Check for any engine coolant leakage (from gaskets, hoses, O-rings, etc.)- 3- Check for dirt, leaves, or insects on the radiator and the A/C condenser- 4- Check for deteriorated coolant- 5- Check for a damaged or deformed fan shrouds- 6- Check the RFC unit is operating properly (air should be blowing toward the engine)- 7- Check the expansion tank cap- 8- Check the thermostat- 9- Check for plugged or deteriorated radiator hoses- 10- Check for a plugged heater core or hoses- 11- Check for a damaged cylinder head gasket- Check the RFC unit is operating properly.

See also:
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