Driver side heated seat
#1
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Apparently my seat heater decided to stop working just as the weather is getting colder here in the east. I have checked the fuse and even went has far to swap out the passenger side heater control module..stil no heat. The switch light comes on but thats it.
Any ideas what to check next?
Any ideas what to check next?
#2
#4
#5
#6
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If you have a multimeter, set it to the Ohms setting. Then clip the two leads terminals. When the switch is on, you should have continuity (the needle moves up). When the switch is off, you should have no movement.
If the multimeter needle never moves no matter what the switch position is, then the switch is dead.
You could also do this procedure at the plug end under the seat but since the power will be on (battery connected and ignition key on) just check to see it you get voltage (do not use the Ohms setting).
Last edited by TheSeeker; 11-10-2010 at 09:42 AM.
#7
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#8
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Should be a couple of plugs under the seat, one for the power seat motor, and another for the heated seat. Not sure but on my BMW there was a 3rd plug for the airbag sensor.
#9
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As sidewalkman said, there will be several plugs underneath the seat. Unplugging them one at a time and seeing what stops working will narrow that down.
The actual voltage won't really matter (I suspect it should be 12V though). You are testing to see if the switch is allowing power to the plug. If you show power (voltage) there at the plug, then you know that everything is OK to that point and it would leave only the heater element as the source of the problem.
The actual voltage won't really matter (I suspect it should be 12V though). You are testing to see if the switch is allowing power to the plug. If you show power (voltage) there at the plug, then you know that everything is OK to that point and it would leave only the heater element as the source of the problem.
#10
#11
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I did one on a Volvo I used to own and I wouldn't care to do it ever again! The seat has to come out, then you have to "un-upholster" the seat to gain access to the inner seat padding. From there it's pretty obvious and straightforward as to how to replace it.
You really do need to check if there's power as close to the seat element as you can possibly get. That will at least eliminate any possibility of it being a plug or wire problem.
You really do need to check if there's power as close to the seat element as you can possibly get. That will at least eliminate any possibility of it being a plug or wire problem.
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