rs = pink. Audi A4. No. 2/ 3. T4k - 4-Pin Connector, black, near front bumper. 3 .....
Rear lights ..... F77 - Windshield Washer Fluid Level Warning Switch. G.
Audi A4
Wiring diagram
St andard Equipm ent from 2002 m . y.
M ain fuse
A97--0220
Connector st at ion E-box, plenum cham ber
1
2 5
3 6
4 7
A97--0248
4-Pin Relay Carrier w it h t hreaded connect ion
A
B
C
D
3 1
2 4
E
F
G
H A97--0245
Edit ion 08/ 01 W42.USA.5504.01.21
No. 2/ 1
Audi A4
Wiring diagram
No. 2/ 2
Fuse holder
23 22 21 20
30 A 25 A 20 A 15 A 10 A 7,5A 5A
40
Res
41
Res Res
-
Green White Yellow Blue Red Orange Beige
36
43
37
44
42
34
29
35
19 18 17 16
9 11 10 38 39
5 6 7
3 4
32
31
1
33
Res Res
30
28
27
26
25
24
2
8
15 14 13 12
Fuse Colors
Fuse in fusebox from 23 onwards are numbered 223 onwards in Current Flow Diagram. A97--0242
9-Pin Relay Carrier in t he inst rum ent panel Relay Locat ion :
A 1
7 2
8 3
B
9 4
5
3
- Horn Relay
6
- Load Reduction Relay
6
A97--0243
Edit ion 08/ 01 W42.USA.5504.01.21
Audi A4
No. 2/ 3
Wiring diagram
T4k/4 35,0 sw
4,0 br 12
3 1
2
3
4,0 br 83
4
12 5
2,5 br
179 6
2,5 br
179 7
6,0 br
345 8
78 9
6,0 br
249 10
50 11
2,5 br 86
12
44 13
347
rs = ws = sw = ro = br = gn = bl = gr = li = ge = or =
pink w hite black red brow n green blue grey lilac yellow orange
14 97--52805
T4k - 4-Pin Connector, black, near front bumper 3
- Ground strap, engine to body
12
- Ground connection, in engine compartment, left - Ground connection (lower left A-pillar)
44 50 78 83 86
179 - Ground connection, in left headlight w iring harness 249 - Ground connection -2-, in w iring harness interior 345 - Ground connection (in bumper w iring harness), Fanfare/Fog light 347 - Ground connection (in roof w iring harness)
- Ground connection, in luggage compartment, left - Ground connection (lower right B-pillar) - Ground connection -1-, in right front w iring harness - Ground connection -1-, in rear w iring harness
Edit ion 08/ 01 W42.USA.5504.01.21
Ground connect ions
Audi A4
rs = ws = sw = ro = br = gn = bl = gr = li = ge = or =
No. 2/ 4
Wiring diagram
pink w hite black red brow n green blue grey lilac yellow orange
6,0 br 44 15
16
6,0 br 32
17
44 18
6,0 br 81
19
43 20
4,0 br
238 21
43 22
6,0 br
176 23
43 24
1,5 br
135 25
T10c 1,5 /1 br
135 26
261 27
28 97--53043
T10c - 10-Pin Connector, violet, connector station A-pillar, left 32 43
- Ground connection, behind instrument panel, left - Ground connection (lower right A-pillar)
44
- Ground connection (lower left A-pillar)
238 - Ground connection -1-, in w iring harness interior 261 - Ground connection, in w iring harness heated spray jet
81
- Ground connection -1-, in instrument panel w iring harness 135 - Ground connection -2-, in instrument panel w iring harness 176 - Ground connection, in right headlight w iring harness
Ground connect ions
Edit ion 08/ 01 W42.USA.5504.01.21
Audi A4
No. 2/ 5
Wiring diagram
B 2,5 sw
T1 2,5 ro/sw
A 32 163
6,0 ro
190
T10a/4
208
6,0 ro
6,0 ro
6,0 ro
2,5 ro
2,5 ro
81
82
2,5 2,5 ro ro 3/30 7/30
2,5 ro/sw 5/50b
501 0 1
16,0 ro
D
0 1 2 3
8/86s 0,5 ro
4/P
0,35 gr/ge
2/75 0,5 ge/sw
1,0 ge/sw
6/15
1/50
4,0 sw
0,35 bl
a
A2
500
b
A 33 16,0 ro
0,22 ge/sw
1,0 ge/sw
4,0 sw
0,35 sw
0,35 sw
141
199
203
227
92
S 88 +
--
150A
c d
A 21
A
e 0,22 ro 221
35,0 br 11 29
30
31
32
33
34
35
36
37
38
39
40
41
rs = ws = sw = ro = br = gn = bl = gr = li = ge = or =
pink w hite black red brow n green blue grey lilac yellow orange
42 97--54123
A B D S88 T1
-
Battery Starter Ignition/Starter Sw itch Fuse Strip (main fuse) 1-Pin Connector, black, engine compartment, right T10a - 10-Pin Connector, brow n, connector station E-box, plenum chamber 11
- Ground connection, in battery box
A2
- Plus connection (15), in instrument panel w iring harness A21 - Wire connection (86s), in instrument panel w iring harness A32 - Plus connection (30), in instrument panel w iring harness A33 - Wire connection (75), in instrument panel w iring harness
500 - Threaded connection -1- (30), on the relay plate 501 - Threaded connection -2- (30), on the relay plate
Edit ion 12/ 01 W42.USA.5504.02.21
Ignit ion/ St arter Sw it ch, m ain fuse
Audi A4
No. 2/ 6
Wiring diagram
J...
