Service of Audi A4 from 2001 to 2005 release.
1. Operation and maintenance of the car
2. Engine
3. Transmission
4. Running gear
5. Steering mechanism
6. Brake system
7. Onboard electric equipment
7.1. General information
7.2. Power supply system
7.3. Generator
7.4. Starter
7.5. Relay blocks, sockets and safety locks
7.5.1. Removal and installation of the control unit of a combination of devices
7.5.2. Multicontact sockets in the control unit of a combination of devices
7.5.3. Removal and installation of the block of safety locks
7.5.4. Removal and installation of the control unit of onboard network
7.5.5. Removal and installation of the 9-nested block of the relay
7.5.6. Removal and installation of the 3-nested block of the relay
7.5.7. Removal and installation of the 4-nested block of the relay
7.5.8. Removal and installation of the left shtekerny block
7.5.9. Removal and installation of the central control unit of the Komfort system
7.5.10. Removal and installation of the right shtekerny block
7.5.11. Removal and installation of a box of the main safety lock in a luggage carrier behind at the left – the Audi RS4
7.5.12. Removal and installation of the block of the main safety lock – cars with the accumulator in a motor compartment
7.5.13. The general instructions on repair electricians of the car
7.5.14. Repair of wires of the tire of CAN
7.5.15. Break of a wire with repair in two places
7.5.16. Repair of contacts in cases of sockets
7.5.17. Mechanical blocking of the case of the socket
7.5.18. Round contacts
7.5.19. Flat contacts with asymmetrical lock uvulas
8. Body
9. Schemes of electric equipment
 







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7.5.18. Round contacts

NOTE
Before an unblocking of contacts it is necessary to unblock or remove in the presence case clamps (secondary fastenings) with the special tool.


Fig. 7.124. Input of a master key in vents in the socket case


Enter a master key, suitable for the socket case, in vents in the case of the socket (fig. 7.124).
Undertake a wire to contact and slightly press it in the socket

NOTE
Due to cave-in of a tip in the socket case from a coat hanger in the socket lock uvulas of a tip are removed, and by means of their master key it is possible to bring out of the socket case freely.

At the same time press a master key into the case of the socket and extend the unblocked tip.
The master key after extraction of contact can be removed from a vent in the socket case again.

Flat contacts

NOTE
Before an unblocking of contacts it is necessary in the presence unblock or remove case clamps (secondary fastenings) with the special tool.

Flat contacts with one lock uvula
Enter a master key, suitable for the socket case, in vents in the socket case.
Undertake a wire to contact and slightly press it in the socket

NOTE
Due to cave-in of a tip in the socket case from a coat hanger in the socket the lock uvula of a tip is removed, and by means of its master key it is possible to bring out of the socket case freely.


Fig. 7.125. Extraction of the unblocked tip


At the same time press a master key into the case of the socket and extend the unblocked tip (fig. 7.125).
Master key after extraction of contact it is possible again remove from a vent in the socket case.

Flat contacts with two lock uvulas
Enter a master key, suitable for the socket case, in vents in the socket case.
Undertake a wire to contact and against the stop press it in the socket

NOTE
Due to cave-in of a tip in the socket case from a coat hanger in the socket lock uvulas of a tip are removed, and by means of their master key it is possible to bring out of the socket case freely.

At the same time press a master key into the case of the socket and extend the unblocked tip
The master key after extraction of contact can be removed from a vent in the socket case again.


7.5.17. Mechanical blocking of the case of the socket

7.5.19. Flat contacts with asymmetrical lock uvulas