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Thread: TD5 Wont start

  1. 30th September 2012, 08:01 PM #1
    bitdist
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    TD5 Wont start

    I was checking a few things this afternoon on the defender and it was idling along fine. I turned it off and then a few minutes later went to start it up again and it turns over fine, gives a little kick as if it is going to start and then nothing.... keeps turning over. If I turn it off again and then on again it will do the same thing, give a little kick then nothing, just turning over via the stater motor.

    Battery is fully charged
    tried disconnecting the battery to reset CPU for 10 minutes
    Fuel pump sounds fine
    Fuel filter changed a couple of weeks ago

    I connected Nanocom and the only fault of any relevance maybe was " 28-07 topside switch failed pre injection" Googling around this does not seem to be a very nice code to have, but I cleared it and it has not come back at all

    What is the thoughts out there...
    CPU cactus
    what about crank angle sensor (where is it and how to test??)

    Any other wisdom

    cheers

    Tim
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  2. 30th September 2012, 08:33 PM #2
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    LandyAndy
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    Crank angle sensor is on the belhousing,right hand(drivers) side.I would try replacing that before you get too worked up.I carry one in my D2 just in case,then again I also carry a spare ECU.
    GOODLUCK
    Andrew
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  3. 1st October 2012, 07:39 AM #3
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    djam1
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    Nice cheap TD5 Defender ECU on ebay at the moment
    The listing doesnt say but its not an NNN ECU so if your Defender predates 2001 it should be fine.
    I suspect the topside injection error is terminal
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  4. 1st October 2012, 08:52 AM #4
    bitdist
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    Quote Originally Posted by djam1 View Post
    Nice cheap TD5 Defender ECU on ebay at the moment
    The listing doesnt say but its not an NNN ECU so if your Defender predates 2001 it should be fine.
    I suspect the topside injection error is terminal
    Thanks for the tip.
    I just replaced the crank angle sensor but its not that.
    Now to look on Ebay!
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  5. 1st October 2012, 09:30 AM #5
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    djam1
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    http://bit.ly/R5F18O

    Here you go
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  6. 1st October 2012, 09:46 AM #6
    bitdist
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    Bought !

    Even if for some reason it turns out to be something else it will make a good spare for remote trips.

    Hope that is what is is though.....
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  7. 1st October 2012, 05:42 PM #7
    bitdist
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    Update....

    It isn't the ECU, but I started having a good look around with Nanocom and it says
    "ECU is immobilized"

    Even though:
    1. there is no light on at the dash
    2. I have told it to learn the security code which it says it does sucessfully
    3. Pressed the inertia switch (but it cant be that as the fuel pump still works)
    4. Tried resetting the security to the 3 Australian versions
    5. Disabled everything I can on the setting page of the security


    Any other ideas
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  8. 1st October 2012, 06:04 PM #8
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    LandyAndy
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    Have you checked for oil in the harness???
    Also Check the connector at the lh front of the head for oil,where the loom plugs into the injector loom.
    Clean it with metho spirits or CO spray if any signs of oil.
    Any chance its been miss-fueled with petrol??? They dont like starting on petrol,the pump will sound noisier than normal.
    Andrew
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  9. 1st October 2012, 06:20 PM #9
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    bob10
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    From my RAVE cd, the ckp is fitted on the transmission housing with its lip adjacent to the outer circumference of the flywheel.
    If it fails;
    engine cranks but fails to start
    mil light remains on all the time
    engine may misfire, [incorrectly fitted ckp]
    engine rough or stalls[ incorrectly fitted ckp]

    There is no back up for the ckp, if it fails, engine stops and will not start.
    Mate,I 'm certainly not an expert, but I can highly reccommend buying the RAVE cd for your vehicle. Bob
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  10. 1st October 2012, 06:30 PM #10
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    djam1
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    From the Nanocom manual

    Learn security code: When the ignition is turned on, the BCU or Alarm, providing it is in receipt of a valid transmitted Key Fob code and is therefore not in an alarmed or immobilised state, sends a coded data transmission to the TD5 ECU. The TD5 ECU then decodes this data and compares the code contained in it against a mobilisation code it
    has stored in it. If the two codes compare OK, the TD5 will allow the engine to start. This forms the basis of the immobiliser. If the TD5 ECU, the BCU, or the Alarm is changed, it may be required for the TD5 ECU to re-learn a new mobilisation code. This
    is done by using this function to put the TD5 ECU into Security learn mode. After setting the TD5 ECU into learn mode it is required to turn off the ignition for 15 seconds, then back on. Receipt and acceptance of a valid code can be verified by viewing the 'Immobilisation Status' in the 'Other' section.

    Hope this helps
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