Monster MotorsportSky Insurance
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  1. #1
    Reverse Gear

    Join Date
    Aug 2006

    Help me get my quattro working

    I recently bought my s3 with the traction control light on and it won't turn off.

    the front wheels just spin in the wet and it has no grip at all.

    i have scanned it with vagcom and its bringing up "lateral acceleration sensor" circuit failure. i cleared the code, went for a spin and the fault code came back. would this sesnsor being down cause the quattro not to kick in??

    i have searched some posts on here and i have checked the earth strap on the haldex unit on the rear subframe, the strap is in good condition.

    i have located the lateral and longitudinal sensor but i havent swapped them over yet to see if the code changes from lateral to longitudinal.

    i will do this tomorrow and report back.

    can anyone advise me where to go from here? what tests can i perform, what can i clean, remove check etc.

    i really want it sorted as it doesnt handle well amd with the revo remap the torque steer is terrible.

    any help would be greatly received as its doing my nut in slowly.

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  3. #2
    sportquattro's Avatar
    4th Gear

    Join Date
    Sep 2009
    Ivybridge, United Kingdom
    At risk of stating the obvious; given that VAG-COM is kicking out a fault code, I'd suggest that the lateral acceleration sensor would be a good place to start by checking/replacing the sensor
    1999 Audi S3 Superchips remap, Forge 007p, Phatnoise, Black Diamond Discs & DS2500 pads, N249 Deleted, Badger 5 TIP, Poly dogbone bush, Bilstein B8's and Eibach Springs.

    1986 Audi Coupe Quattro 2.2 restoration project

  4. #3
    <tuffty/>'s Avatar
    Badger 5 Edition

    Join Date
    Sep 2008
    The lateral acceleration sensor is part of the ESP system which is also part of the Haldex control system... if you have a fault with this component the controller does not use the haldex to make use of the 4wd system as it no longer knows when it should and fail safes to a state where it switches most of the related stuff off until its fixed.

    Whats the exact code/fault that VAGCOM reports?

    Silver 2001 AMK S3. Silver alcantara interior... now with added powarrrrrrrr, torques. VAGCOM + KII-USB. >> My build thread...



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