170
E 45 0,35 bl/gn
T17e/10 0,22 bl/gn
1,0 ro/ge
T16a/5
T16a/15
a
T16a/13
T16a/12 0,5 ge/sw
0,5 sw
0,35 bl
T16a/16 0,35 gr/ge
T16a/2
T16a/14
J
527
T16a/1
0,22 ro
A2 b
rs = ws = sw = ro = br = gn = bl = gr = li = ge = or =
pink w hite black red brow n green blue grey lilac yellow orange
c
A 21
d e
1,0 br 135 43
44
45
46
47
48
49
50
51
52
53
54
55
56 97--53371
E45 - Cruise Control Sw itch J... - Engine Control M odule (ECM ) J527 - Steering Column Electronic Systems Control M odule T16a - 16-Pin Connector, black, on steering Column Electronic Systems Control M odule T17e - 17-Pin Connector, w hite, connector station E-box, plenum chamber
135 - Ground connection -2-, in instrument panel w iring harness A2 - Plus connection (15), in instrument panel w iring harness A21 - Wire connection (86s), in instrument panel w iring harness
Steering Colum n Elect ronic System s Cont rol M odule, Cruise Cont rol
Edit ion 12/ 01 W42.USA.5504.02.21
Audi A4
No. 2/ 7
Wiring diagram
E2
E 22
J
H
527
G85
rs = ws = sw = ro = br = gn = bl = gr = li = ge = or = 57
58
59
60
61
62
63
64
65
66
67
68
69
pink w hite black red brow n green blue grey lilac yellow orange
70 97--52809
E2 E22 G85 H J527
-
Turn signal sw itch Windshield Wiper/Washer Sw itch Steering Angle Sensor Signal horn activation Steering Column Electronic Systems Control M odule
Edit ion 08/ 01 W42.USA.5504.01.21
Turn signal sw it ch, w indshield Wiper/ Washer Sw it ch, steering Angle Sensor, signal horn act ivat ion, steering Colum n Elect ronic System s Cont rol M odule
Audi A4
No. 2/ 8
Wiring diagram
36 0,22 or/br
0,22 or/gn
0,22 or/br
187
0,22 or/gn
0,22 or/gn T32b/13
0,22 or/br T32b/12
A146
A147
37
2,5 2,5 ro ro T10b/9 T10b/10
T32b T10b/3 T10b/4 T23/1 T23/2 T10b/2 2,5 0,5 0,5 1,5 0,35/11 2,5 bl/li ro/ws gn/li gn/ge sw/ws sw/li
188
J
519
T10b/7 T23/20
T16a/8 T16a/9
T16a/10
rs = ws = sw = ro = br = gn = bl = gr = li = ge = or =
J 527 T16a/11
0,22 or/sw
0,22 or/br
232
230
T10c
T10c
/2
T10c
/4
T17
/8
0,35 1,5 1,5 0,5 gn/li gn/ge sw/ws sw/li 1 3/53e 1/53b 2/53
pink w hite black red brow n green blue grey lilac yellow orange
M
V
4/31
T17
/8
M
2
T1a
/7
0,5 br
1,5 ro/ws 2 M
V5
1
1,5 br
72
73
74
75
76
77
78
1,0 br
2,5 br
261 71
V 11
44 79
80
81
0,35 br
135 82
83
135 84
97--53372
J519 - Vehicle Electrical System Control M odule J527 - Steering Column Electronic Systems Control M odule T1a - 1-Pin Connector, black, connector station A-pillar, left T10b - 10-Pin Connector, black, on vehicle Electrical System Control M odule T10c - 10-Pin Connector, violet, connector station A-pillar, left T16a - 16-Pin Connector, black, on steering Column Electronic Systems Control M odule T17 - 17-Pin Connector, black, connector station A-pillar, left T23 - 23-Pin Connector, black, on vehicle Electrical System Control M odule T32b - 32-Pin Connector, grey, on vehicle Electrical System Control M odule
V - Windshield Wiper M otor V5 - Windshield Washer Pump V11 - Headlight Washer Pump 44
- Ground connection (lower left A-pillar)
135 - Ground connection -2-, in instrument panel w iring harness 261 - Ground connection, in w iring harness heated spray jet A146 - Comfort System High-bus Connection (in instrument panel w iring harness) A147 - Comfort System Low-bus Connection (in instrument panel w iring harness)
