What happens to the cooling fan on a Toyota Corolla?
When the engine is cold, the Engine Cooling Fan switch (10) is closed. Therefore when the ignition is turned on and the engine is cold, both relays are energized, and the Cooling Fan Motor (9) does not receive any current as the contacts in Radiator Cooling Fan Relay (8) are held open.
Why is the radiator not working on my Toyota Corolla?
If everything else seems on the up and up, the springs in the fan clutch have worn past the point of proper function and can no longer do their job. There are many reasons why your Toyota Corolla’s radiator fan is not working. Of all the ones listed above, start with the coolant level, then check the fuse. After that, the order isn’t so important.
What are the symptoms of a bad cooling fan relay?
1. Engine running hot One of the first symptoms commonly associated with a bad or failing cooling fan relay is an engine that runs hot or overheats. If you notice that your engine is running at higher temperatures than normal, that may be a sign that the relay is not functioning properly.
What is the Green relay on a Toyota Corolla?
The green Relay (the one the guy is calling a “Condensator” ROFL) is the Radiator Cooling Fan Relay (8) and the Grey relay on the top right is the Engine Main Relay (7). Please post your experiences here after trying this diagnostic procedure as well as any additional findings, so others can learn. 91 people found this helpful.
How does the radiator cooling fan relay work?
The contact in the Radiator Cooling Fan Relay (8) is normally closed, so it closes when the relay drops out. This provides a current path to the Cooling Fan Motor (9) and the cooling fan operates.
Why does the radiator fan come on when the car is not running?
On some modern vehicles, an ambient air temperature sensor, vehicle speed sensor, and other sensors may provide input to the car computer to determine radiator fan operation. Consult your vehicle repair manual to check the required sensors and switches. On a warm engine, the fan may come on even if the engine is not running.
Where is the blower motor on a Toyota Corolla?
Find the blower motor easily in a Toyota Corolla. If the air doesn’t increase and decrease with the fan controls, than there is a problem with the blower. Unscrew and remove the glove box assembly. The blower motor is directly behind the glove box. Unplug the electrical connection, unscrew it and remove it.
Where is the air conditioning control panel on a Toyota Corolla?
Find the control panel by prying off the top instrument panel around the air conditioning temperature controls. Press the two fitting tabs in toward one another to release the heater control assembly. Find the blower motor easily in a Toyota Corolla.
Why does my AC Heat fan make a clicking noise?
If your interior AC/ Heat fan (blower motor) is making noise like a card in a bicycle spoke, then you probably just need to clean out the blower motor which is easy and free. Leaves and debris gets in the blower motor and make a clicking noise when the fan hits the leaves.