Audi TT (2007 year). Manual — part 173
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
8J0-048160410
197
198
199
200
201
202
203
204
205
206
207
208
209
210
J
519
li/ws
0,35
T52b/13
br
0,35
375
br
1,0
E
1
T6/2
T6/1
31
148
li/ge
0,35
T52c/18
T6/3
gr/bl
0,5
T52b/51
T6/4
gr/bl
0,35
gr/bl
0,35
W
1
gr/bl
0,35
E
284
B340
✱
✱✱
✱✱
✱✱
✱✱
148
ws = white
sw = black
ro
= red
br
= brown
gn
= green
bl
= blue
gr
= grey
li
= purple
ge
= yellow
or
= orange
rs
= pink
Onboard supply control unit, light switch
E1
Light switch
E284 Garage door operating unit
J519 Onboard supply control unit
T6
6-pin connector, black, connector C, on light switch
T52b 52-pin connector, yellow, on onboard supply control unit
T52c 52-pin connector, brown, on onboard supply control unit
W1
Front interior light
375 Earth connection 10, in main wiring harness
B340 Connection 1 (58s), in main wiring harness
*
Coming Home switch
**
no longer fitted, phased
Audi TT
Current Flow Diagram
No. 48 / 16
Edition 04.2010
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
Air conditioning system
⇒ Heater (9AA)
⇒ Air conditioning system (9AK)
from June 2009
Notes:
For information concerning
♦ Position of relays and fuses
♦ Multi-pin connections
♦ Control units and relays
♦ Earth connections
⇒ List of Fitting Locations!
For information concerning
♦ Fault Finding Programs
⇒ guided fault finding
Audi TT
Current Flow Diagram
No. 49 / 1
Edition 04.2009
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
8J0-049020409
1
2
3
4
5
6
7
8
9
10
11
12
13
14
J
255
T16d
/15
30
ro
4,0
ro
6,0
B300
SC
12
10A
12
SD
3
ro/gn
1,0
44
br
1,5
br
1,0
384
T16d
/16
31
ro
16,0
B299
SC
16
10A
16
16a
12a
110 A
✱
sw/ro
0,5
B278
✱
sw
4,0
SC
1
10A
1
SC
4
5A
4
4a
1a
sw/ro
0,5
30
J
519
sw
4,0
B163
sw
4,0
5
2
✱
#
B272
ro
16,0
E1
SA
4
110 A
B272
E1
ro
10,0
44
br
1,0
br
0,35
375
374
br
2,5
J
681
1
4
8
2
##
sw/ws
0,35
6
T52b
/12
2
5
30
ws = white
sw = black
ro
= red
br
= brown
gn
= green
bl
= blue
gr
= grey
li
= purple
ge
= yellow
or
= orange
rs
= pink
Climatronic control unit, fuses
J255 Climatronic control unit
J519 Onboard supply control unit
J681 Terminal 15 voltage supply relay 2
SA4 Fuse 4 on fuse holder A
SC1 Fuse 1 on fuse holder C
SC4 Fuse 4 on fuse holder C
SC12 Fuse 12 on fuse holder C
SC16 Fuse 16 on fuse holder C
SD3 Fuse 3 on fuse holder D
T16d 16-pin connector, black, connector D, on Climatronic control unit
T52b 52-pin connector, yellow, on onboard supply control unit
44
Earth point, lower part of left A-pillar
374 Earth connection 9, in main wiring harness
375 Earth connection 10, in main wiring harness
384 Earth connection 19, in main wiring harness
B163 Positive connection 1 (15), in interior wiring harness
B272 Positive connection (30), in main wiring harness
B278 Positive connection 2 (15a), in main wiring harness
B299 Positive connection 3 (30), in main wiring harness
B300 Positive connection 4 (30), in main wiring harness
*
Operating unit for air conditioning
**
main fuse box, in luggage compartment, rear right, on the battery
#
Main fuse holder, electronics box, in front left engine
compartment
##
Relay carrier on onboard power supply control unit
Audi TT
Current Flow Diagram
No. 49 / 2
Edition 04.2009
Protected by copyright. Copying for private or commercial purposes, in part or in whole, is not
permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
8J0-049030409
15
16
17
18
19
20
21
22
23
24
25
26
27
28
J
255
43
4
T
10l/2
ro/bl
4,0
SB
8
30A
ro/bl
2,5
89
8a
✱
B272
ro/ws
4,0
21
B407
V
2
T16c/12
or/br
0,35
ro
6,0
B272
SB
9
25A
9a
9
8
ro/bl
4,0
21
SB
12
40A
12a
12
ST1
or/br
0,35
or/br
0,35
•
T52c
/16
B406
or/br
0,35
T20d
/5
J
519
J
533
E
230 ✱ ✱
B398
T16c/13
or/gn
0,35
or/gn
0,35
•
T52c
/15
B397
T20d/15
J
519
J
533
or/gn
0,35
or/gn
0,35
2
sw/ws
0,35
T20k
/19
1
bl/ws
0,35
T20k
/20
3/31
T
10l
/1
br
4,0
br
4,0
J
126
M
89
21
21
ws = white
sw = black
ro
= red
br
= brown
gn
= green
bl
= blue
gr
= grey
li
= purple
ge
= yellow
or
= orange
rs
= pink
Climatronic control unit, fresh air blower control unit, fresh
air blower
E230 Heated rear window button
J126 Fresh air blower control unit
J255 Climatronic control unit
J519 Onboard supply control unit
J533 Data bus diagnostic interface
SB8 Fuse 8 on fuse holder B
SB9 Fuse 9 on fuse holder B
SB12 Fuse 12 on fuse holder B
T10l 10-pin connector, black, behind the dash panel on right
T16c 16-pin connector, brown, connector C, on Climatronic control
unit
T20d 20-pin connector, black, on data bus diagnostic interface
T20k 20-pin connector, connector B, on Climatronic control unit
T52c 52-pin connector, brown, on onboard supply control unit
V2
Fresh air blower
43
Earth point, lower part of right A-pillar
B272 Positive connection (30), in main wiring harness
B397 Connection 1 (convenience CAN bus, high), in main wiring
harness
B398 Connection 2 (convenience CAN bus, high), in main wiring
harness
B406 Connection 1 (convenience CAN bus, low), in main wiring
harness
B407 Connection 2 (convenience CAN bus, low), in main wiring
harness
•
CAN bus (data wire)
*
Operating unit for air conditioning
**
Operation for heated rear window via CAN bus, heated rear
window ⇒ CFD basic equipment
Audi TT
Current Flow Diagram
No. 49 / 3
Edition 04.2009
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