Vehicle Elect rical System Cont rol M odule, steering Colum n Elect ronic System s Cont rol M odule, w indshield Wiper M otor, Washer Pum p
Edit ion 08/ 01 W42.USA.5504.01.21
Audi A4
No. 2/ 9
Wiring diagram
J T32b /28
T32b /29
T32b T32b/25 /26 0,35 gr
T32b /32
519
T32b/27 163
41
164
245
0,5 ro
0,35 sw
0,5 sw/ge
A3 0,35 ws/gn
0,35 bl
0,35 li
0,22 ge
1/XZ
15/30
0,35 gr/ws
2/XR
0,5 gr/bl
9/NSL
17/58d
E 23
0 1 2 A
14/58 11/56 0,35 0,35 gr ge
3/TFL
7/A
E1
8/NL
10/31
A 51
241
243
0,22 gr/bl
0,22 gr/bl
*
1/58S
*
102
123
0,22 ge
*
8/58S
*
2/56b
5/31
E 102 *
3/G 0,5 gr/ge
0,35 gr/ge
A114
0,35 gr/ge
0,22 br
0,5 br
238 85
86
87
88
135 89
90
91
92
93
94
95
96
97
rs = ws = sw = ro = br = gn = bl = gr = li = ge = or =
pink w hite black red brow n green blue grey lilac yellow orange
98 97--53373
E1 E23 E102 J519 T32b -
Light sw itch Fog Light Sw itch Headlight Adjuster Vehicle Electrical System Control M odule 32-Pin Connector, grey, on vehicle Electrical System Control M odule
135 - Ground connection -2-, in instrument panel w iring harness 238 - Ground connection -1-, in w iring harness interior A3 - Plus connection (58), in instrument panel w iring harness A51 - Wire connection (56), in instrument panel w iring harness A114 - Wire connection (headlight Adjuster), in instrument panel w iring harness *
Edit ion 08/ 01 W42.USA.5504.01.21
- Not applicable to USA/CDN
Light sw it ch, headlight adjuster, Vehicle Elect rical System Cont rol M odule
Audi A4
No. 2/ 10
Wiring diagram
J T23 /21
T23/23 T23/18
0,5 ws/gn
1,0 ge/sw
1,0 ws/sw
94
T17a/8
T17a
1,0 ws/gn 1
0,5 sw/gn
T17a/15
T17a/1
T17a/2
T17a/3
*
L1
V48
*
2
0,5 br
345 102
103
0,5 sw/bl 9/BL
M1
M5
105
M18 --
2,5 br
179 104
0,5 gn +
8/31
1,0 br
179 101
0,5 gr/sw 7/58L
10/31
4/31
1,0 br
100
A181
A6
0,5 sw/bl
0,35 0,5 1,5 1,0 gn/ge ge/sw ge/sw ws/sw 2/56b 5/56b 1/56a 6/G
L 22
99
0,5 sw/gn
/16
T4k/1
pink w hite black red brow n green blue grey lilac yellow orange
T32b/21
0,5 sw/bl
1,0 ws/sw
1,0 ws/gn
rs = ws = sw = ro = br = gn = bl = gr = li = ge = or =
0,5 gr/sw
T23/9
E117
0,5 gn/ge
T17/16
T32b/3
519
0,5 br
179 106
107
108
109
179 110
111
112 97--53374
J519 L1 L22 M1 M5 M 18 T4k T17
-
T17a T23 T32b V48 -
Vehicle Electrical System Control M odule Tw in filament bulb for headlight, left Left Front Fog Light Left Parking Light Left Front Turn Signal Light Left Side Turn Signal Light 4-Pin Connector, black, near front bumper 17-Pin Connector, black, connector station A-pillar, left 17-Pin Connector, red, connector station A-pillar, left 23-Pin Connector, black, on vehicle Electrical System Control M odule 32-Pin Connector, grey, on vehicle Electrical System Control M odule Left Headlight Beam Adjusting M otor*
Left headlight , left Fog Light
179 - Ground connection, in left headlight w iring harness 345 - Ground connection (in bumper w iring harness), Fanfare/Fog light A6 - Plus connection (left turn signal), in instrument panel w iring harness A181 - Left Turn Signal Plus Connection -2- (in instrument panel w iring harness) E117 - Connector (56a left), in instrument panel w iring harness *
- Not applicable to USA/CDN
Edit ion 08/ 01 W42.USA.5504.01.21
Audi A4
No. 2/ 11
Wiring diagram
J T32b/22
0,5 bl/sw
T23/7
0,5 gr/ro
0,5 gn/sw
A5
A180
T17c/3
