Automatic wipers start after ?watering? windscreen

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  • Automatic wipers start after ?watering? windscreen

    UCH (Unite Controle Habitacle) for Logan has the facility, uninstalled, to start the wipers temporized after the windscreen has been washed by windscreen washer pump, as on Clio Symbol.
    There are two fazes:
    1. When you set the pressure for about one second (anyway, under 3 seconds) on the wiper control stalk to actionate the windscreen washer pump, the wipers start automatically and wipe one time the windscreen.
    2. When you set the pressure for three seconds or more on the wiper control stalk to actionate the windscreen washer, the wipers start automatically and wipe three times the windscreen.
    Both ways of wiping functions start after 1 or 2 second of delay, during this time the windscreen washer pump ?watering? the windscreen to avoid scratches due to dust etc.

    Theoretical principles:
    1. The control pin for that is pin number A7 on UCH. If it gets 12+ volts for a second (or less and no more than 3 seconds), it commands the wipers to wipe once. If the 12+ Volts are more than 3 seconds, it commands the wipers to wipe for 3 times.

    Practical implementation:
    1. Put an end of a wire (uninsolated) in A7 connector (position as in ?0 scheme UCH.gif?) ? as can be seen in ?3 pozitionare pin 7.jpg?. The A7 pin is on the 40 pins connector of UCH - EH1 - the smaller one, not the big white one. A7 pin can be found in the brown part of the 40-track connector (the 40-track connector is made actually of two independent 20-track connectors, one green and one brown, as can be seen in ?2 Alcatuire mufa.jpg?).
    There is no need to extract the UCH from its place, only the connector should be extracted. The brown 20-track connector can be seen in ?1 Mufa de scos.jpg?
    2. The other end of the wire connected to UCH in this way is pulled up to the wiper control stalk and is connected to pin number 4 of wiper control stalk connector (the fourth from right to left, upper row, as you look from driver?s seat to the dashboard - this one pin actually gives 12+ Volts to windscreen washer pump - . In the image ?4 Mufa maneta.jpg? can be seen the way I did that.

    Success!
    Source
    Last edited by Cristi_Xp; 7th December 2006, 19:46.
    Pentru a evita imposibilitatea resetarii parolei pe forum, userii cu adresa de @yahoo.com sunt rugati sa activeze o alta adresa de mail, diferita de @yahoo.com.

  • #2
    where are the images? :p

    sorry, I didn't realise the topic was in the English Corner :p
    Last edited by Marius; 25th November 2006, 13:13.
    numar secundele

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    • #3
      in english please!!

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      • #4
        mmm...
        interesting tutorial you have here...

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        • #5
          Pfff....very interesting.Many thanks to the one who wrote it for the first time.But we have no images
          Pentru a evita imposibilitatea resetarii parolei pe forum, userii cu adresa de @yahoo.com sunt rugati sa activeze o alta adresa de mail, diferita de @yahoo.com.

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          • #6
            now we have a video tutorial, but in romanian http://www.youtube.com/watch?v=stkcF8DknOs
            Mecanica pentru Dacia si Renault doar in Bucuresti

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            • #7
              i see that even mahindra logan dosent have this wire, that makes you wonder what is in their mind to not install almost 1 meter of wire for this function ? It is actually an important function. I saw that even Duster dosent have this wire
              Logan by Renault Pure Blood
              Nothing beats Low Cost

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