audi a4 no. 2/1 wiring diagram
TRANSCRIPT
Edit ion 08/ 01W42.USA.5504.01.21
Wiring diagram
A97--0220
Main fuse
4-Pin Relay Carrier w ith threadedconnect ion
A97--0248
5 6 7
1 2 3 4
A97--0245
1 23
4
CB
G
E F
AD
H
Connector stat ion E-box, plenum cham-ber
Audi A4 No. 2/ 1
Standard Equipment
from 2002 m. y.
Edit ion 08/ 01W42.USA.5504.01.21
Wiring diagram
Fuse holder
9-Pin Relay Carrier in the inst rumentpanel
Relay Locat ion :
A97--0242
2322
2120
1918
1716
1514
1312
1110
98
76
5
34
12
4443
4241
40
37
3938
3635
3433
3231
3029
2827
2625
24
Res
Res
Res
Res
Res
8 97
A97--0243
A
1
B
2 3 4 5 6
15 A10 A
25 A20 A
30 A
Fuse Colors
--
--
-
GreenWhite
BlueRed
Yellow
- Orange5A - Beige
7,5A
Fuse in fusebox from 23 onwards are numbered 223onwards in Current Flow Diagram.
3 - Horn Relay
6 - Load Reduction Relay
Audi A4 No. 2/ 2
1 2 3 4 5 6 7 8 9 10 11 12 13 14
97--52805
3
35,0sw
179 345
T4k/42,5br
2,5br
8312
4,0br
12 179
4,0br
6,0br
8650
6,0br
78 249
2,5br
34744
Edit ion 08/ 01W42.USA.5504.01.21
Wiring diagram
ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = lilacge = yellow
Ground connect ions
or = orange
rs = pink
Audi A4 No. 2/ 3
T4k - 4-Pin Connector, black, near front bumper
3 - Ground strap, engine to body
12 - Ground connection, in engine compartment,left
44 - Ground connection (lower left A-pillar)
50 - Ground connection, in luggage compartment,left
78 - Ground connection (lower right B-pillar)
83 - Ground connection -1-, in right front wiringharness
86 - Ground connection -1-, in rear wiring harness
179 - Ground connection, in left headlight wiringharness
249 - Ground connection -2-, in wiring harnessinterior
345 - Ground connection (in bumper wiring harness),Fanfare/Fog light
347 - Ground connection (in roof wiring harness)
15 16 17 18 19 20 21 22 23 24 25 26 27 28
32
6,0br
44 81
6,0br
44 238
6,0br
43 135
6,0br
43 261135
T10c/11,5
br1,5br
43 176
4,0br
97--53043
Edit ion 08/ 01W42.USA.5504.01.21
Wiring diagram
ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = lilacge = yellow
Ground connect ions
or = orange
rs = pink
Audi A4 No. 2/ 4
T10c - 10-Pin Connector, violet, connector stationA-pillar, left
32 - Ground connection, behind instrument panel,left
43 - Ground connection (lower right A-pillar)
44 - Ground connection (lower left A-pillar)
81 - Ground connection -1-, in instrument panelwiring harness
135 - Ground connection -2-, in instrument panelwiring harness
176 - Ground connection, in right headlight wiringharness
238 - Ground connection -1-, in wiring harnessinterior
261 - Ground connection, in wiring harness heatedspray jet
29 30 31 32 33 34 35 36 37 38 39 40 41 42
97--54123
2/754/P8/86sD
3/30 7/30
0,5ro
0,35gr/ge
2,5ro
1/50
2,5ro
6/15
4,0sw
0 1 0 1 2 3
6,0ro
2,5ro
2,5ro
0,35bl
0,5ge/sw
1,0ge/sw
A32
A21
A33
a
c
d
e
11
--A
+
35,0br
501
b
221
0,22ro
203
B
5/50b
2,5ro/sw
2,5sw
T1
T10a/4
2,5ro/sw
6,0ro
6,0ro
6,0ro
208163 190
81 82
199
1,0ge/sw
A2
227
4,0sw
141
0,22ge/sw
S88150A
16,0ro
500
0,35sw
16,0ro
0,35sw
92
Edit ion 12/ 01W42.USA.5504.02.21
Wiring diagram
ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = lilacge = yellow
Ignit ion/ Starter Sw itch, main fuse
or = orange
rs = pink
Audi A4 No. 2/ 5
A - BatteryB - StarterD - Ignition/Starter SwitchS88 - Fuse Strip (main fuse)T1 - 1-Pin Connector, black, engine compartment,
rightT10a - 10-Pin Connector, brown, connector station
E-box, plenum chamber
11 - Ground connection, in battery box
500 - Threaded connection -1- (30), on the relay plate
501 - Threaded connection -2- (30), on the relay plate
A2 - Plus connection (15), in instrument panel wiringharness
A21 - Wire connection (86s), in instrument panelwiring harness
A32 - Plus connection (30), in instrument panel wiringharness
A33 - Wire connection (75), in instrument panelwiring harness
43 44 45 46 47 48 49 50 51 52 53 54
97--53371
55 56
E 45
1,0br
1,0ro/ge
A21
T16a/15
0,35gr/ge
0,35bl
0,5ge/sw
T16a/12 T16a/16 T16a/1
T16a/2
0,22ro
T16a/14
A2
0,5sw
T16a/13
J 527
135
0,22bl/gn
T16a/5
J...
