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permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
– Open cover -1-.
– Unscrew electrical wiring -2 … 6-.
– Unscrew nuts -arrows- and detach relay and fuse holder.
– Unclip fuse holders at relay and fuse holder.
– Detach relays and control units and then unclip appropriate
relay carrier.
Note
Exact contact assignment of relay and fuse holder in luggage
compartment (right-side) can be found in appropriate current flow
diagram ⇒ Current flow diagrams, Electrical fault finding and Fit‐
ting locations.
Installing
Installation is carried out in the reverse order; note the following:
– Install energy management control unit - J644- ⇒ page 9 , en‐
suring that assembly sequence is followed.
Tightening torques
Component Nm
Relay and fuse holder to body 7.5
Electrical wiring to fuse holder 7.5
5.3 Removing and installing heated wind‐
screen control unit - J505-
Special tools and workshop equipment required
♦ Removal lever - 80 - 200-
Removing
Note
All cable ties unfastened or cut open during removal must be re‐
attached in same position when installing.
– If control unit is to be renewed, select the “Replace control unit”
function for appropriate control unit in ⇒ Vehicle diagnostic
tester.
– Remove battery ⇒ page 3 .
Audi A8 2003 ➤
Electrical system - Edition 08.2014
5. Relay carriers, fuse carriers (luggage compartment) 351
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