UrS4boy

The AAN has a number of input and out devices that the ECU uses to control the engine. To find out more about one the devices, click on the item of interest in the list BELOW the diagram:
<img src="http://pictureposter.audiworld.com/15624/aan_enginebaydevicemap.jpg">

<a href="https://forums.audiworld.com/s4s6/msgs/149771.phtml">Power Output Stage (POS) info</a>
<a href="https://forums.audiworld.com/s4s6/msgs/148742.phtml">G62 Coolant Temp Sensor/MFTS info</a>
<a href="https://forums.audiworld.com/s4s6/msgs/230668.phtml">Moisture Trap info</a>
<a href="https://forums.audiworld.com/s4s6/msgs/230066.phtml">N71 Idle Stabilization Valve info</a>
<a href="https://forums.audiworld.com/s4s6/msgs/116988.phtml">G4 Crank Position &amp; G28 Engine Speed Sensor info</a>
<a href="https://forums.audiworld.com/s4s6/msgs/148742.phtml">Multi Function Temperature Switch (MFTS)info</a>
<a href="https://forums.audiworld.com/s4s6/msgs/150047.phtml">G42 Intake Air Sensor (IAT) info</a>
<a href="https://forums.audiworld.com/s4s6/msgs/207532.phtml">G69/F60 throttle position/idle switch info</a>
<a href="https://forums.audiworld.com/s4s6/msgs/114097.phtml">Spark Plug and Coil access info</a>
<a href="https://forums.audiworld.com/s4s6/msgs/126842.phtml">Cam Position Sensor (G40 "Hall Sender") info</a>
<a href="https://forums.audiworld.com/s4s6/msgs/150046.phtml">By-Pass Valve (BPV) info</a>
<a href="https://forums.audiworld.com/s4s6/msgs/140143.phtml">G70 Mass Airflow(MAF)sensor info</a>
<a href="https://forums.audiworld.com/s4s6/msgs/150222.phtml">N75 Waste Gate Frequency Valve info</a>