Audi A4 with 2001- 2005 of release.
1. Operation and car maintenance service
2. The engine
3. Transmission
4. A running gear
5. The steering mechanism
6. Brake system
7. An onboard electric equipment
7.1. The general data
7.2. Power supplies system
7.3. The generator
7.4. A starter
7.5. Relay blocks, sockets and safety locks
7.5.1. Removal and installation of the block of management of a combination of devices
7.5.2. Multicontact sockets in the block of management 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 block of management of an 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 left штекерной pads
7.5.9. Removal and installation of the central block of management of system Komfort
7.5.10. Removal and installation right штекерной pads
7.5.11. Removal and installation of a box of the main safety lock in a luggage carrier behind at the left – 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 tyre CAN
7.5.15. Breakage 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 a socket
7.5.18. Round contacts
7.5.19. Flat contacts to asymmetrical lock uvulas
8. A body
9. Electric equipment schemes
 




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7-5-7-snyatie-i-ustanovka-4-gnezdovogo-bloka-rele.html

7.5.7. Removal and installation of the 4-nested block of the relay

Removal
Disconnect a wire of weight from АКБ at the switched off ignition.
Remove a ware compartment from outside the driver.

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


Unscrew screws of 1 block of safety locks 2 (fig. 7.78).
Remove the block of safety locks from the central pipe of the forward panel.
Remove burn down electroconductings from the central pipe of the forward panel and to liberate it from fastenings.

Fig. 7.97. Fastening of the 4-nested block of the relay


Turn off nuts (arrow) and remove the block of management of an onboard network. 1 with the attached cables (fig. 7.97).
Remove the relay or blocks of management from the 4-nested block of the relay.

Fig. 7.98. Carving connections of the 4-nested block of the relay


To mark cables on carving connections 2, 3 and 5 (fig. 7.98).
Disconnect cables from carving connections.
Unscrew the screw 1 and a nut 4.
Disconnect blocks of safety locks from the 4-nested block of the relay.

Fig. 7.99. The 4-nested block of the relay


Take the relay, management blocks, and then unblock a corresponding payment of the relay (fig. 7.99).

Installation
Establish in return sequence.
Attach cables to carving to connections 2, 3 and 5 according to labels (fig. 7.98).
Connect the accumulator.
Establish a ware compartment from outside the driver.

The inhaling moments
The 4-nested block of the relay to a body:
– A nut: 2,4 Нм;
– The screw: 1,7 Нм.
Carving connection for electric cables: 9 Нм.


7.5.6. Removal and installation of the 3-nested block of the relay

7.5.8. Removal and installation left штекерной pads