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‒ Remove footwell vent
, item 32
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‒ Pull 5-pin connector off control unit -J255-
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‒ Connect cables from adapter set V.A.G 1594 to chambers 4 and 5.
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‒ Connect to 12 V supply. Direction of rotation can be changed by reversing polarity of voltage supply.
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‒ Move temperature flap -2- with control motor -1- from heater end position -4- to fresh air end position -3-.
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‒ Check whether the temperature flap lever -2- reaches the stop at the end position. If necessary, adjust length of connecting rod -5- with temperature flap -2- on stop.
Checking:
By reversing polarity of 12V voltage, positioning motor must move to both end positions.
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