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Blower motor does not shut off. V70-XC70 2005

posted by  ejeaston on  Fri Aug 20 11:25 CST 2010
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last visit: Mon Aug 23 12:19 CST 2010
[RELATED]

Hello everyone,

My blower motor in my 2005 V70, intermittantly does not shut off. I understand that the fan will stay on to dry off the evaporator. However, it will stay on until the battery is dead. There are no messages in the message center, nor are there any lights on the dash.

Battery is still good, verified w/ local Interstate Battery store.
Discussed w/ local dealer, & they noted that the computer should shut it down before the battery is dead, leaving a start or two in the battery.

1. Is there a way to reset the computer?

2. Where is the drain located? Maybe it is clogged, therefore not allowing the evaporator to dry out?

3. Are there any moisture sensors that could cause this if faulty. If so, anyone know where it is located & how to change?

4. Today the dealer note that it could be the blower motor, which did not make any sense to me, as it is working.

5. I'm new to the car, are there any codes to read, if so, where/what are they. Is there a code reader available? Any recommendations on where to buy?

Appreciate any advice/suggestions,
Thanks,

Jim








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    Blower motor does not shut off. V70-XC70 2005

    posted by  KlausC on  Fri Aug 20 12:16 CST 2010
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    last visit: Fri Oct 24 10:15 CST 2014
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    I hope you have an owner's manual. Page 131-133 lists all of the fuses. Fuse #10 Instrument panel, climate system, power driver's seat (option), Occupant Weight Sensor (US models only) 10A is under the instrument panel area.

    I am not sure if pulling the fuse will re-boot the climate control system, but to try: with key out, pull the fuse. Start car let it run for 2-3 minutes and turn off. Insert fuse and start car.

    There is a fuse just for the blower motor: #3 on the side of the dash area.

    There are no more code readers on the market that I am aware of that can read Volvo specific codes. Normal code readers only handle engine, tranny, and some abs codes.
    Of course, if you have a laptop, there are some pirated software versions availible from China.

    Klaus
    --
    Two great Volvos, a 1967 220 and a 1998 V70R








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      Blower motor does not shut off. V70-XC70 2005

      posted by  ejeaston on  Fri Aug 20 14:52 CST 2010
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      last visit: Mon Aug 23 12:19 CST 2010
      [RELATED]

      Thanks Klaus, just tried it. Interestingly, my wife last drove the car about 2.5 hrs ago & the fan was still running. I removed the fuse under the dash board (#10) which did disable the climate control, but the fan still ran (I did leave fuse #3 in place). After replacing the fuse, the fan did continue to run, but time will tell if it reset the climate control computer.

      Also, after replacing fuse nubmer #10, I did receive a message that the passengger airbag was not functional & the car had to be serviced immediately. I'll let the car decompress overnight, maybe even discharge the battery to let everything reset & hopefully that airbag thing will go away.

      Has anyone ever dealt with Volvo of NA? Any success with them? Will they give idea's or suggestions in these matters?

      Thanks for you help, much appreciated,

      Jim








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        Blower motor does not shut off. V70-XC70 2005

        posted by  KlausC on  Fri Aug 20 16:50 CST 2010
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        last visit: Fri Oct 24 10:15 CST 2014
        [RELATED]

        Too many computers to handle the simple stuff. Part of the #10 fuse was for the passenger weight thing to turn on the airbag if someone is sitting in the passenger seat. No big deal.

        I doesn't hurt to call Volvo NA, but all I ever got was to talk to my dealer.

        You need to talk to your dealer's service manager, not one of the flunkies at the drive in desk. There might be a TSB or TNN about this problem. Don't let them guess by throwing parts at it and running up the bill.

        Klaus
        --
        Two great Volvos, a 1967 220 and a 1998 V70R







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