What does a cooling fan switch do?
When the coolant reaches a specified temperature, this switch turns on the vehicle’s coolant fan, which draws air through the radiator to regulate engine temperature.
How do I know if my fan switch is bad?
The best way to tell if your cooling switch is faulty is to listen to your engine while you drive. You know how your engine is supposed to sound, and if you notice that you don’t hear the fan as often as you normally do during your afternoon commute, you might have a failing switch.
Should my fan switch be up or down?
See that little switch? It changes the direction of the blade rotation. In the winter, you actually want that switch in the up position, and in the summer, it should be in the down position as shown above. In the cooler months, having the blades circulating in a clockwise direction will create an updraft.
What temp should my electric fan turn on?
Your radiator fan should kick in at about 200 degrees Fahrenheit. If you notice your vehicle is overheating or at the very least running hotter than it normally does, listen for the fan to see if you can hear it.
Which way is counterclockwise on a fan?
It breaks down like this:
- Ceiling fan direction summer = counterclockwise (downdraft)
- Ceiling fan direction winter = clockwise (updraft)
When to turn on the cooling fan on a Toyota Camry?
This is normal. 1. CHECK COOLING FAN OPERATION WITH LOW TEMPERATURE (Below 83 C (181 F)) Turn the ignition switch ON. Check that the cooling fan stops. If not, check the cooling fan relay and ECT switches, and check for disconnected connectors or wire breaks between the cooling fan relay and ECT switches.
Where is the ECT switch on a Toyota Camry?
Disconnect the ECT switch No. 1 connector. Connect the terminals on the ECT switch No. 1 connector. Check that the No. 1 cooling fan rotates at a high speed. If not, check the No. 1 cooling fan relay and No. 1 cooling fan. Reconnect the ECT switch No. 1 connector. Disconnect the ECT switch No. 2 connector.
How to troubleshoot electrical wiring in a Toyota Camry?
When the circuit operation is understood, begin troubleshooting of the problem circuit to isolate the cause. Use Relay Location and Electrical Wiring Routing sections to find each part, junction block and wiring harness connectors, wiring harness and wiring harness connectors and ground points of each system circuit.
Why does my Toyota Fan not turn on?
Temperature Sensor. The Toyota’s fan only turns on when the coolant reaches a certain temperature, which is measured by a sensor. This sensor switches the cooling fan off and on as needed. A failed sensor can cause the fan to run excessively or not run when cooling is needed.