T23/16 T23/22
1,0 ws/ge
A 85
0,5 gn/sw
0,5 bl/sw
T32b/5
T17c/2
T23/19
1,0 ge/ws
0,5 ws/bl
95
E116
1,0 ws/ge
0,5 gr/ro
T17c/1
1,5 ge/ws
T17c
519
0,5 gr/ge
T17c/16
T17c/8
/15
*
T17/15 1,0 ws/bl
*
T4k/2 0,5 gn +
0,5 sw/gr 9/BR
M 19
0,5 gr/ro 7/58R
M7
--
0,5 br
113
114
M3
L2
10/31
8/31
1,0 br
176
1,5 1,5 0,5 0,35 ws/ge ge/ws ge/ws gr/ge 1/56a 5/56b 2/56b 6/G
115
116
117
118
V49
120
2
0,5 br
176 119
L 23
*
4/31
2,5 br
176
1,0 ws/bl 1
1,0 br
176 121
122
345 123
124
125
rs = ws = sw = ro = br = gn = bl = gr = li = ge = or =
pink w hite black red brow n green blue grey lilac yellow orange
126 97--53375
J519 L2 L23 M3 M7 M 19 T4k T17
-
T17c T23 T32b V49 -
Vehicle Electrical System Control M odule Tw in filament bulb for headlight, right Right Front Fog Light Right Parking Light Right Front Turn Signal Light Right Side Turn Signal Light 4-Pin Connector, black, near front bumper 17-Pin Connector, black, connector station A-pillar, left 17-Pin Connector, red, connector station A-pillar, right 23-Pin Connector, black, on vehicle Electrical System Control M odule 32-Pin Connector, grey, on vehicle Electrical System Control M odule Right Headlight Beam Adjusting M otor*
Edit ion 08/ 01 W42.USA.5504.01.21
176 - Ground connection, in right headlight w iring harness 345 - Ground connection (in bumper w iring harness), Fanfare/Fog light A5 - Plus connection (right turn signal), in instrument panel w iring harness A85 - Wire connection (58R), in instrument panel w iring harness A180 - Right Turn Signal Plus Connection -2- (in instrument panel w iring harness) E116 - Connector (56a, right), in instrument panel w iring harness *
- Not applicable to USA/CDN
Right headlight , right Fog Light
Audi A4
No. 2/ 12
Wiring diagram
J T23/5
1,0 bl/ro
T23/15 T23/6
0,5 gr/ws
0,5 gn/bl
T32b /4
0,35 gr/sw
T23/12 T23/14
0,5 ro/sw
0,35 sw/ro
T23/10 T32b /7
0,5 ro/sw
0,35 gr/ro
T23/4
0,5 sw/gn
T23/8
519
T32b/6
1,0 bl/ro
0,35 gr
B132 0,35 gr
B186
B187
0,5 gn/bl
rs = ws = sw = ro = br = gn = bl = gr = li = ge = or =
pink w hite black red brow n green blue grey lilac yellow orange
3/RF
2/NSL 5/BL
M16
L46
T4l/3
0,35 ro
0,5 sw/gn 4/58L
M6 M4 M4
6/54L
1/54
2/54R
M9
M 25
M 10
1/31
2/31
5/31
*
4/58R
1/BR
3/RF
M8
M17
1
X
M2 M2
2 0,35 bl
*
T4l/4 0,35 br
1,5 br 86 127
128
129
130
131
1,5 br
86
0,35 br
249
132
133
134
86 135
136
137
138
139
140 97--53376
J519 L46 M2 M4 M6 M8 M9 M 10 M 16 M 17 M 25 T4l T23
-
Vehicle Electrical System Control M odule Left Rear Fog Light Right Tail Light Left Tail Light Left Rear Turn Signal Light Right Rear Turn Signal Light Left Brake Light Right Brake Light Left Back-Up Light Right Back-Up Light High-mount Brake Light 4-Pin Connector, black, in rear lid 23-Pin Connector, black, on vehicle Electrical System Control M odule T32b - 32-Pin Connector, grey, on vehicle Electrical System Control M odule X - License Plate Light
Rear light s
86
- Ground connection -1-, in rear w iring harness
249 - Ground connection -2-, in w iring harness interior B132 - Connector (license plate light), in w iring harness interior B186 - Connector -2- (BL), in w iring harness interior B187
- Connector -2- (BR), in w iring harness interior
*
- M 2/M 4 tw in filament bulb (5W), not required
Edit ion 08/ 01 W42.USA.5504.01.21
Audi A4
No. 2/ 13
