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    Thread: AC always engaged constant 12V

    1. Member Laamapalmu's Avatar
      Join Date
      Oct 17th, 2016
      Location
      Finland
      Posts
      163
      Vehicles
      99 Audi A3 8L 1.8T
      06-17-2020 05:23 AM #1
      Hey

      I have an issue where AC clutch 2-pin connector is always on 12V even if climatronic AC has been turned off. FCM has been replaced and removing pressure solenoid connector doesn't change anything. Ignition doesn't need to be on to engage AC clutch.

      Others with same issues, what should I look for
      first?

      E:

      AC clutch resistance 0.5ohm. Removing fuse #16 10A Magnetkupplung removes 12v from the line.

      FCM was the culprit even though it was new.
      Last edited by Laamapalmu; 06-17-2020 at 04:43 PM.
      Is my Check Engine light broken as it never lits up

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