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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.
– Remove cover -2- over battery.
Note
Disregard -item 1-.
– Connect red clamp “+” -item 2- of battery charger to battery
positive terminal.
– Connect black clamp “–” -item 1- of battery charger to earth
stud of energy management control unit -J644- .
– Plug in mains connector of battery charger and switch on bat‐
tery charger ⇒ Electrical system; General information; Rep.
gr. 27 ; Charging battery .
2.10 Removing and installing battery cut-off
relay - J655-
The battery cut-off relay - J655- must be renewed if defective or
if it has been triggered.
– Renew battery cut-off relay - J655- ⇒ Rep. gr. 69 .
2.11 Removing and installing battery isola‐
tion igniter - N253-
Battery isolation igniter - N253- must be renewed if defective or if
it has been triggered.
– Renewing battery isolation igniter - N253- ⇒ Rep. gr. 69 .
2.12 Removing and installing energy man‐
agement control unit - J644-
Removing
Note
Charger must NOT be connected during removal and installation.
– If control unit is to be renewed, select the “Replace control unit”
function for appropriate control unit in ⇒ Vehicle diagnostic
tester.
Audi A8 2003 ➤
Electrical system - Edition 08.2014
8 Rep. gr.27 - Starter, current supply, CCS
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