Fuse block B -SB- in the engine compartment switch box
Disconnect the ground wire from the battery with the ignition off. Removing the filler pipe for the windshield washer reservoir. Unscrew bolts -1,2,4- and remove cover -3-switching unit. compartment -arrow-.
![](https://www.audimanual.ru/img/q/4188.jpg)
-Pos. 5- ignore. Unlock the latches -arrows A- and remove the engine control unit -arrow B-.
![](https://www.audimanual.ru/img/q/4189.jpg)
If present, disconnect the electrical connection. connector-2-. Disconnect connectors -4- and unscrew el. wire -3-. Unlock the latches -arrow- and remove the fuse block. B -SB- -pos. 1-. Release and remove the engine wiring harness. box.
![](https://www.audimanual.ru/img/q/4190.jpg)
Unscrew the electrical line -5-. Remove relay -3- and control units -4- from the fuse box. B -SB-. Unlock the clamp -arrow-, fuse block. -2- push back and remove. Unlock the clamp and push back the extra. fuse block -1-.
![](https://www.audimanual.ru/img/q/4191.jpg)
Unlock the clamps -arrows- and push the relay unit -2- back out of the holder. Remove the fuse block. B -SB- from the motor switching unit. compartment
![](https://www.audimanual.ru/img/q/4192.jpg)
Installation
Installation in reverse order: install the filler pipe for the windshield washer reservoir. Connect the battery.
Fuse block in the switching unit mot. compartment
Remove the fuse block. B -SB-. Relay block -3- and -4- and fuse. -1- remain fixed. Wire -5- remains connected.
![](https://www.audimanual.ru/img/q/4193.jpg)
Unlock the clamp -arrow-, fuse block. -2- push back and remove. Remove the fuses from the block. Unlock the latches -arrows- and remove the fuse box cover.
![](https://www.audimanual.ru/img/q/4194.jpg)
Remove the retaining strips -1- of the plug connections -arrow- and remove the plug connections from the terminal block.
![](https://www.audimanual.ru/img/q/4195.jpg)
The exact location of the fuse block contacts. in the switching unit mot. compartment is indicated on the current email. electrical diagram.
Installation
Installation in reverse order: install fuse block. B -SB-.
Removing the splitter 2 cells. 30 -TV22-
Disconnect the ground wire from the battery with the ignition off, for vehicles with a high-voltage system. Remove seal -3-. Disconnect the clips -1- from the mountings and remove the plenum chamber cover -2-.
![](https://www.audimanual.ru/img/q/4196.jpg)
Unlock lock -arrow A- and remove cover -arrow B-.
![](https://www.audimanual.ru/img/q/4197.jpg)
Unscrew electrical wires -1...6- and -9, 10-. Unscrew the bolt -8- and remove the 2nd class splitter from the extension. 30 -TV22-.
![](https://www.audimanual.ru/img/q/4198.jpg)
-Pos. 7- ignore.
Install in reverse order.
Removing the Door Separator Connector
Turn off the ignition. Unlock the plug lock in -direction of arrow A- and pull out the door disconnect plug -1- -arrow B-.
![](https://www.audimanual.ru/img/q/4199.jpg)
Removing the fuse block A -SA- in the trunk
Turn off the ignition. Remove trunk floor -3-. If present, remove Bassbox -2-. Bend floor covering -1- over cover.
![](https://www.audimanual.ru/img/q/4200.jpg)
Unlock the latches -arrows- and open the cover -1 -.
![](https://www.audimanual.ru/img/q/4201.jpg)
Open the cover -1 - above the negative terminal of the battery. Loosen the nut a few turns and remove the pole piece -arrow- of the ground wire from the battery terminal.
![](https://www.audimanual.ru/img/q/4202.jpg)
Loosen nut -1- a few turns and disconnect terminal block of fuse holder A -SA- from pole terminal. Unlock the spring clip -3- and open the cover -2- above the fuse block. A -SA- -arrow-.
![](https://www.audimanual.ru/img/q/4203.jpg)
Unscrew the email cables -1,5,6,8-. Remove the fuse block. A -SA- -pos. 4-. Remove battery disconnect squib -N253- -item. 7-.
![](https://www.audimanual.ru/img/q/4204.jpg)
-Pos. 2.3 - do not take into account. Exact assignment of fuse block contacts. A -SA-is given on the actual email. scheme.
Installation
Installation in reverse order: Install battery disconnect switch -N253-.
Connect the battery.
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