Audi Workshop Service and Repair Manuals > A4 Mk3 > Vehicle electrics | System description - entry and start authorisation | Self diagnosis, V.A.G Inspection Service | Advanced Key | System overview of entry and start authorisation control unit "Advanced Key" | System overview for "Advanced Key" (4-door vehicles)

Note for service - "Advanced Key" diagnosis > < System overview for "Advanced Key" (2-door vehicles)

System overview for „Advanced Key“ (4-door vehicles)

1 -	Entry and start authorisation button -E408-

2 -	Electronic steering column lock control unit -J764-

3 -	Contact sensor for front right exterior door handle -G606-

4 -	Rear right exterior door handle touch sensor -G418-

5 -	Convenience system central control unit -J393-

6 -	Luggage compartment aerial for entry and start authorisation -R137-

7 -	Central locking and anti-theft alarm system aerial -R47-

8 -	Rear left exterior door handle touch sensor -G417-

9 -	Left aerial for entry and start authorisation -R200-

10 -	Contact sensor for front left exterior door handle -G605-

11 -	Interior aerial 1 for entry and start authorisation -R138-

The components -J393-, -J764- and -R47- are fitted in both the standard version and the version with „Advanced Key“ as an optional extra. The remaining components are only fitted in the version with „Advanced Key“ as an optional extra.

Vehicle electrics
System description - entry and start authorisation / Self diagnosis, V.A.G Inspection Service
Advanced Key / stem_overview_of_entry_and_start_authorisation_control_unit_quot;advanced_keyquot;/">System overview of entry and start authorisation control unit "Advanced Key"
System overview for "Advanced Key" (4-door vehicles)

Note for service - "Advanced Key" diagnosis > < System overview for "Advanced Key" (2-door vehicles)