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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7.5.1. Removal and installation of the control unit of a combination of devices

NOTE
It is forbidden to disassemble the control unit of a combination of devices.

Removal
If the combination of devices (the control unit of a combination of devices) is replaced, will choose the Replacement function of the control unit of a combination of devices in the Conducted Search of Malfunctions menu.
Switch off ignition and pull out the ignition key.
Establish a steering wheel back and down so, as far as possible, using for this purpose the full range of adjustment of provision of a steering column.

NOTE
For the best perception working operations are shown in the following drawing at the removed steering wheel.


Fig. 7.76. Removal of a cover of the control unit of a combination of devices


Uncover 1 below on the control unit of a combination of devices of the movement (arrow) (fig. 7.76) back.

Fig. 7.77. Screws of fastening of a combination of devices


Unscrew screws (shooters) (fig. 7.77).

Fig. 7.78. Removal of a cover of the forward panel


Uncover at the left on the forward panel by means of a stripper (fig. 7.78).

Fig. 7.79. Promotion of the dashboard


Push a hand over a block of safety locks through an opening And yes to squeeze out the control unit of a combination of devices in the direction B (fig. 7.79).

Fig. 7.80. Safety bracket of an electric cable


Open a safety bracket of an electric cable and pull out electric connections (fig. 7.80).

Installation
To carry out installation in the return sequence.


7.5. Relay blocks, sockets and safety locks

7.5.2. Multicontact sockets in the control unit of a combination of devices