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Prius Gen 2 a/c blower blockage?

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by OxfordPrius, Aug 12, 2016.

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  1. OxfordPrius

    OxfordPrius Junior Member

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    Today the flow rate of the air out of the vents on my Prius has noticeably dropped.

    It makes no different which vents I select (front, feet, or windscreen).

    The blower seems fine - it's still making its normal noise.

    The air still blows out nice and cold, there just isn't much of it coming out, even on full blast.

    I've pulled the cabin air filter and checked it's not clogged, so it seems like there must be a blockage downstream of the blower.

    Does anyone have any experience/ideas?
     
    #1 OxfordPrius, Aug 12, 2016
  2. JC91006

    JC91006 Senior Member

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    which vents are affected? Can you notice the difference from low speed and high speed settings? You can see the operation of the blower fan with the cabin filter out, see if it's spinning faster at the high speed settings
     
    #2 JC91006, Aug 12, 2016
  3. bisco

    bisco cookie crumbler

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    could be the fan speed ecu.
     
    #3 bisco, Aug 12, 2016
  4. Mendel Leisk

    Mendel Leisk EGR Fanatic

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    Hopefully, not:

    upload_2016-8-12_9-50-23.png
     
    #4 Mendel Leisk, Aug 12, 2016
    bisco likes this.
  5. cyberpriusII

    cyberpriusII Prodigyplace says I'm Super Kris

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    [​IMG]
    How did Bisco get in there....
    But, seriously, probably already checked, but at times, lots of leaves, debris cover over the intakes along the bottom of the windshield on the outside of the car. You can open the hood and vacuum all that stuff off.
     
    #5 cyberpriusII, Aug 12, 2016
    Mendel Leisk and bisco like this.
  6. 'LectroFuel

    'LectroFuel Senior Member

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    This seems to be an ongoing problem with the gen 2. My blower fried two months ago. It would occasionally turn on if I hit a bump in the road.:ROFLMAO:
     
    #6 'LectroFuel, Aug 12, 2016
  7. Fakhar87

    Fakhar87 Junior Member

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    Dear all i have bought 2007 prius 2 days ago. I have encoutered a problem relating to air vents.whenever i try to shift from face air vents to floor or windshield air vents the only air comes from the front air vents and also turning on the defoggers both windshield and back mirror no air comes out from their corresponding air vents. Someone told me that it is a most common problem with prius gen 2
     
    #7 Fakhar87, Sep 21, 2019
  8. dolj

    dolj Senior Member

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    I don't know about a most common problem, but it is a known fault. It is to do with the failure or incorrect operation of the servo motor(s) that control the air direction flaps.

    Unfortunately, depending on which are involved, can be difficult to repair.
     
    #8 dolj, Sep 22, 2019
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