look in the downloads section,think its either a new resistor or a fix as per the bloke on ebay who offers a repair.mine only works on 4 but does not bother me,if it steams up i just drop the window.click on link below http://nissan4x4ownersclub.co.uk/workshop/wk18.pdf
paul.
Look under your glove box towards the bulk about central and you will c theres a multi plug unplug it then after taking the 2 retaining screws out take the board out :wink: