cheers mate I noticed on the box at the front it has bosch wrote on it if that helps to ID it.I did the test and no codes came up and the exhaust gases test showed no problems.
here are some photos of the plug and the two boxs under my dash
http://i130.photobucket.com/albums/p259/huntish/e1f04a7b.jpg
http://i130.photobucket.com/albums/p259/huntish/b37fe884.jpg
http://i130.photobucket.com/albums/p259/huntish/8cbb8828.jpg
which is the ecu and what is the other box
hi yes it does but I thought I read there was one on the ecu aswell.
by doing this self test will it tell me if the lambada or throttle body sensors are faulty.
ok cheers mate I will go and look at the plug to make sure.where is the LED on the control unit under the center dash as I cant see any.is it the little silver box at the front or the other box behind it I should be looking at