I am not sure what a "fan sannor" is. If you are talking about the sensor that controls the cooling fans, I believe it is threads into the lower radiator tank. Look for the wires.
On the back of the engine block.
is that even a question
aca21w-0015605 engine no
If you have replaced the relays in your 1997 Toyota RAV 4, the engine cooling fan may not come on when it is supposed to because of a failure in the wiring, the thermostat that sends to the fan, or the fuse for the cooling system.
Either an electric fuel pump or an engine cooling fan. Either an electric fuel pump or an engine cooling fan.
fuse box in engine compartament on drivers side.
If the AC or Defroster is on, many vehicles will also turn on the cooling fan.
It's not supposed to be on. It comes on when engine reaches certain temperature. But if you see that temperature gauge is going in the red area you need to check the fan relay, its fuse, and the temperature sensor.
radiator fan relay number 1 is in Junction block #2 left side of engine compartment. Should be labled under the cover.
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Radiator fan could be bad, fan relay bad, fuse blown. Also if your ECT (engine coolant temperature) sensor is bad the ECM (computer) won't know to tell the fan to turn on.