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rear parking sensors

  • 17-02-2011 10:46pm
    #1
    beetlefan
    Registered Users, Registered Users 2 Posts: 51 ✭✭


    The rear parking sensors in my renault scenic seemed to have stopped working. When i put it into reverse it beeps once, but thats it, no more warning given untill you are right up to the wall, then it beeps continous.
    So it is working but not properly
    Anyone got any ideas whats wrong (no jokes about it being a renault please) It is an 07 grand scenic.:D


Comments

  • #2
    Owen
    Registered Users, Registered Users 2 Posts: 12,683 ✭✭✭✭Owen


    One of your sensors has packed in. The single beep at the start is the giveaway. Put the car in reverse with the ignition on, but engine off. Hold your ear to each sensor, you'll hear them emitting a ticking noise. Whichever one isn't ticking is gone.


  • #3
    beetlefan
    Registered Users, Registered Users 2 Posts: 51 ✭✭beetlefan


    PaintDoctor wrote: »
    One of your sensors has packed in. The single beep at the start is the giveaway. Put the car in reverse with the ignition on, but engine off. Hold your ear to each sensor, you'll hear them emitting a ticking noise. Whichever one isn't ticking is gone.
    tried this but could not hear any ticking, are they difficult to replace and do they have to all be replaced or just one? After replacing is there any resetting to be done
    thanks
    brian


  • #4
    Owen
    Registered Users, Registered Users 2 Posts: 12,683 ✭✭✭✭Owen


    If none are ticking, it's mostly likely the control unit driving the sensors. That'll be in the boot somewhere behind panelling. Check to see it's getting 12v and if the ground is actually grounded.


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