Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
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.
12 - Telephone/telematics control unit - J526- or telephone transmitter and receiver unit - R36-
❑ Beneath floor covering in driver's footwell
13 - Multi-function steering wheel
14 - Steering column electronics control unit - J527-
❑ On steering column
15 - Data bus diagnostic interface - J533-
❑ Gateway
❑ Behind glove box
4.3 Removing and installing data bus diag‐
nostic interface - J533-
Special tools and workshop equipment required
♦ Protective cap for cable connector - VAS 6223/9- from fibre-
optic conductor repair set - VAS 6223-
Removing
– If control unit is to be renewed, select the “Replace control unit”
function for appropriate control unit in ⇒ Vehicle diagnostic
tester.
– Continue to follow the instructions on the display of the vehicle
diagnostic tester.
– Switch off ignition and take out ignition key.
– Remove glove box ⇒ Rep. gr. 68 .
– Unscrew bolts -arrows- and detach control unit.
– Unplug electrical connector -2-.
– Unplug connector -1- for fibre optic cable.
Audi A8 2003 ➤
Electrical system - Edition 08.2014
108 Rep. gr.90 - Gauges, instruments