How to check if a dc motor is working

Discussion in 'General Electronics Chat' started by FREDJAJ, Nov 7, 2014.

  1. FREDJAJ

    Thread Starter New Member

    Nov 7, 2014
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    this is 12v dc motor from VW part how to check it?

    please see attached files
     
  2. MaxHeadRoom

    Expert

    Jul 18, 2013
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    Looks like it is a BLDC if the coils do not rotate, it could be an outrunner.
    Probabally run it with a RC ESC motor controller.
    Max.
     
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  3. Gdrumm

    Distinguished Member

    Aug 29, 2008
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    It looks brand new.
    Since VW's don't have a cooling fan, I'm curious as to what part of the car it goes to, and what kind of problem are you having?

    If it's 12v DC, I would try hooking it up to a battery (but that's me).
    ( I would check a few things with a meter first).
     
  4. Gdrumm

    Distinguished Member

    Aug 29, 2008
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    Oops,
    When looking up BLDC on Wiki, it says it is run off of AC?
    So don't do what I said.
     
  5. FREDJAJ

    Thread Starter New Member

    Nov 7, 2014
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    thanks a lot all of you, actually this motor used in transmission for (mechatronic) hydraulic pumps the TCU burned, but when check the car with scan tool i see there's no voltage in hydraulic pumps so i wanna make sure this motor is cause TCU problem., here's the hydraulic pump and motor.
     
  6. Gdrumm

    Distinguished Member

    Aug 29, 2008
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    This might venture into the AAC Automotive Taboo!
    Have you checked with VW, or a VW Forum?
     
  7. FREDJAJ

    Thread Starter New Member

    Nov 7, 2014
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    i have checked all VW's forums/blogs/groups there's nothing about this motor! only some chinese forums talks about this motor!!o_O
     
  8. alfacliff

    Well-Known Member

    Dec 13, 2013
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    if vw is using an electric motor to dirve the hydraulic pump, thats kind of silly, since theres all that mechanical rotating energy available in there.
     
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  9. MaxHeadRoom

    Expert

    Jul 18, 2013
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    The fact it does not appear to have a commutator and has three power leads seems to indicate a BLDC type motor which looks identical to the RC type, I have a 10yr old car and that has PWM drives to fans and various motors, not sure if they are DC or BLDC though.
    RC outrunner shown.
    Max.
    [​IMG]
     
  10. shortbus

    AAC Fanatic!

    Sep 30, 2009
    4,000
    1,512
    What VW's don't have a cooling fan? Even the oldest Bugs and Busses had a cooling fan, it is in the shroud above the cylinders/crankcase on the far(opposite the drive pulley) of the generator. And pretty sure all of the recent ones are water cooled. :)
     
  11. Gdrumm

    Distinguished Member

    Aug 29, 2008
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    Duh on me!

    I meant a radiator (with cooling fan) like a GM, Ford or Chrysler.

    Thanks
     
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