Wiring diagram
J T32b /17
T32b /8
T32b /9
T32b /18
T32b/19
T32b/1 0,35 gn/ge
176 0,22 ge/sw
0,22 ro/ge
0,22 ws/li
/13
J4
T17f
1
0,22 ro/ge 6
T4k/3
3 8/87 6/86 2,5 0,35 sw/ws gn/ge
/14
B260 0,22 ge/bl 2
A 90
2,5 1,5 ro/ge ro/ge 2/30 4/85
0,22 ge/ro
T17f
37
2,5 sw/ws
X 66
E112 0,22 ws/li 1
2,5 sw/ws
0,22 ge/ro 3
2,5 sw/ws
1,5 sw/ws
T17a/17
E 229
3
4
519
2
1,5 sw/ws
H2
G 213
H7
1,5 br
1,5 br 345
2,5 br
rs = ws = sw = ro = br = gn = bl = gr = li = ge = or =
T4k/4
0,22 br 135 141
142
0,22 br 135 143
2,5 br
0,22 br 347 144
179 145
146
147
148
149
150
151
152
153
pink w hite black red brow n green blue grey lilac yellow orange
154 97--53377
E229 G213 H2 H7 J4 J519 T4k T17a -
Sw itch for emergency flasher Rain Sensor High Tone Horn Low Tone Horn Horn Relay Vehicle Electrical System Control M odule 4-Pin Connector, black, near front bumper 17-Pin Connector, red, connector station A-pillar, left T17f - 17-Pin Connector, orange, connector station A-pillar, left T32b - 32-Pin Connector, grey, on vehicle Electrical System Control M odule
Edit ion 08/ 01 W42.USA.5504.01.21
135 - Ground connection -2-, in instrument panel w iring harness 179 - Ground connection, in left headlight w iring harness 345 - Ground connection (in bumper w iring harness), Fanfare/Fog light 347 - Ground connection (in roof w iring harness) A90 - Connector (two-tone horn), in instrument panel w iring harness B260 - Connector (emergency flasher), in w iring harness interior E112 - Connector (Horn-87h) in instrument panel w iring harness X66 - Horn Connection (in front bumper w iring harness)
Sw it ch for em ergency flasher, t w o-tone horn, rain Sensor, vehicle Elect rical System Cont rol M odule
Audi A4
No. 2/ 14
Wiring diagram
29
J
6,0 ro
A 57
519
a 0,5 ro
T32b /10
T32b /15
T10b/8 T10b/5 T32b/2
91
A 34 0,22 ws/ro
0,22 ro/sw
A154
0,5 sw/ge
0,5 ro 3
4,0 ro 1
0,5 sw/ge
J 59 A 18
1,0 ws/ro
1,0 ro/sw
2
4
3
1
6 4
4,0 2,5 sw/ge sw/ge 36 37
S 236 S 237
94
30A 20A 36a 37a 2,5 2,5 sw/ge sw/gn
2 4,0 sw/ge
F
0,5 1,0 1,0 ro/ws * * sw/br* ro/br 204
rs = ws = sw = ro = br = gn = bl = gr = li = ge = or =
pink w hite black red brow n green blue grey lilac yellow orange
b
A104 0,5 ro/ws
T10a/8
155
156
157
158
159
160
161
162
163
164
165
166
167
168 97--53378
F J59 J519 S236 S237 T10a -
Brake Light Sw itch Load Reduction Relay Vehicle Electrical System Control M odule Fuse in fuse holder Fuse in fuse holder 10-Pin Connector, brow n, connector station E-box, plenum chamber T10b - 10-Pin Connector, black, on vehicle Electrical System Control M odule T32b - 32-Pin Connector, grey, on vehicle Electrical System Control M odule
A18 - Wire connection (54), in instrument panel w iring harness A34 - Wire connection (75x), in instrument panel w iring harness A57 - Plus connection -3- (30), in instrument panel w iring harness A154 - Wire connection (Brake Light Sw itch), in instrument panel w iring harness A104 - Plus connector -2-, in instrument panel w iring harness
Brake Light Sw it ch, load Reduct ion Relay, vehicle Elect rical System Cont rol M odule
Edit ion 08/ 01 W42.USA.5504.01.21
Audi A4
No. 2/ 15
Wiring diagram
A 57 a
6,0 ro
2,5 ro
12
13
14
15
39
S 12
S 13 S 14 S 15 10A 10A 10A 10A 12a 13a 14a 15a 0,5 1,0 1,0 1,0 ro/sw ro/ge ro/br ro/bl
A 50
40
33
S 239 S 240