T17e/10
0,35bl/gn
170
a
c
d
e
b
Edit ion 12/ 01W42.USA.5504.02.21
Wiring diagram
ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = lilacge = yellow
Steering Column Electronic Systems Control Module, Cruise Control
or = orange
rs = pink
Audi A4 No. 2/ 6
E45 - Cruise Control SwitchJ... - Engine Control Module (ECM)J527 - Steering Column Electronic Systems Control
ModuleT16a - 16-Pin Connector, black, on steering Column
Electronic Systems Control ModuleT17e - 17-Pin Connector, white, connector station
E-box, plenum chamber
135 - Ground connection -2-, in instrument panelwiring harness
A2 - Plus connection (15), in instrument panel wiringharness
A21 - Wire connection (86s), in instrument panelwiring harness
57 58 59 60 61 62 63 64 65 66 67 68
97--52809
69 70
E 2 E 22
G85H
J 527
Edit ion 08/ 01W42.USA.5504.01.21
Wiring diagram
ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = lilacge = yellow
Turn signal sw itch, w indshield Wiper/ Washer Sw itch, steering Angle Sensor,signal horn act ivat ion, steering Column Electronic Systems Control Module
or = orange
rs = pink
Audi A4 No. 2/ 7
E2 - Turn signal switchE22 - Windshield Wiper/Washer SwitchG85 - Steering Angle SensorH - Signal horn activationJ527 - Steering Column Electronic Systems Control
Module
97--53372
71 72 73 74 75 76 77 78 79 80 81 82 83 84
T23/20
J 519
J 527
A147T32b/12
0,22or/gn
0,22or/br
0,22or/gn
T32b/13
0,22or/sw
0,22or/br
T16a/8
T16a/10
A146
T10b/7
0,35br
135
1,0br
135
230232
T16a/9
T16a/11
0,35gn/li
2,5gn/ge
2,5sw/ws
T32b/11
T10b/3
M
3/53e 1/53b 2/53
261
1,5br
T10c/2
T10b/4
T10c/4
T10c/8
0,35gn/li
1,5gn/ge
1,5sw/ws
M
1
V5V
0,5sw/li
T17/8
0,5bl/li
T17/7
0,5sw/li
0,5br
T23/1 T23/2 T10b/2
T1a
1,5ro/ws
M
V11
44
2,5br
T10b/9
2,5ro
36
T10b/10
2,5ro
37
1,5ro/ws
2
4/31 2 1
0,22or/br
0,22or/br
0,22or/gn
187 188
Edit ion 08/ 01W42.USA.5504.01.21
Wiring diagram
ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = lilacge = yellow
Vehicle Elect rical System Control Module, steering Column ElectronicSystems Control Module, w indshield Wiper Motor, Washer Pump
or = orange
rs = pink
Audi A4 No. 2/ 8
J519 - Vehicle Electrical System Control ModuleJ527 - Steering Column Electronic Systems Control
ModuleT1a - 1-Pin Connector, black, connector station
A-pillar, leftT10b - 10-Pin Connector, black, on vehicle Electrical
System Control ModuleT10c - 10-Pin Connector, violet, connector station
A-pillar, leftT16a - 16-Pin Connector, black, on steering Column
Electronic Systems Control ModuleT17 - 17-Pin Connector, black, connector station
A-pillar, leftT23 - 23-Pin Connector, black, on vehicle Electrical
System Control ModuleT32b - 32-Pin Connector, grey, on vehicle Electrical
System Control Module
V - Windshield Wiper MotorV5 - Windshield Washer PumpV11 - Headlight Washer Pump
44 - Ground connection (lower left A-pillar)
135 - Ground connection -2-, in instrument panelwiring harness
261 - Ground connection, in wiring harness heatedspray jet
A146 - Comfort System High-bus Connection (ininstrument panel wiring harness)
A147 - Comfort System Low-bus Connection (ininstrument panel wiring harness)
85 86 87 88 89 90 91 92 93 94 95 96 97 98
97--53373
1E23E
2/XR15/30 17/58d1/XZ
14/58 10/317/A 8/NL3/TFL
