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Thread: Jetta 2005 2.5 L lost battery due to a big leak 2A constant.

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    Jetta 2005 2.5 L lost battery due to a big leak 2A constant.

    Hi All.
    This is my first post.
    The Jetta was driven to my driveway the week that was very cold.
    When I tried to start it after 3 days I heard a click with blinking lights.
    I recharge the battery and I tried again my surprised never started again no clicks.
    I measured the leakage to 2.5 TO 3.5 A all the time and they are from 3 fuses Sb 47,48 40A and Sb 2 30A in the engine fuse box, without the fuses I get 30 miliamps perfect.
    I bought the Bentley service manual for the year of the car.
    I carefully found a mistake this people have, they say the red/blk wire from the fuse box in the engine has a +12 v on it from the engine harness.
    I took apart all the connectors and I found this wire is alone and it does not have any voltage.
    I also took the tapes out of the J519 big harness I had no broken wires special the red/blk small wire.
    I gave them my report but I received no answer.
    Now I have a free program VCDS-Lite and a cable from eBay I tried to communicate but the computer failed to connect.
    The car has some intelligence all the doors work and when you open any you see the display of the car corresponding.
    I also do not have any issue with the key service it works.
    If any one has been having this issue I will appreciate the help.
    I need the true vw schematic to see how the car functions.
    For the people who want to install a new radio in this car I have good news it can be done now I have 2017 radio and I can use my phone it works very well.
    Thank you all until the next time

  2. #2
    Benevolent Dictator Uwe's Avatar
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    If you have a Bentley manual, then you have a "true vw schematic". Until 2009, Bentley publishers was the official supplier for repair information in the USA.

    -Uwe-
    The engineering problems are likely insurmountable. It would be like proposing to land a rocket booster section on a barge floating in the middle of the ocean.

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    Quote Originally Posted by Uwe View Post
    If you have a Bentley manual, then you have a "true vw schematic". Until 2009, Bentley publishers was the official supplier for repair information in the USA.

    -Uwe-
    Thank you.
    Uwe you are famous.
    I am a retired engineer and if you have their manual you will see they do not know how this car works for the year 2005 2.5L engine code BGQ.
    Page No. 37/4 you will see J271 controller there is a relay the coil has a connection 89 that goes to the drivers door according to the diagram indication as a ground, there is not such a point I opened the door panel, this is the first mistake it goes to the J519 controller.
    The second mistake is point (60) red/blk wire that goes to D78 and has 12v all the times inside the engine harness there is not anything like this both point 60 and 89 go straight to the j519 controller I have removed all the tapes to see if they were broken.
    How I know this I reaped everything apart and I trace them there neither one has any voltage.
    My fuelpump is not working but with a jumper on J17 contacts it runs good.
    Now you see their full of ignorance and they do not help if you politely ask them for help.
    Page 37/7 J17 fuel relay the coil goes to points 243 and 98 there is not such a thing in the manual I asked them for help no answer.
    Now you know I am on my own.
    If someone had the German prints I would find also how the J519 is wired. their method is for the birds no information.
    Many thanks I like your answer we will find a solution sooner or later for people to learn.
    Peter11742

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    Benevolent Dictator Uwe's Avatar
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    OK, if the Bentley manual has inaccuracies, then I can only recommend erWin, which should let you obtain the correct diagrams by VIN. Please see:

    Where do I get a Wiring Diagram?

    -Uwe-
    The engineering problems are likely insurmountable. It would be like proposing to land a rocket booster section on a barge floating in the middle of the ocean.

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    Quote Originally Posted by Uwe View Post
    OK, if the Bentley manual has inaccuracies, then I can only recommend erWin, which should let you obtain the correct diagrams by VIN. Please see:

    Where do I get a Wiring Diagram?

    -Uwe-
    I thank you for this information.
    I will try later.
    I also will send some pictures with a plug under the fuse box by the engine.
    I also will like to start with Jetta's controller and the software that i have for this.
    Best regards.
    Peter11742

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    Uwe.
    I like to send some pictures from my desktop but I do not know how to do this.
    The option that I see is bring picture from URL?.
    Please help.
    Thanks

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    Verified VCDS User PetrolDave's Avatar
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    Quote Originally Posted by peter11742 View Post
    The option that I see is bring picture from URL?.
    This site doesn't allow upload of pictures.

    You must upload them to a hosting service such as imgur and then paste a link to them using the picture from URL icon you have found.

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  10. #8
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    I am a new user Specific Jetta 2005 2.5 L that died from battery leakage.

    Uwe.
    I wish to had your information one week ago.
    Today I follow your information and downloaded the German manuals.
    I only spend $35.00 for whatever I need for one day.
    My local dealer had the manual that is garbage for $50.00 and additional taxes.
    Big deference now I will proceed understanding the Jetta.
    I hope all the people got this message Uwe saved the day.
    Peter11742

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  12. #9
    Benevolent Dictator Uwe's Avatar
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    Quote Originally Posted by peter11742 View Post
    Uwe.
    I like to send some pictures from my desktop but I do not know how to do this.
    The option that I see is bring picture from URL?.
    Please help.
    Correct. Please see:
    How to Post Pictures.

    -Uwe-
    The engineering problems are likely insurmountable. It would be like proposing to land a rocket booster section on a barge floating in the middle of the ocean.

  13. #10
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    PetroDave.
    Thank you.

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