200 Quattro Wagon L5-2226cc 2.22L SOHC Turbo (MC) (1989)
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Turn screwdriver to adjust value:
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A to increase value.
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B to decrease value.
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When adjustment value is correct, set A/C control head temperature to LO. Display code must be less than 245.
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If display code is more than 245, set A/C control head temperature to HI. Re-adjust feedback potentiometer to a lower value, but not less than 9.
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Set A/C control head temperature to LO, re-check display. Display code must be less than 245.
