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My two fans wont work and the car heat up some.

Tiny
PSERVIN89
  • MEMBER
  • 1988 TOYOTA COROLLA
My two fans wont work and the car heat up some body told it could be the fan switch were is the fan switch located
Friday, January 4th, 2013 AT 3:16 PM

15 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Were the fans tested and confirmed to be good?
Did you check the fuses and fan relays?
The fan switch is at rear of engine, near thermostat housing.
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Friday, January 4th, 2013 AT 4:12 PM
Tiny
PSERVIN89
  • MEMBER
  • 9 POSTS
The fans are good. Just won't turn on dose the switch have two wires or one. Thank you for answer
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Friday, January 4th, 2013 AT 5:52 PM
Tiny
KHLOW2008
  • MECHANIC
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One wire.
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Friday, January 4th, 2013 AT 6:56 PM
Tiny
PSERVIN89
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  • 9 POSTS
Ok thank you so much you guys are the best
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Friday, January 4th, 2013 AT 7:56 PM
Tiny
KHLOW2008
  • MECHANIC
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You're welcome.
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Friday, January 4th, 2013 AT 7:59 PM
Tiny
PSERVIN89
  • MEMBER
  • 9 POSTS
I try everything but the fans won't turn on n both fans are working good n have n change the box fuse next to bayterry n change he fan switch what do u think is the problem
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Sunday, January 6th, 2013 AT 9:47 PM
Tiny
PSERVIN89
  • MEMBER
  • 9 POSTS
A I fix the problem on the 88 corolla it was the efi relay it was bad. What dose that relay have to do with the fans
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Monday, January 7th, 2013 AT 1:02 AM
Tiny
KHLOW2008
  • MECHANIC
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Are you sure it is the EFI relay?
Which one in diagram?
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Monday, January 7th, 2013 AT 12:30 PM
Tiny
PSERVIN89
  • MEMBER
  • 9 POSTS
Ya it was number 4
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Monday, January 7th, 2013 AT 2:22 PM
Tiny
PSERVIN89
  • MEMBER
  • 9 POSTS
Ya it was number 4 I put new fan1, fan2, fan3 n still didn't want to tur on I hit the fuse box n it turn on then stated to move the wires n the relay switches n wen I moved the efi relay the fans tie on I replace it n they we working fine
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Monday, January 7th, 2013 AT 2:27 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
That is strange because if the EFI relay is fulty, you would not be able to start engine.
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Tuesday, January 8th, 2013 AT 2:35 PM
Tiny
PSERVIN89
  • MEMBER
  • 9 POSTS
That was the problem I took the raley off n the fans turn off then I put the new one n they were working fine.I another problem my brother has 1995 Honda civic wen he turns the car on after 2mnts been on it starts accelerating by it self war could be the problem
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Wednesday, January 9th, 2013 AT 2:31 AM
Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
The idle control or cold start system has a faulty and start with the basics.

Check the coolant level. Ensure hoses to IAC Idle Air Control and FITV (Fast Idle Thermal Valve, this is for cold start to increase the rpm) are not clogged.
Ensure the idle adjust screw has not worked itself loose.
Check for vacuum leaks.
If the MIL is indicating, retrieve the trouble code and let me know what it is.
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Wednesday, January 9th, 2013 AT 1:34 PM
Tiny
PSERVIN89
  • MEMBER
  • 9 POSTS
I fix the problem I have a nother problem 2002 Honda civic turn signal won't work but the hazard dose I check fuses there good wha could it be
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Friday, February 22nd, 2013 AT 11:42 AM
Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Turn signal and hazard lights uses different fuse and if fuses are goos, you need to check the switch and its wiring.
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Thursday, February 28th, 2013 AT 1:12 PM

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