Why is the fan not working on my Honda Pilot?
When the fluid stops moving its higher temperature saturation when stopped (think holding your hand under hot water versus waving it through), this keeps the fan switch activated for a few minutes until the coolant temperature in the radiator drops enough to open the fan switch I had same problem with my 2007 Honda Pilot about a year ago.
How to test if a Honda radiator fan is working?
Here is how to test if the fan is functioning properly: 1 Unplug the radiator fan connector. 2 Run jumper wires between the connector’s two electrical terminals. See Contact Test in Step 1. 3 If the fan does not turn on, you will need to replace it.
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.
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.
Where is the relay on a radiator fan?
The fan relay is often located in the engine bay’s fuse box, but the best way is to check your repair manual to find where it is located. Testing a 4 pin relay is often very straightforward. Remove the relay and give 12 volts to pin 30 and 85. Ground pin 86 and check if there is voltage coming out from pin 87.
Why does my radiator fan run after I shut off the engine?
It’s perfectly normal for an electric fan to run for just a few minutes after shutting down the engine. It does this because the internal temperature of the radiator increases after you shut off the motor due to the water pump stopping when the engine does.
How can I tell if my radiator fan is working?
When a radiator fan works it usually makes a whirring sound that is easily noticeable. However, the radiator fan does not always start spinning on ignition. The ECU signals the radiator fan to work at the precise time. So, do not worry if the fan doesn’t immediately start working. Visually check the fan if you don’t hear its noise. 1. Broken Fuse
What to do if your Honda cooling fan is not working?
There is a box behind the front right tire on the frame with 2 single wires (White and ?) with a connector with several wires in it coming out the top of the box. Take the single white wire and a few inches out of the box is a bullet connector. Take it apart there and put a ground wire in there and plug it back together.
Where is the cooling switch on a Honda Accord?
The cooling fan switch in your Accord is located on the thermostat housing (see Figure 2 and 4). It controls both fans only when the key is in the “ON” position, but the engine is not running. Check if the cooling fan switch is working properly, and that there is no sign of wear or faultiness.
Why does my Honda Accord fan keep running?
If this happens to your Accord, you might have a problem that needs fixing. The common culprits are the temperature sensors (your car has two), which are the fan switch and the fan timer module. This article will discuss the three reasons why your fan might continue to run, even after the car is shut off.
Where is the fan timer on a Honda Accord?
This module location is primarily for the early model Honda Accords (1990-1993). For later models, it is located on the passenger’s side by the glove box. If previous steps did not resolve the issue, this is most likely the cause. The fan timer module will run you around $30, and is a simple DIY task.