22
S 233
20A 25A 39a 40a 2,5 2,5 ro/bl ro/ge
A129
1,5 ro
15A 33a 1,5 ro/bl
A 46
0,5 ro/bl 260
54
225
147 0,35 gr
2,5 ro/bl 2
b
T8/2
T8/7
249
251
0,35 gr/bl 1
0,22 gr/bl 1
T8/8
U1
3
1,5 br
170
171
172
173
174
175
176
177
2
1,5 br
610 169
L28
0,22 br
135 178
L15
238 179
180
181
rs = ws = sw = ro = br = gn = bl = gr = li = ge = or =
pink w hite black red brow n green blue grey lilac yellow orange
182 97--53379
L15 L28 S12 S13 S14 S15 S233 S239 S240 T8 U1 -
Ashtray Light Cigarette Lighter Light Fuse in fuse holder/relay panel Fuse in fuse holder/relay panel Fuse in fuse holder/relay panel Fuse in fuse holder/relay panel Fuse in fuse holder Fuse in fuse holder Fuse in fuse holder 8-Pin Connector, black, radio connector III Cigarette Lighter
Edit ion 12/ 01 W42.USA.5504.02.21
135 - Ground connection -2-, in instrument panel w iring harness 238 - Ground connection -1-, in w iring harness interior 610 - Ground connection (Audio) (under center console, front) A46 - Plus connection (30-from radio), in instrument panel w iring harness A50 - Plus connection (30as), in instrument panel w iring harness A57 - Plus connection -3- (30), in instrument panel w iring harness A129 - Wire connection (quiet sw itch), in instrument panel w iring harness
Asht ray Light , cigarette Lighter, fuses, radio connector III
Audi A4
No. 2/ 16
Wiring diagram
30 6,0 ro
24
A 87 1,0 bl/ro
1,0 bl/ro
1 0,5 br/gr
W6 0,5 ro/ge
T17d
pink w hite black red brow n green blue grey lilac yellow orange
0,22 or/gn
0,22 or/gn
I/4 0,5 ro/ge
II/6
T12d
/15
rs = ws = sw = ro = br = gn = bl = gr = li = ge = or =
74
V/12
/4
V/13
J 393
II/13 0,35 ro/gr
0,5 ro/li
T12d/2
0,35 ro/li
1 0,5 br
F/6 4,0 ws/li
2 0,5 ro/gr
E 87
C 18
Z1
B180
T12d/1 0,5 ro/li 1
E 26
206
F/5
A 29
2
1,0 bl/ro
26
S 226
5A 30A 2a 26a 0,5 4,0 ro/li ws/ge
73
III/7
2
2
S2
4,0 ws/li 2
W 10
1 0,35 ro/gn
B248
C 18
W9
C 18
T12d/7 0,5 br
4,0 br
238 183
184
73 185
186
187
188
189
190
191
192
193
194
73 195
196 97--54468
C18 E26 E87 J393 S2 S226 T12d T17d W6 W9 W10 Z1
-
Windshield Antenna Suppression Filter Glove compartment light A/C Control Head Central control module for comfort system Fuse in fuse holder/relay panel Fuse in fuse holder 12-Pin Connector, brow n, near glove Compartment 17-Pin Connector, red, connector station E-box, plenum chamber Glove Compartment Light Left Footwell Light Right Footwell Light Heated rear w indow
73
- Ground connection, on roof bow, rear
238 - Ground connection -1-, in w iring harness interior A29 - Wire connection (interior light), in instrument panel w iring harness A87 - Connector (reverse lamp), in instrument panel w iring harness B180 - Connection (heated rear w indow ), in w iring harness interior B248 - Heated Rear Window Connection -2- (in interior w iring harness)
Glove Com part m ent Light , left Foot w ell Light , right Foot w ell Light , heated rear w indow
Edit ion 12/ 01 W42.USA.5504.02.21
Audi A4
No. 2/ 17
Wiring diagram
31 6,0 ro
38
39
1,0 ge/sw *
4,0 sw
3
5
S3
S5
2,5 ro 7
31
35
S 231 S7 10A 15A 10A 5a 31a 7a 1,5 1,0 1,5 sw/ro sw/br sw/bl
5A
3a 0,5 gr/gn *
A 74
A 52
S 235
30A 35a 2,5 ro/gr
A 70
A 20
T10c/3 1,0 sw/ro
1,0 sw/br
1,5 sw/bl
0,5 sw/bl
T10a/5 0,5 gr/gn* 1
0,5 gr/gn* 1
Z 20 2
1,5 sw/bl 2
3
Z 21
223
156
258 2 1,0 bl/ro
2
F4
1