T32b/26
T32b/25
135
A3
A51
16441163 245
0,35gr
0,22ge
0,35gr
0,5ro
0,35sw
0,5sw/ge
0,5gr/bl
J 519
11/56
9/NSL
0,35gr/ws
T32b/32
0,35li
T32b/29
0,35bl
T32b/27T32b/28
0,35ws/gn
0,35ge
10 2 A
0,5br
102E
8/58S 2/56b
5/31
1/58S
0,22gr/bl
0,22gr/bl
3/G0,5
gr/ge0,35gr/ge
0,35gr/ge
0,22br
238
A114
243241 102 123
0,22ge
*
*
** *
Edit ion 08/ 01W42.USA.5504.01.21
Wiring diagram
ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = lilacge = yellow
Light sw itch, headlight adjuster, Vehicle Elect rical System Control Module
or = orange
rs = pink
Audi A4 No. 2/ 9
E1 - Light switchE23 - Fog Light SwitchE102 - Headlight AdjusterJ519 - Vehicle Electrical System Control ModuleT32b - 32-Pin Connector, grey, on vehicle Electrical
System Control Module
135 - Ground connection -2-, in instrument panelwiring harness
238 - Ground connection -1-, in wiring harnessinterior
A3 - Plus connection (58), in instrument panel wiringharness
A51 - Wire connection (56), in instrument panelwiring harness
A114 - Wire connection (headlight Adjuster), ininstrument panel wiring harness
* - Not applicable to USA/CDN
97--53374
100 101 102 103 104 105 106 107 108 109 110 111
4/31
M18
+
--
M5M 1L 1
10/31
9/BL7/58L1/56a
179
5/56b2/56b6/G
179
1,0br
8/31
179
2,5br
V48
179
0,5br
0,5br
0,5gn
0,5sw/bl
1,0ws/sw
0,35gn/ge
112
0,5ge/sw
1,5ge/sw
0,5gr/sw
99
A6E117
T17a/16
T17a/3T17a/2T17a/1T17a/15T17a/8
0,5sw/bl
1,0ws/sw
L 22
1
345
1,0br
1,0ws/gn
T17/16
T4k/1
1,0ws/gn
T23/9
0,5sw/bl
1,0ws/sw
0,5gr/sw
T32b/3T23/18
J 519
2
T23/21
0,5ws/gn
0,5gn/ge
1,0ge/sw
T23/23 T32b/21
0,5sw/gn
A181
0,5sw/gn
94
*
*
Edit ion 08/ 01W42.USA.5504.01.21
Wiring diagram
ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = lilacge = yellow
Left headlight , left Fog Light
or = orange
rs = pink
Audi A4 No. 2/ 10
J519 - Vehicle Electrical System Control ModuleL1 - Twin filament bulb for headlight, leftL22 - Left Front Fog LightM1 - Left Parking LightM5 - Left Front Turn Signal LightM18 - Left Side Turn Signal LightT4k - 4-Pin Connector, black, near front bumperT17 - 17-Pin Connector, black, connector station
A-pillar, leftT17a - 17-Pin Connector, red, connector station
A-pillar, leftT23 - 23-Pin Connector, black, on vehicle Electrical
System Control ModuleT32b - 32-Pin Connector, grey, on vehicle Electrical
System Control ModuleV48 - Left Headlight Beam Adjusting Motor*
179 - Ground connection, in left headlight wiringharness
345 - Ground connection (in bumper wiring harness),Fanfare/Fog light
A6 - Plus connection (left turn signal), in instrumentpanel wiring harness
A181 - Left Turn Signal Plus Connection -2- (ininstrument panel wiring harness)
E117 - Connector (56a left), in instrument panel wiringharness
* - Not applicable to USA/CDN
T17c/16
97--53375
M 19
+
--
M7 M 3 L 2
8/31
9/BR 7/58R
176 176
2,5br
10/31
176
1,0br
V49
176
0,5br
0,5br
0,5gn
0,5sw/gr
0,5gr/ro
1,5ws/ge
1,5ge/ws
0,35gr/ge
0,5ge/ws
113 114 115 116 117 118 119 120 121 122 123 124 125 126
1/56a 5/56b 2/56b 6/G
T17c/3 T17c/2 T17c/1 T17c/15
T17c/8
A5 E116
0,5gn/sw
1,0ws/ge
0,5gr/ge
1,5ge/ws
0,5bl/sw
1,0ws/ge
0,5gr/ro
L 23
1
2
345
1,0br
1,0ws/bl
T17/15
T4k/2
1,0ws/bl
J 519
T32b/22 T32b/5 T23/16
0,5gn/sw
T23/7
1,0ge/ws
T23/22
0,5ws/bl
