Clio 2001 immobiliser problem.
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  1. #1
    Fellow Frogger!
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    Default Clio 2001 immobiliser problem.

    The Clio let me down today but not terminally. I travelled 120 km to to my wifes specialist appointment. A couple of stops and starts on the way then parked for her appointment . About an hour later she came out and I went to start the car and it would spin over but no sign of starting. I pushed and pulled at available plugs and wiring without any success. I then went to the local GMH dealer and one of the mechanics came to where the car was (Country town: Young NSW ) so this was possible. He had a look and fiddle with the key etc and declared that the immobiliser seemed te be the problem. Anyway after one of his mates from the agency came down as well and much locking and unlocking of central locking and disconnect of the the battery a couple of times away it went and I proceeded home without difficulty. When I got home and stopped it , it started again without problems.
    At one time when I was parked I used the key to cut a bit of tape off a parcel and while I was doing that i inadvertently hit the remote button and locked and unlocked the doors a couple of times and when my wife came to get in the passenger side it was locked.I pressed the button on the key which was in the ignition at this time and then the trouble began when I went to start it.
    I am wondering if this stuff would have confused the system in some way and caused the problem. Any information or previous experience by anyone would be appreciated.
    Regards Dennis.

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  2. #2
    Simon's Avatar
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    How old is the battery in the key?
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  3. #3
    Fellow Frogger!
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    Simon. It is possibly original ,I have had the car for about 3 years. Today I used the car again and had about 5-6 restarts without difficulty,
    I will replace the battery anyway. I did a bit of research on the problem last night and it is not uncommon so I will see if I can get a new key and go from there.
    Regards Dennis.

  4. #4
    Fellow Frogger!
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    On further investigation it seems that the battery is not needed to operate the immobiliser . I took both a Scenic and Clio key apart and they will both start the respective cars without the battery being present, in fact the Scenic key will operate with the side of the key with the circuit board nowhere near it. The chip is inert and apparently reflects? the signal from the immobiliser unit around the switch mechanism to allow the car to start. The key circuit board and battery are solely for the central locking. The Scenic chip is very obvious in the in the key housing and if you taped or glued it somewhere within 50mm or so of the switch body you could use any key that is cut to fit the tumblers in the lock.You would not have the central locking by key button but you can central lock with the key in the drivers door. Cheapskate answer.
    I can only think that my original problem was caused by confusing the CPU in some way and it was rectified by disconnecting the battery for a while. Any way I have had no repeat of the problem.Comment would be invited.
    Regards Dennis

  5. #5
    Member Philby's Avatar
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    Hi Dennis. I had exactly the same problem with my 04 Clio. The RACV guy who came to start me one morning diagnosed a faulty fuel pump which I duly replaced. Didn't fix it. Started looking at the immobiliser, keys and ignition. That didn't fix it either. Bought a new battery. Wasted my money again.

    Then I stumbled upon a UK Renault owners forum and hit the jackpot. It is the crank angle sensor getting covered in a fine smear of oil until it can't report the position of the pistons. The ECU then intermittently stops the engine turning over at start because it doesn't know where the pistons are. I took the crank sensor out and it was indeed dirty. Wiped it clean and applied a thin smear of Vaseline and haven't had a problem for over 20K kms. In fact the car is going better than it ever has. It seems to be a relatively well known issue in the UK. There's even a YouTube clip about it. So I'm completely stumped why local mechanics don't know about it. It took 15 minutes and zero dollars for me to fix it - I hope you're able to as well. Cheers, Phil.

  6. #6
    Fellow Frogger! DanielBendigo's Avatar
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    I had a similar problem at work one day about 3 years ago, soon after I got my Clio. After about 15 minutes it just wouldn't start. I'd gone back into work and come out again still no luck. I caked the RACV who turned up with tow truck (the call out was for a Renault, he said it saved him having to go back to the Depot), and he could start it either.

    After a while we pushed it back to load onto the truck. Then tried starting it and it roared into life right away. No idea what it was, and is never happened again.

  7. #7
    Fellow Frogger!
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    Thanks for the input. At this time I will buy a replacement chinese key and see if I can find a Locksmith to program it ,Some of them say they can and for $18.00 its worth a shot.I will check the tdc sensor anyway but I dont think it is relevant on this occasion.
    Thanks for the input Regards Dennis.

  8. #8
    1000+ Posts REN TIN TIN's Avatar
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    I had the local locksmith make up a key and he programmed it for the immobiliser.
    He had the key in stock and took about 15 minutes but I can't remember how much it cost.
    The only problem is that while the key unlocks the door and starts the car it doesn't have the PLIP so one has to unlock the door using the key. (oh how we have gotten lazy in the last 30 - 40 years that we begrudge unlocking a car using a key!!).
    It's okay for a back-up key and if I'm really desperate one day I'll buy a $10 aftermarket central locking module and wire that in.

    So, if you check the locksmiths in your yellow pages (or even Gumtree has locksmith services) you'll probably find someone down the road that can do the job. They might be keener if they supply the key as well as programme it for the immobiliser.

    Cheers
    Ren
    "I cannot help but notice that there is no problem between us that cannot be solved by your departure. Mark Twain"

  9. #9
    Fellow Frogger!
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    Thanks for that, I think the locksmith in Cowra can do it so I will give it a go. The key comes with the PCB but I dont know if it can be set up or not . Yes I well remember reaching around and pressing all the button down,it was not really very hard was it.
    Regards Dennis.

  10. #10
    Fellow Frogger!
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    Still getting intermittent problem so going with an immobilizer bypass setup. Time will tell

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