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S3 bonnet sensor

Discussion in 'VCDS (formerly VAG-COM) forum' started by Westy, Dec 31, 2008.

  1. Westy
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    Westy Double Dark Side! Diesel & 8P

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    [Dec 31, 2008]
    Can VAG be used to check the bonnet sensor on the S3 (2002 BAM)?

    My alarm isn't arming and I think i've narrowed the problem down to the bonnet sensor as the DIS shows both doors and the boot working. I took the sensor apart yesterday and gave it a squirt of WD40 to try and clean it up at bit but it still doesn't work. I need to determine whether the sensor is actually broken or if VAG has been used to disable the alarm.

    If anyone can confirm for me.
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  3. Westy
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    Westy Double Dark Side! Diesel & 8P

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    [Jan 2, 2009]
    Anyone?
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  4. Westy
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    Westy Double Dark Side! Diesel & 8P

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    [Jan 5, 2009]
    Ok if nobody knows about the bonnet sensor can someone confirm if the alarm can be dissabled using VAG?
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  5. Westy
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    Westy Double Dark Side! Diesel & 8P

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    [Jan 22, 2009]
    Ok well now I have my own VAG cable I have checked this for myself and I have noticed that the bonnet sensor doesn't show up in VCDS!
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  6. Staz
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    Staz is a retronaut Staff Member Moderator VCDS Map User

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    [Jan 25, 2009]
    Hello mate, suprised noone has posted on this thread.

    Normally to test if a sensor if faulty you can simulate the action by shorting or opening the circuit. Take of the connector plugged into the sensor and see what happens, then short the 2 pins together and again see what happens.

    I know with my car I can disable the alarm with VCDS so you may be right about yours.
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