Audi A6 2.5 TDI How to Fix a Cruise

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					Audi A6 2.5 TDI: How to Fix a Cruise Loom

Written by atitedi
Tuesday, 10 November 2009 20:10 - Last Updated Tuesday, 10 November 2009 20:54




You will need to prepare all your instruments and then be ready to begin your assignment. You
will be running the loom through the left hand side of the steering into the dash. Go straight
away into the glove box and get it out of the way by just removing the lower part which is the
part you will be working with.




 




 




 




You can remove the four arms that hold it by simply strutting out some four spring clips to have
your way through. With the use of a screw driver, lift the four spring clips to get access to four
hinge arms from their pins. It may be just a little tricky but you can bet it’s the easier thing to
do.      
  




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Audi A6 2.5 TDI: How to Fix a Cruise Loom

Written by atitedi
Tuesday, 10 November 2009 20:10 - Last Updated Tuesday, 10 November 2009 20:54

 




 




Since it is very easy for the pins to get damaged you will find then covered together with a heat
shrink tube, you will have to remove this casing later and so you will just have to pass the loom
through the column housing of the ECU. You will need to make your way on to the left of the
glove box towards its rear side. Once the loom has gone in, pull it through and direct it towards
the right hand rear corner of the foot well. One of the encumbrances you may get on your way
at the corner of the passenger foot well may be the carpet, which you may need to slice to give
way especially if no one has ever been to the ECU box before.  




A lot of caution needs to be taken especially for the reason that there is a lot of wiring below the
carper at the corner you are working from. The next thing that will need to get out of the your
way is the left hand kick panel by unscrewing one of the screws you will find hidden under a
cover grommet and the portion facing the sill trim then you will have it free and out of your way.  

     




 




 


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Audi A6 2.5 TDI: How to Fix a Cruise Loom

Written by atitedi
Tuesday, 10 November 2009 20:10 - Last Updated Tuesday, 10 November 2009 20:54




 




 




Now you can carefully remove the carpet to reveal a black plastic casing, three gold screws and
parts of the cover and in front of you will be ECU and the fuse board above it. Simply undoing
the four screws you will be able to discharge the ECU loom hiding behind the box and you
should have a long enough loom to work with.  
  




 




Begin with switching off the ignition and let the engine stay silent for a few minutes before you
can safely unplug the ECU. What stands on your way are just three screws and a rubber gasket
to remove the ECU [lug connector cover and if you pull it up you will see the ECU loom and the
wires it has under it.  




 




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Audi A6 2.5 TDI: How to Fix a Cruise Loom

Written by atitedi
Tuesday, 10 November 2009 20:10 - Last Updated Tuesday, 10 November 2009 20:54




Having come so far, the important thing you will need to do now is to pass your new loom
through this ECU plug housing as a matter of priority, making sure that the red cable is looping
outwards. You will then remove the cover to the ECU pin heat shrink very meticulously using a
knife. Then you will need to look up the corresponding locations of wires having the same color.
As you put them into the hole be sure that you put the right pins into the correct holes. Now you
will have a miasma of wires in front of you and that is way you will need to be extremely patient.
You can utilize the 2mm Allen key to find where the holes are so that you do the correct thing.  




  




The only way you will be sure you have pushed the pin to where it belongs is by ensuring it
actually clicks since any attempt to pull it out leads to its automatic damage. Get all the pins in
place and then countercheck them before you put the ECU buck to its functional state. Just be
sure to remember the rubber gasket and how the ECU and new loom will need to get back to
their places just as they were originally. 
  
  
 Your new loom has a red wire that should be put together with the Green and Black wire that
you will find in the enclosed scotch lock. This is a fuse holder that is black in color and is to be
found just above the ECU with a 15amp fuse. You should have no problem pushing the red
cable through. 




After you have done a nice job of returning the loom you can now put back the cruise stalk
where it should be in the loom and put all pieces back to their place, all that now remains is the



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Audi A6 2.5 TDI: How to Fix a Cruise Loom

Written by atitedi
Tuesday, 10 November 2009 20:10 - Last Updated Tuesday, 10 November 2009 20:54

column that covers the whole assembly from the top. Check that the indicators are working the
correct way otherwise those are some of the adjustments you may have to do.   




  
 You should really have no problem doing this kind of assignment even if your battery was on
as long as the ignition is switched off and the airbag is disconnected as well. You will most likely
see your airbag light flickering which you can clear with vag com. 

 The final bit is to now put your car to the test doing a speed above 40mph in 5th or 6th before
switching cruise to ON and then straight to SET. You car should therefore keep this speed
constant as long as you have not pushed the off button, release the clutch, brake pedal or press
the RES at the switch which may the cause the car to either accelerate or decelerate. In all
these figures we are of the assumption that you are driving an Audi A6 AAT/ AEL 2wd Station
Wagon or may be an Avant with a 6 speed manual box. If you car is kept well it will comfortably
do those speeds of between 60mph and if you have kept your car up to state 65mpg will be a
very good and acceptable bet for you.  




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