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The BMW Range
3 Series
E46
Hand Break and ABS lights is ON
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<blockquote data-quote="jarance" data-source="post: 623145" data-attributes="member: 21"><p>This AUC sensor or "Stink" Sensor control the ventilation flap of the Aircon.</p><p></p><p>basically, it detect smelly gas. If you follow a garbage truck and your aircon is in auto mode, the AUC would</p><p>detect the "smell" and close the ventilation flap to the outside. This will prevent the smell from coming into the</p><p>car. When the smell is gone, it will then reopen and let fresh air into the car.</p><p></p><p>If the AUC sensor is faulty, the smell will get into the car as the ventilation flap to the outside will always be kept</p><p>open. </p><p></p><p>If the AUC is dirty, it can be clean by changing the filter. If the sensor is shorting or open circuit, then you have to change </p><p>it or program the a/c to stay in the "recirculation" mode whenever you start the car.</p></blockquote><p></p>
[QUOTE="jarance, post: 623145, member: 21"] This AUC sensor or "Stink" Sensor control the ventilation flap of the Aircon. basically, it detect smelly gas. If you follow a garbage truck and your aircon is in auto mode, the AUC would detect the "smell" and close the ventilation flap to the outside. This will prevent the smell from coming into the car. When the smell is gone, it will then reopen and let fresh air into the car. If the AUC sensor is faulty, the smell will get into the car as the ventilation flap to the outside will always be kept open. If the AUC is dirty, it can be clean by changing the filter. If the sensor is shorting or open circuit, then you have to change it or program the a/c to stay in the "recirculation" mode whenever you start the car. [/QUOTE]
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Hand Break and ABS lights is ON
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