This sensor must be connected to an extension of type " K" and via the BOX12.  

The sensor must be installed as remote as possible from the engine. Please note: this sensor displays the lambda values ​​when the exhaust gas exceeds 300 ° C only Important: For a correct reading of lambda values, exhaust manifold must be properly sealed.  This is a wide band sensor. 

Needs to be plugged in to Box 12 (Alfano 6) with the A3401 Extension Cable 135cm K or the longer 500cm or 300cm cable.