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Car fan won't turn on unless AC is on

Tiny
SPEEDY97
  • MEMBER
  • 1997 HONDA ACCORD
  • V6
I have a 1997 Honda Accord and lately it has been overheating. The fan in the car will not come on unless I run the AC but yesterday I was driving on a cool day with the AC on and it still started to over heat so I pulled over and let it cool down. After that, the check engine light came on.
Please let me know if you know of anything that might be causing this so I can get it fixed. Thank you.
P. S. I have already tried replacing the thermostat and it didn't fix it.
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Tuesday, November 24th, 2015 AT 8:44 AM

2 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check fuses in pic and cooling fan relay under hood fuse box. You can switch relay with a like relay for easy test. Check resistance of coolant temp sensor se pic. If that stuff is good jump cooling fan to make sure it works. Then have it scanned for codes as the cooling fan module may not be working.
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Tuesday, November 24th, 2015 AT 9:50 AM
Tiny
SPEEDY97
  • MEMBER
  • 2 POSTS
Thank you
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Wednesday, November 25th, 2015 AT 9:53 AM

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