T23/19
0,5bl/sw
0,5gr/ro
4/31
A85A180 95
*
**
Edit ion 08/ 01W42.USA.5504.01.21
Wiring diagram
ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = lilacge = yellow
Right headlight , right Fog Light
or = orange
rs = pink
Audi A4 No. 2/ 11
J519 - Vehicle Electrical System Control ModuleL2 - Twin filament bulb for headlight, rightL23 - Right Front Fog LightM3 - Right Parking LightM7 - Right Front Turn Signal LightM19 - Right Side Turn Signal LightT4k - 4-Pin Connector, black, near front bumperT17 - 17-Pin Connector, black, connector station
A-pillar, leftT17c - 17-Pin Connector, red, connector station
A-pillar, rightT23 - 23-Pin Connector, black, on vehicle Electrical
System Control ModuleT32b - 32-Pin Connector, grey, on vehicle Electrical
System Control ModuleV49 - Right Headlight Beam Adjusting Motor*
176 - Ground connection, in right headlight wiringharness
345 - Ground connection (in bumper wiring harness),Fanfare/Fog light
A5 - Plus connection (right turn signal), in instrumentpanel wiring harness
A85 - Wire connection (58R), in instrument panelwiring harness
A180 - Right Turn Signal Plus Connection -2- (ininstrument panel wiring harness)
E116 - Connector (56a, right), in instrument panelwiring harness
* - Not applicable to USA/CDN
127 128 129 130 131 132 133 134 135 136 137 138 139 140
97--53376
1,5br
1,5br
M16 L46 M6 M9
1/31
86
3/RF 5/BL 4/58L 6/54L
M10
5/31
M8 M17
0,5sw/gn
2/54R 4/58R 1/BR2/NSL 3/RF1/54
86
2/31
M25
0,35br
249
1
2
X
86
0,35br
0,35ro
T4l/3
0,5ro/sw
T4l/4
0,35bl
J 519
T32b/6T23/5
1,0bl/ro
T23/15
0,5gr/ws
T23/6
0,5gn/bl
0,5gn/bl
0,35gr/sw
T32b/4
T23/12
0,35sw/ro
T23/14
0,5ro/sw
T23/10
0,35gr/ro
T32b/7
0,5sw/gn
T23/4
1,0bl/ro
T23/8
0,35gr
B186 B187
M4 M2M4 M2
**
0,35gr
B132
Edit ion 08/ 01W42.USA.5504.01.21
Wiring diagram
ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = lilacge = yellow
Rear lights
or = orange
rs = pink
Audi A4 No. 2/ 12
J519 - Vehicle Electrical System Control ModuleL46 - Left Rear Fog LightM2 - Right Tail LightM4 - Left Tail LightM6 - Left Rear Turn Signal LightM8 - Right Rear Turn Signal LightM9 - Left Brake LightM10 - Right Brake LightM16 - Left Back-Up LightM17 - Right Back-Up LightM25 - High-mount Brake LightT4l - 4-Pin Connector, black, in rear lidT23 - 23-Pin Connector, black, on vehicle Electrical
System Control ModuleT32b - 32-Pin Connector, grey, on vehicle Electrical
System Control ModuleX - License Plate Light
86 - Ground connection -1-, in rear wiring harness
249 - Ground connection -2-, in wiring harnessinterior
B132 - Connector (license plate light), in wiringharness interior
B186 - Connector -2- (BL), in wiring harness interior
B187 - Connector -2- (BR), in wiring harness interior
* - M2/M4 twin filament bulb (5W), not required
97--53377
141 142 143 144 145 146 147 148 149 150 151 152 153 154
E 229
1 62
43
0,22br
135
0,22br
135
0,22ge/bl
0,22ro/ge
J4/85
6/86
4
2/30
8/87
A90
E112
3
0,35gn/ge
0,35gn/ge
1,5ro/ge
2,5ro/ge
2,5sw/ws
2,5sw/ws
T4k/4
H2
179
2,5br
H7T17a/17
T4k/3
2,5sw/ws
2,5sw/ws
1,5sw/ws
1,5sw/ws
2,5br
1,5br
1,5br
X66
345
176
J 519
T32b/9
T32b/8
T32b/1T32b/17
0,22ge/sw
37
31
0,22ws/li
0,22ge/ro
T32b/19T32b/18
0,22ws/li
0,22ge/ro
T17f/14
T17f/13
0,22br
347
2 G213
