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Thread: Stupid question

  1. #1
    Regular Member gaz1965's Avatar
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    Vehicle : Vectra C

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    Default Stupid question

    Can someone explain to me what canbus is please

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    Regular Member ChrisBilly's Avatar
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    Its a data signal for communication between various devices, modules and control units.
    For example the window switches don't directly operate the window motors, when you press the button a signal voltage is altered via resistors then the door module operates the motor. Same with heater controls, light switch, steering wheel buttons and so on.
    Last edited by ChrisBilly; 7th September 2011 at 22:41.

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    Regular Member gaz1965's Avatar
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    Thanks mate how do you know if you've got it or not? And what are the benefits?
    Thanks
    Gaz

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    Regular Member ChrisBilly's Avatar
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    All vec c's have canbus. If you have 6 buttons on the steering wheel then it's half canbus, if you have the scroll/roller wheels on the steering wheel it's full canbus.

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    Regular Member hagga's Avatar
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    Quote Originally Posted by gaz1965 View Post
    And what are the benefits?
    no real benefits to us... makes diy repares awkward as software needed to test things and new units need to be coded to each other... for the manufacturer is good as for example, only power and a signal cable need running to rear end(lights,heated screen etc) instead of loads of cables...oh and they get extra £££ 'cos we cant fix some stuff.

  6. #6
    Regular Member gaz1965's Avatar
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    Default

    Thanks for that I have the roller so I guess its full canbus :-)

  7. #7
    Regular Member gaz1965's Avatar
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    Quote Originally Posted by hagga View Post
    no real benefits to us... makes diy repares awkward as software needed to test things and new units need to be coded to each other... for the manufacturer is good as for example, only power and a signal cable need running to rear end(lights,heated screen etc) instead of loads of cables...oh and they get extra £££ 'cos we cant fix some stuff.
    Thanks hagga

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    Quote Originally Posted by gaz1965 View Post
    Can someone explain to me what canbus is please
    http://www.bba-reman.com/content.asp...otive_industry

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