cocog Posted 1 hour ago Share Posted 1 hour ago Working through few repairs on my Audi A4 and one outstanding problem I have is the rear heated screen is not working. The heated mirrors work when heated screen button pressed on centre console. I have checked the 40A fuse and relay and they are okay. The screen isn't oxidised or any signs of delamination. I have also checked battery voltage which is 12.3V when static. Any ideas on what it may be before I start to strip trim out to chase things? Quote Link to comment Share on other sites More sharing options...
cliffcoggin Posted just now Share Posted just now The points most susceptible to damage are the terminals where the supply connects to the heating element. Have a good look at them first. If possible, test for power at those terminals with a volt meter. It would also be worth inspecting the wires that pass through a rubber bellows between body and boot lid. They have been known to break with the repeated flexing as the lid is opened. Quote Link to comment Share on other sites More sharing options...
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