Audi Q7: Electrical System

 ATF Circuit

Overview - ATF Circuit   Caution Risk of damaging the transmission. Remove all the plugs on the ATF lines and on the transmission that were installed during removal. The ATF cooling function will not work and the transmission will be damaged if the plugs are forgotten. ATF Cooler, ATF L

 Compressor Magnetic Clutch - N421-, Checking

General Description The supercharger Compressor Magnetic Clutch -N421- is controlled by the engine control module (ECM) as required, i.e. the clutch is only engaged when high engine output is requested. The Compressor Magnetic Clutch -N421- is engaged and forms a frictional connection between th