2003 xt drivers heated seat not working - Subaru Forester Owners Forum
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post #1 of 10 (permalink) Old 02-01-2013, 11:36 AM Thread Starter
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2003 xt drivers heated seat not working

Hi guys , I have a small problem with my brothers xt drivers heated seat ....the drivers seat hasn't been working so i changed the fuse and checked connection under the seat and the 2 switches in the centre console are illuminated(passenger seat works). We changed the interior for a leather one today because the cloth was looking a bit tatty and the drivers leather seat in the new interior still doesn't work !I can't believe 2 drivers seats wouldn't be working so I must be missing something or just a coincidence that 2 seats don't work ....maybe the connection to the switches in the centre console but they are both illuminated ? will have a look as there must be a wire running off to the drivers side.
One other thing I can think of is that the driver mirror has been replaced with a none heated aftermarket glass ...I seemed to remember somebody saying that this affected their seats but not sure if thats an sg or sf ...remember passengewr side works .
any ideas chaps ?
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post #2 of 10 (permalink) Old 02-01-2013, 12:12 PM
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I think there is sometimes an issue with the connectors under the seat. I'm sure someones mentioned fiddling with the heater connects where they go into the loom under the seat itself.
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post #3 of 10 (permalink) Old 02-01-2013, 12:34 PM
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Is far as I can recall there 2 fuses for the heated seats (ponder)
I'm at work on the phone so can't hunt down to handy
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post #4 of 10 (permalink) Old 02-01-2013, 12:44 PM Thread Starter
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I think that's for an sf not an sg matey....the handbook only marks one 10a fuse number 22 ....as far as I can see anyhow
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post #5 of 10 (permalink) Old 02-01-2013, 01:52 PM
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Put a multimeter across the 12v feed terminals, if you have power then switch it to ohms and test the connection going into the seat, if the ohms read zero the seat is shagged, if you get a reading then it is ok..

160bhp 4EAT Outback.....:raspberry:
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post #6 of 10 (permalink) Old 02-01-2013, 02:25 PM
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If one seat works and the other doesn't, it's most likely an under seat connection or the built in thermal cutout thats failed on the duff seat.


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Was a MY03 FXT 5MT (280bhp/290Lbsft)
Now a MY11 WRX STi 4door (342bhp/360Lbsft)
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post #7 of 10 (permalink) Old 02-02-2013, 01:18 AM Thread Starter
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Put a multimeter across the 12v feed terminals, if you have power then switch it to ohms and test the connection going into the seat, if the ohms read zero the seat is shagged, if you get a reading then it is ok..
Yes matey that was my next thing to do but it got too dark and I needed a bath
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post #8 of 10 (permalink) Old 02-02-2013, 01:40 AM Thread Starter
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if all fails i think this must be the answer.......... How To: Heated Seat Repair and Install
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post #9 of 10 (permalink) Old 02-02-2013, 06:17 AM
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Yes matey that was my next thing to do but it got too dark and I needed a bath
Never ever do auto electrical testing if you have poor personal hygiene or are just generally sweaty

The lights in the switch don't have a bearing on whether the switch is working, they are merely indicators of the switch position. Test the switch itself with the meter. Other than that, as said above, look for 12V power to the seat plug coming up through the carpet but if neither seat works (obviously check them both for continuity) it has to be in the wiring. Are there one or two relays? Do you have 12V at the switch?

If by chance it turns out that the seat heater element is broken, it might be possible once removed to located the break. The filament is just a very fine wire woven into the mat and if you can visually locate it, repair using a similar size wire, twisted and soldered into place is entirely feasible. As a guitar repairer, I have to fix pickups on occasion and these are wound with 40-42 gauge wire which is incredibly thin but once I have wound back far enough to find the break, I can nearly always repair it. Seat heater elements?, no problem.

Scruffy 99 S Turbo. TD04-19T hybrid. DeCat. JGM.
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post #10 of 10 (permalink) Old 02-02-2013, 12:45 PM
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if all fails i think this must be the answer.......... How To: Heated Seat Repair and Install
You'll have fun with those hog ring things

I might have a spare working back rest element in the garage for an SG if you're interested in it
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