Current Flow Diagram
Edition 07.01
Main fuse
A97–0220
Fuse box
A97–0242
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
3
4
1
2
44
43
42
41
40
37
39
38
36
35
34
33
32
31
30
29
28
27
26
25
24
Res
Res
Res
Res
Res
15 A
10 A
25 A
20 A
30 A
Fuse colours
–
–
–
–
–
green
white
blue
red
yellow
– orange
5 A – beige
7.5A
From fuse number 23 upwards the fuses in the
fuse box are designated as 223 etc. in the
Current Flow Diagram.
4-point relay carrier with screw connection
A97–0245
1
2
3
4
C
B
G
E
F
A
D
H
Audi A4
No. 30/1
Navigation system ”NS LOW”
From model year 2001
1
2
3
4
5
6
7
8
9
10
11
12
97–53914
13
14
A
2
4,0
sw
5
10A
5a
S
5
10A
8a
S
8
1,0
ro/bl
1,0
sw/ro
15
A
32
6/15
D
2,5
ro
2,5
ro
3/30
7/30
A
57
T8e/8
501
6,0
ro
6,0
ro
4,0
sw
6,0
ro
A
74
1,0
sw/ro
T8e/4
A
50
1,0
ro/bl
T8e/7
0,5
sw/ro
47
1,5
br
2,5
br
610
J
401
346
346
Current Flow Diagram
ws = white
sw = black
ro = red
br = brown
gn = green
bl = blue
gr = grey
li
= purple
ge = yellow
Edition 07.01
or = orange
Audi A4
No. 30/2
Navigation system with CD drive control unit, fuses
D
– Ignition/starter switch
J401 – Navigation system with CD drive control unit
S5
– Fuse in fuse box/relay plate
S15 – Fuse in fuse box/relay plate
T8e – 8-pin connector, black, navigation system with
CD drive control unit
346 – Earth connection (audio), in dash panel wiring
harness
501 – Screw connection -2- (30), on relay plate
610 – Earth point (audio), below centre console, front
A2
– Positive (+) connection (15), in dash panel
wiring harness
A32 – Positive (+) connection (30), in dash panel
wiring harness
A50 – Positive (+) connection (30as), in dash panel
wiring harness
A57 – Positive (+) connection -3- (30), in dash panel
wiring harness
A74 – Connection (15a, fuse 5), in dash panel wiring
harness
15
16
17
18
19
20
21
22
23
24
25
26
97–53915
27
28
R
T20e/13
T20e/15
T20e/14
R
70
T20e/15
T20e/13
T20e/16 T20e/19
0,35
sw
*
0,35
gn
0,35
sw
0,35
gr
0,35
gn
0,35
sw
0,35
gn
T20e/17
0,35
gr
A
129
V
50
V
49
0,35
sw
0,35
gn
0,35
gr
0,35
gr
*
***
***
***
*
**
**
**
T10l/5
T10l/6
T10l/7
1/+
2/–
T10l/1
J
401
Current Flow Diagram
ws = white
sw = black
ro = red
br = brown
gn = green
bl = blue
gr = grey
li
= purple
ge = yellow
Edition 07.01
or = orange
Audi A4
No. 30/3
Navigation system with CD drive control unit,
internal loudspeaker (centre loudspeaker)
J401 – Navigation system with CD drive control unit
R
– Radio
R70 – Internal loudspeaker (centre loudspeaker)
T10l – 10-pin connector, red, radio connector IV
T20e – 20-pin connector, black, navigation system with
CD drive control unit
A129
– Connection (muting), in dash panel wiring
harness
V49 – Connection (audio frequency, NF +), in
communication wiring harness
V50 – Connection (audio frequency, NF –), in
communication wiring harness
*
– Models without radio (only export versions)
**
– Models with radio
*** – See applicable Current Flow Diagram:
Telephone
29
30
31
32
33
34
35
36
37
38
39
40
97–53916
41
42
A
179
T32/19
0,35
or/br
A
178
T32/20
0,35
or/li
J
285
T32a/21
0,22
ws/bl
A
27
A
159
T8e/3
T8e/1
T20e/5
T20e/2
T
16/15
0,35
or/br
0,35
or/li
0,35
ws/bl
0,35
gn/bl
0,35
gn/bl
HF
R1
R1
50
R
J
401
0,35
bl/ro
A
87
T8e/2
Current Flow Diagram
ws = white
sw = black
ro = red
br = brown
gn = green
bl = blue
gr = grey
li
= purple
ge = yellow
Edition 07.01
or = orange
Audi A4
No. 30/4
Control unit with display in dash panel insert,
navigation system with CD drive control unit
J285 – Control unit with display in dash panel insert
J401 – Navigation system with CD drive control unit
R1
– Aerial connection
R50 – Navigation aerial (GPS)
T8e – 8-pin connector, black, navigation system with
CD drive control unit
T16 – 16-pin connector, black, diagnostic connector
T20e – 20-pin connector, black, navigation system with
CD drive control unit
T32 – 32-pin connector, blue, on dash panel insert
T32a – 32-pin connector, green, on dash panel insert
A27 – Connection (speed signal), in dash panel wiring
harness
A87 – Connection (RF (reversing light)), in dash panel
wiring harness
A159
– Connection (L), in dash panel wiring harness
A178
– Connection (infotainment CAN bus, high), in
dash panel wiring harness
A179
– Connection (infotainment CAN bus, low), in
dash panel wiring harness
43
44
45
46
47
48
49
50
51
52
53
54
97–53917
55
56
J
285
A
175
2
3
11
6
7
8
4/58s
Out A
Out B
Enter
Telematik
0,22
gn
0,22
gn/gr
0,22
ge/ws
0,22
ge/bl
0,22
gn/li
0,22
ws/br
0,22
gr/bl
E
272
269
0,35
br/ge
T32/25
T32a/17
T32/28
T32/12
T32/7
T32/6
T32/5
0,22
ge/gn
T32/8
10/31
0,5
gr/bl
1
Menü
9
0,5
sw/ro
9
T32/32
269
0,22
br/ge
Current Flow Diagram
ws = white
sw = black
ro = red
br = brown
gn = green
bl = blue
gr = grey
li
= purple
ge = yellow
Edition 07.01
or = orange
Audi A4
No. 30/5
Function selection switch II, control unit with
display in dash panel insert
E272 – Function selection switch II
J285 – Control unit with display in dash panel insert
T32 – 32-pin connector, blue, on dash panel insert
T32a – 32-pin connector, green, on dash panel insert
269 – Earth connection (sender earth) -1-, in dash
panel wiring harness
A175
– Connection (58s), in dash panel wiring harness