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Old 03-05-2016, 02:37 PM   #1
Future_Legacy
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Member#: 438187
Join Date: Jan 2016
Default CEL code P1500 cooling fan relay circuit malfunction

My check engine light came on while driving yesterday so I stopped by AutoZone to have them pull the code. I got a P1500 code, cooling fan relay or sub fan relay circuit malfunction.

Has anyone gotten this before or know of a test/fix? The car is a '97 Legacy L 5spd.

Thanks,
Brandon
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Old 03-08-2016, 06:01 PM   #2
Patrick Olsen
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Join Date: Jul 1999
Chapter/Region: AKIC
Location: Where the Navy sends me...
Vehicle:
1997 Legacy 2.5GT
QuickSilver Metallic

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My guess would be that one of the relays has died. About the only other way I could think of getting that code would be a fault in the wiring somewhere, which is less likely.

I'm away from home now, but you should be able to find the fan relays in the fuse box under the hood. I would try swapping the fan relays with other, identical relays, one at a time, to figure out which relay is bad. Maybe just trade the cooling/sub fan relay with the main fan relay and see if the other fan stops working and/or you trigger a code for the main fan.
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Old 03-09-2016, 06:31 PM   #3
Future_Legacy
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Thanks for the reply.

The CEL has been intermittent and has not reappeared for a couple days now. I was out of town and the car sat for 10 days right before this happened. Maybe it just got stuck?
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Old 03-13-2016, 09:33 PM   #4
Patrick Olsen
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Member#: 120
Join Date: Jul 1999
Chapter/Region: AKIC
Location: Where the Navy sends me...
Vehicle:
1997 Legacy 2.5GT
QuickSilver Metallic

Default

That's possible, I suppose, but I would imagine if it didn't it once it'll do it again.
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