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2012 Accord Radiator Fan not turning on

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Old Aug 19, 2017 | 06:49 PM
  #1  
derekf's Avatar
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Joined: Aug 2017
Posts: 1
Default 2012 Accord Radiator Fan not turning on

Hi, 2012 Accord, base LX, automatic. 105k miles.

I overheated today in a fast-food drive-thru; had probably been idling for 20 minutes in hundred degree temps before I realized just how hot the engine was getting and shut it off.

Once they gave me my food, I got straight on the highway and as expected, the temps dropped back to the expected range.

When I got home, I popped the hood and checked - the driver's side fan is running (with AC on), the passenger side is not.

Read lots of posts; many were different generations of Honda or not even Honda cars so I am a little lost on where to start troubleshooting.

Assuming the two fans use different fuses and relays, as well as different signals for on/off - which is the fuse/relay this one uses? Is the sensor that controls this fan in the thermostat or was that a different generation?
 
Old Aug 19, 2017 | 08:00 PM
  #2  
redbull-1's Avatar
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Joined: Oct 2010
Posts: 7,099
From: United States
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The passenger side motor is the A/C condenser fan motor. First check to see if under-hood Fuse No. 5 (20A) is blown. If that fuse is not blown, disconnect the fan motor connector and apply direct 12 volt to the motor's red wire, and ground (-) to the motor's black wire to test the motor.

Both fans should run at the same time with A/C on or if coolant temperature is above 206 degrees F.

When the car has sufficiently cooled, also check and top off the radiator and reservoir coolant if needed.
 
Old Aug 2, 2022 | 11:22 AM
  #3  
cocogrove's Avatar
Joined: Aug 2022
Posts: 5
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Did anyone solve this issue? I am having the same one
 
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