2007 TOYOTA COROLLA COOLING FANS

  • Tiny
  • Adamsssx
  • 2007 Toyota Corolla

Engine Cooling problem
2007 Toyota Corolla 4 cyl Two Wheel Drive Manual 20000 miles

cooling fans run after engine switch off, this setting the alarm off, what can I disable to stop this?

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Monday, February 1st, 2010 AT 7:46 AM

4 Replies

  • Tiny
  • mmprince4000
  • Expert
  • 8,715 posts

Cooling fan relay is stuck, replace it.

The relay is in box in engine compartment and if sticking it should be hot to touch.

Fan switch will also cause fans to run all the time, but will shut off when ign. Is turned off.

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Monday, February 1st, 2010 AT 7:52 AM
  • Tiny
  • Adamsssx
  • Member

Main dealer said it could either motion sensor, voltage sensor, impact sensor or a proximity sensor

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Monday, February 1st, 2010 AT 8:07 AM
  • Tiny
  • mmprince4000
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  • 8,715 posts

The only device that could power the fan with ign. Off is relay.

If you want to disable, pull fuse, which would cut power to relay.

Not sure what dealer is talking about "proximity sensor", "motion sensor", "impact sensor"?

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Monday, February 1st, 2010 AT 8:21 AM
  • Tiny
  • mmprince4000
  • Expert
  • 8,715 posts

Here is wiring circuit, but I am not sure you can read it without enlarging, and there are no "proximity sensors" in diagram :) .

The fan is also in AC circuit.


http://www.2carpros.com/forum/automotive_pictures/108325_cooling_fan_circuit_corolla_1.jpg



Also what engine does it have?

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Monday, February 1st, 2010 AT 8:28 AM

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