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
 







7-5-15-obryv-provoda-s-remontom-v-dvukh-mestakh.html

7.5.15. Break of a wire with repair in two places

Release a wire which needs to be repaired in two places (about 20 cm in both parties from the appropriate place of repair).
If necessary remove a winding of a plait of conducting with a penknife.
Lay a yellow repair wire near the damaged wire and by means of pincers for cleaning of isolation cut off a repair wire of necessary length.
Vyrezhte the damaged wire piece.

Fig. 7.116. Cleaning of a wire


Smooth out 6–7 mm of isolation since the ends of a wire by means of pincers for cleaning of isolation (fig. 7.116).
Get a blooming sleeve on the one hand on the end of a wire in the car, on the other hand for the end of a repair wire.

Fig. 7.117. Pressure testing of a blooming sleeve


Pressure up a blooming sleeve blooming pincers with both ends of wires (fig. 7.117).
Repeat the same on other end of a repair wire.

NOTE
Be convinced of use of a suitable tip for the used blooming sleeve.
Isolation of a wire cannot be pressured up.

After pressure testing a blooming sleeve it is necessary to seat not to allow hit of moisture in it.
Install a nozzle on the industrial hair dryer, 220 V / 50 Hz.

Fig. 7.118. Warming up of a blooming sleeve


Warm a blooming sleeve the hair dryer in the longitudinal direction from the middle to edges until it contracts completely and on the ends glue (fig. 7.118) acts.

ATTENTION
At shrinkage of blooming connections you watch that a hot nozzle of the hair dryer do not damage other wires, plastic details or isolation.

Observe indications of the operation manual on the hair dryer.

NOTE
In need of repair of several wires it is necessary to observe a certain distance between blooming sleeves. that in a grasp the plait of wires was not too thick after repair, establish blooming sleeves with some shift rather each other.
If initially repaired place was wound by an insulating tape, then after its repair follows wind with a yellow insulating tape.
The repaired plait of wires follows later if necessary fix by a collar for a coupler of wires to avoid foreign sounds when driving.



7.5.14. Repair of wires of the tire of CAN

7.5.16. Repair of contacts in cases of sockets