Where is the radiator fan relay located in a Honda?
The radiator fan relay is located in the under-hood fuse box (see the illustrations in the image viewer). The under-hood fuse box is located towards the rear of the engine compartment. The radiator fan relay socket (in the under-hood fuse box) has four female terminals.
Why is my Honda radiator fan not working?
If the radiator fan begins working, this is an indication that the fan relay is bad. 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.
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.
How do you replace a cooling fan relay?
The cooling fan relay has an electrical connector that will need to be disconnected and switched over to the replacement cooling fan relay. Most commonly used connectors are a push type connector. Disconnect connector and remove cooling fan relay. Step 3: Compare the replacement cooling fan relay to the one being removed.
What are the symptoms of a bad radiator fan relay?
Symptoms Of A Bad Radiator Fan Relay. The Basics Of The Radiator Fan Relay. START HERE: The Radiator Fan Motor Relay Tests. TEST 1: Checking The Radiator Fan Relay Power Circuits. TEST 2: Bypassing The Radiator Fan Relay. TEST 3: Bypassing The Radiator Fan Switch. TEST 4: Bench Testing The Radiator Fan Relay. More Honda Accord Test Tutorials.
What happens when you turn off the Honda radiator?
Your temperature gauge will max out (as you’re driving around). Your Honda will not re-start (once it has overheated). Coolant (or water) boiling in the radiator’s overflow tank as the engine runs or when you turn off the engine. Coolant boiling in the radiator’s overflow tank and the radiator fan motor does not activate.
When to turn off the radiator fan on a Honda Accord?
Honda Accord Radiator Fan Motor Basics. The radiator fan is activated only when the radiator fan switch reaches a temperature above 199°F (93°C). Once the coolant temperature decreases below 199°F (93°C), the radiator fan motor turns off.
How can you tell if a fuse has blown on a Honda Accord?
Determine from the chart and, or the diagram on the fuse box lid, which fuse or fuses control that component. Check those fuses first, but check all the fuses before deciding that a blown fuse is not the cause. Replace any blown fuses and check the component’s operation. Turn the ignition switch to LOCK (0).
How to test the radiator fan motor switch?
Bypassing the radiator fan switch . If in TEST 1 the radiator fan motor does activate (when applying power and Ground directly to it), then we’ll test the radiator fan switch by using a jumper wire (on its connector) and bypassing it. TEST 2: Bypassing The Radiator Fan Motor Switch.
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.
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.
Where is the fan switch on the head located for a?
Locate the cooling fan switch near the thermostat housing on the left side of engine behind the distributor assembly. The switch wire colors should be green and black. Some models have two electric cooling fan switches, switch A and switch B. Locate the cooling fan switch near the thermostat housing as follows:
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.