Very carefully
The relay is sticking. Replace it.
196-203
Mounted right next to the radiator.
Its on the thermostat housing by the upper radiator hose
turn the a/c on should fire up
Check the cooling fan relay and the control sensor. Check the fuse as well and if these are all good, check the fan motor.
It can be very simple to remove the radiator from a Honda Civic. The first step is to drain the coolant from the radiator. The next step is to disconnect the cooling fan switch and remove the hoses. Then the cooling fan should be removed. Then the radiator should be unbolted and lifted carefully from the vehicle.
Inoperative cooling fan(s) Bad thermostat Bad fan switch sending unit Bad fan relay Blocked radiator cooling tubes (internally)
Blown fuse. Defective fan motor. Defective thermal relay. Wiring problem.
Not enough info - which fan? The passenger cabin blower fan, or the engine radiator cooling fan?
More than likely the cooling fan is not working. Can be a blown fuse, defective fan motor, or defective temperature sensor relay.
There are a couple of reasons why a Honda Civic heater fan is not working. The fan motor may of blown or a fuse needs to be replaced.