rs = ws = sw = ro = br = gn = bl = gr = li = ge = or =
U
183 0,5 br
0,5 br
*
261 197
198
199
2,5 br
*
261 200
201
249 202
203
204
205
206
207
208
209
pink w hite black red brow n green blue grey lilac yellow orange
210 97--54469
F4 S3 S5 S7 S231 S235 T10a T10c U Z20 Z21 -
Back-Up Light Sw itch Fuse in fuse holder/relay panel Fuse in fuse holder/relay panel Fuse in fuse holder/relay panel Fuse in fuse holder Fuse in fuse holder 10-Pin Connector, brow n, connector station E-box, plenum chamber 10-Pin Connector, violet, connector station A-pillar, left Socket Left Washer Nozzle Heater Right Washer Nozzle Heater
Edit ion 12/ 01 W42.USA.5504.02.21
249 - Ground connection -2-, in w iring harness interior 261 - Ground connection, in w iring harness heated spray jet A20 - Wire connection (15a), in instrument panel w iring harness A52 - Plus connection -2- (30), in instrument panel w iring harness A70 - Connector (15a, fuse 231), in instrument panel w iring harness A74 - Connector (15a, fuse 5), in instrument panel w iring harness 3
- Only heated spray jets
Fuses, Socket , heated spray jet
Audi A4
No. 2/ 18
Wiring diagram
0,22 ro
1
0,22 sw
0,22 gn
T32/22
G3
D2
2
34
T32/30 T32/31
G1 J 285
T32/1 0,22 br/ro
T32/2
0,35 bl/ge
T32/4
T32/3
0,35 bl/br
0,35 li/sw
T32/11
0,35 li/sw
T32/21
*
T17/9 T10/7 T10/9
0,35 ro/gr
T10d
/9
1,0 sw/ro
T14/4
rs = ws = sw = ro = br = gn = bl = gr = li = ge = or =
pink w hite black red brow n green blue grey lilac yellow orange
0,5 bl/ge 1
0,35 bl/br 2
F77
0,35 br/ge
3 F66 2 0,35 0,35 br/ge br/ge
G2
G
3
G*169
0,35 br/ge
T17
T10
/10
0,35 br/ge
269
269 212
213
214
215
1 0,35 br/ge
0,35 ro/gr 3
F38
0,5 br/ge
269
216
217
0,5 sw/ro 1
2
/10
0,5 br
219
220
221
0,22 br/ge 83
269 218
/2
T10d 0,35 br/ge
0,5 br/ge *
269
G 266
0,35 br/ge
T14/3
/6
327
0,35 br/ge
211
3
T10a
0,35 ge/gr 2
2
2
203
T10a
/9
0,35 ge/gr
0,5 br/ro
T32/32
T32/23
0,35 ge/gr
222
223
269 224
97--54137
D2 F38 F66 F77 G G1 G2 G3 G169 G266 J285 -
Induction Coil of Anti-theft Immobilizer Ambient Temperature Sw itch Engine Coolant Level (ECL) Warning Sw itch Windshield Washer Fluid Level Warning Sw itch Sender for fuel gauge Fuel Gauge Engine Coolant Temperature (ECT) Sensor Engine Coolant Temperature (ECT) Gauge Fuel Level Sensor 2 Oil Level Thermal Sensor Control module w ith indicator unit in instrument panel insert T10 - 10-Pin Connector, black, connector station E-box, plenum chamber T10a - 10-Pin Connector, brow n, connector station E-box, plenum chamber
T10d - 10-Pin Connector, grey, connector station A-pillar, left T14 - 14-Pin Connector, black, in engine compartment, left T17 - 17-Pin Connector, black, connector station A-pillar, left T32 - 32-Pin Connector, blue, on instrument panel insert 83
- Ground connection -1-, in right front w iring harness 269 - Ground connection (sensor Ground) -1-, in instrument panel w iring harness 327 - Ground connection (sensor Ground), in engine compartment w iring harness 3
- only quattro
Cont rol m odule w it h indicator unit in inst rum ent panel insert
Edit ion 12/ 01 W42.USA.5504.02.21
Audi A4
No. 2/ 19
Wiring diagram
172
40
0,5 ro/bl
0,35 sw
T32a/2
J 234
68
0,35 ws/ge
T32a/3 T32a/7
K 75
G 21
K2
G5 J 285
T32a/5
T32a/9 0,35 ge/bl
0,35 br/ro
T10/10
T32a/12
T32a/13
0,22 or/br
T10c/10
J ...
J ...
