Where is the fan switch on a car?
The thermo-switch is normally located in the radiator bottom tank, in the thermostat housing, or in the cylinder head . To remove the switch, drain the radiator (See How to flush an engine radiator ) until the coolant is below the level at which it is fitted.
Where is the thermostat plug in a Honda Civic?
Figure 2. Location of thermo switch in a Honda Civic’s thermostat housing. The connector has four holes: two are for the electrical wires of the thermo switch plug and the other two are for the plug’s locking mechanism. Make sure to test the electrical holes and not the locking holes.
Why does my Honda Civic fan not run?
With the jumper attached, the fan should run continuously when the ignition is in the “ON” position. If the fan does not run, this is an indication that the thermo switch is faulty. If this is the case, you will need to replace the thermo switch. Figure 2. Location of thermo switch in a Honda Civic’s thermostat housing.
What does the thermo switch on a Honda radiator do?
If the fan switch relay is giving off the appropriate readings and is in working condition, move on to the next step. The thermo switch (also called the cooling fan switch) sends a signal to the cooling fan, so the fan turns on if the coolant gets too hot.
Where is the coolant temperature sensor on a Honda Civic?
So continue reading to keep the ECT sensor in your Civic working as it should. This article applies to the Honda Civic (1992-2000). Your Honda Civic’s engine coolant temperature (ECT) sensor is located in the front right section of your engine block. The engine control module (ECM) uses this sensor to constantly measure the engine’s temperature.
Figure 2. Location of thermo switch in a Honda Civic’s thermostat housing. The connector has four holes: two are for the electrical wires of the thermo switch plug and the other two are for the plug’s locking mechanism. Make sure to test the electrical holes and not the locking holes.
If the fan switch relay is giving off the appropriate readings and is in working condition, move on to the next step. The thermo switch (also called the cooling fan switch) sends a signal to the cooling fan, so the fan turns on if the coolant gets too hot.
Why is my radiator fan not working on my Honda Civic?
Figure 1. 1999 Civic under-hood fuse box with location of fan relay (circled in red). Another easy way you can check if the radiator fan switch relay is bad is to swap the radiator fan relay with the condenser fan relay. If the radiator fan begins working, this is an indication that the fan relay is bad.
How can I make my Honda radiator fan work?
Place one end of a fused jumper wire on one of the relay’s control terminals. Place the other end of the fused jumper wire on the car’s positive (red) terminal of the battery. Then, touch one end of a regular jumper wire to the other relay’s control terminal. Ground the other end of the regular jumper wire to the vehicle.