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How to perform the diagnostic self-test of the Volkswagen Polo MK4

Model: Volkswagen Polo MK IV, Polo 4, 9N, MK 4, Polo IV - Years: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Part: A/C system

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Video tutorial

In this video, we will see how to perform the diagnostic self-test of the air conditioning system of the Volkswagen Polo MK4: we need to press and hold the "econ" button located at the bottom of the air conditioning unit. At the same time, we will press the power button, which is located on the right side.

In this way, the climatronic test system will start, and when all the symbols appear on the display, we can release the buttons, as the test is already in progress. After the test, all error codes will be displayed: to move to the next code, press the "warmer" button.

Once all the codes have been displayed, "000" will be shown. If there are no errors, "444" will be displayed.


Posted on 14 May 2025 by ScegliAuto


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by ScegliAuto

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