0,22 or/br
0,22 or/sw
1
0,5 ge/bl 1
G 22 3/31
0,35 bl
0,22 or/sw
0,5 ws/gr
A121 T2/1
F34 0,22 or/br
0,22 or/sw
rs = ws = sw = ro = br = gn = bl = gr = li = ge = or =
F1
73
71
0,35 bl D+/61
C
0,5 br 261
83 226
T10/1
2
0,5 br
225
A122
0,35 bl
/14
0,22 or/br
T10/3
A 17
T17d
/13
T32a/16 0,35 ws/gr
0,35 bl
T17d 0,5 br/ro 2/G
T32a/14
0,22 or/sw
227
228
229
230
231
232
233
234
235
236
237
pink w hite black red brow n green blue grey lilac yellow orange
238 97--53383
C F1 F34 G5 G21 G22 J... J234 J285
-
K2 K75 T2 T10 -
Generator (GEN) Oil Pressure Sw itch Brake Fluid Level Warning Sw itch Tachometer Speedometer Speedometer Vehicle Speed Sensor Engine Control M odule (ECM ) Airbag Control M odule Control module w ith indicator unit in instrument panel insert Generator (GEN) Warning Light Airbag M alfunction Indicator Lamp (M IL) Double Connector, black, engine compartment, right 10-Pin Connector, black, connector station E-box, plenum chamber
Edit ion 12/ 01 W42.USA.5504.02.21
T10c - 10-Pin Connector, violet, connector station A-pillar, left T17d - 17-Pin Connector, red, connector station E-box, plenum chamber T32a - 32-Pin Connector, green, on instrument panel insert 83
- Ground connection -1-, in right front w iring harness 261 - Ground connection, in w iring harness heated spray jet A17 - Wire connection (61), in instrument panel w iring harness A121 - Wire connection (High-bus), in instrument panel w iring harness A122 - Wire connection (Low-bus), in instrument panel w iring harness
Cont rol m odule w it h indicator unit in inst rum ent panel insert
Audi A4
No. 2/ 20
Wiring diagram
1 0,35 ge
3 0,35 ro/gn
2 0,35 br/ws
J 489
T4m/1 T4m/2 T4m/4
Y8
J 285
T32a/17 0,5 gr/bl
A175
rs = ws = sw = ro = br = gn = bl = gr = li = ge = or =
pink w hite black red brow n green blue grey lilac yellow orange
0,22 gr/bl 1
2
L67
0,22 br
87
98
179
181
0,22 gr/bl
0,22 gr/bl
0,5 gr/bl
0,35 gr/bl
0,22 gr/bl
0,22 gr/bl 1
0,22 gr/bl 1
0,22 gr/bl 1
0,22 gr/bl 1
0,22 gr/bl 1
2
L68
0,22 br
81 239
85
241
L69
0,22 br
238 240
2
2
243
L120
0,22 br
238 242
0,22 gr/bl 1
245
L121
0,22 br
238 244
2
247
L122
0,22 br
238 246
2
249
L50
0,22 br
238 248
2
238 250
251
252 97--53384
J285 - Control module w ith indicator unit in instrument panel insert J489 - Radio Frequency Controlled Clock Receiver L50 - Rear Center Ashtray Light L67 - Left Instrument Panel Vent Illumination L68 - Center Instrument Panel Vent Illumination L69 - Right Instrument Panel Vent Illumination L120 - Storage Compartment Illumination L121 - Cup Holder Illumination L122 - Coin Holder Illumination T4m - 4-Pin Connector, black, on instrument panel insert T32a - 32-Pin Connector, green, on instrument panel insert Y8 - Radio Frequency Controlled Clock
81
- Ground connection -1-, in instrument panel w iring harness 238 - Ground connection -1-, in w iring harness interior A175 - Wire connection (58s), in instrument panel w iring harness
Cont rol m odule w it h indicator unit in inst rum ent panel insert , Inst rum ent Panel Vent Illum inat ion, radio Frequency Cont rolled Clock
Edit ion 12/ 01 W42.USA.5504.02.21
Audi A4
No. 2/ 21
Wiring diagram
J 285
T32a /18
T32a /19
T32a/22
T32a/32 0,22 br/gn
T32a/23
0,22 sw/ro
0,22 gn/ro
T17b/4 0,35 sw/ro
0,5 sw/bl
17
T17b/3
A 76 205
169 0,35 gn/ro
0,5 ro/sw
0,35 br/gn
T16/1 T16/7 T16/16
J 104
T16/4 T16/5
G 34
2
1
1
rs = ws = sw = ro = br = gn = bl = gr = li = ge = or =
G 35
2
T4n/2 T4n/1 T4o/2 T4o/1 0,22 br 135 253
0,35 br
0,22 br 135 254
179 255
256
257
258
0,35 br
0,35 br
179 259
0,35 sw
179 260
261
262
263
264
265
pink w hite black red brow n green blue grey lilac yellow orange
266 97--53385
G34 G35 J104 J285
-
T4n T4o T16 T17b T32a -
Left Front Brake Pad Wear Sensor Right Front Brake Pad Wear Sensor ABS Control M odule (w /EDL) Control module w ith indicator unit in instrument panel insert 4-Pin Connector, black, left front 4-Pin Connector, black, right front 16-Pin Data Link Connector (DLC), black, under instrument panel, left 17-Pin Connector, green, connector station A-pillar, left 32-Pin Connector, green, on instrument panel insert
Edit ion 12/ 01 W42.USA.5504.02.21
135 - Ground connection -2-, in instrument panel w iring harness 179 - Ground connection, in left headlight w iring harness A76 - Wire connection (K-diagnosis w ire), in instrument panel w iring harness
Brake Pad Wear Sensor, cont rol m odule w it h indicator unit in inst rum ent panel insert , Dat a Link Connector (DLC)