0,22ro/ge
E112B260
Edit ion 08/ 01W42.USA.5504.01.21
Wiring diagram
ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = lilacge = yellow
Sw itch for emergency flasher, tw o-tone horn, rain Sensor,vehicle Elect rical System Control Module
or = orange
rs = pink
Audi A4 No. 2/ 13
E229 - Switch for emergency flasherG213 - Rain SensorH2 - High Tone HornH7 - Low Tone HornJ4 - Horn RelayJ519 - Vehicle Electrical System Control ModuleT4k - 4-Pin Connector, black, near front bumperT17a - 17-Pin Connector, red, connector station
A-pillar, leftT17f - 17-Pin Connector, orange, connector station
A-pillar, leftT32b - 32-Pin Connector, grey, on vehicle Electrical
System Control Module
135 - Ground connection -2-, in instrument panelwiring harness
179 - Ground connection, in left headlight wiringharness
345 - Ground connection (in bumper wiring harness),Fanfare/Fog light
347 - Ground connection (in roof wiring harness)
A90 - Connector (two-tone horn), in instrument panelwiring harness
B260 - Connector (emergency flasher), in wiringharness interior
E112 - Connector (Horn-87h) in instrument panelwiring harness
X66 - Horn Connection (in front bumper wiringharness)
97--53378
155 156 157 158 159 160 161 162 163 164 165 166 167 168
T32b/2
J 519
J
4
59
26
0,5sw/ge
4,0sw/ge
A34
23720AS236
30AS
37a36a
T10b/8 T10b/5
2,5sw/ge
2,5sw/gn
A57
3 1
0,5ro
4,0ro
3736
4,0sw/ge
2,5sw/ge
29
6,0ro
0,5ro
91
0,5sw/ge
94
a
T32b/10
T32b/15
A18
2 4
13F
1,0sw/br
A154
1,0ro/sw
1,0ws/ro
0,22ro/sw
0,22ws/ro
b
1,0ro/br
A104
0,5ro/ws
0,5ro/ws
204
T10a/8
***
Edit ion 08/ 01W42.USA.5504.01.21
Wiring diagram
ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = lilacge = yellow
Brake Light Sw itch, load Reduct ion Relay, vehicle Elect rical SystemControl Module
or = orange
rs = pink
Audi A4 No. 2/ 14
F - Brake Light SwitchJ59 - Load Reduction RelayJ519 - Vehicle Electrical System Control ModuleS236 - Fuse in fuse holderS237 - Fuse in fuse holderT10a - 10-Pin Connector, brown, connector station
E-box, plenum chamberT10b - 10-Pin Connector, black, on vehicle Electrical
System Control ModuleT32b - 32-Pin Connector, grey, on vehicle Electrical
System Control Module
A18 - Wire connection (54), in instrument panelwiring harness
A34 - Wire connection (75x), in instrument panelwiring harness
A57 - Plus connection -3- (30), in instrument panelwiring harness
A154 - Wire connection (Brake Light Switch), ininstrument panel wiring harness
A104 - Plus connector -2-, in instrument panel wiringharness
169 170 171 172 173 174 175 176 177 178 179 180
97--53379
181 182
6,0ro
1210AS
10AS
10AS
10AS 239
20AS 240
25AS 233
15AS13 14 15
0,5ro/sw
1,0ro/ge
1,0ro/br
1,0ro/bl
2,5ro/bl
2,5ro/ge
1,5ro/bl
135
1,5br
U1
2
3
128L
249
2,5ro
54 225 147
0,5ro/bl
A57
A50
2
0,22br
238
0,22gr/bl
1
L15
251
0,35gr/bl
260
A46
610
1,5br
A129
0,35gr
2,5ro/bl
T8/7 T8/8T8/2
12 39 40 3313 14 15
12a 39a 40a 33a13a 14a 15a
a
22
1,5ro
b
Edit ion 12/ 01W42.USA.5504.02.21
Wiring diagram
ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = lilacge = yellow
Ashtray Light , cigarette Lighter, fuses, radio connector III
or = orange
rs = pink
Audi A4 No. 2/ 15
L15 - Ashtray LightL28 - Cigarette Lighter LightS12 - Fuse in fuse holder/relay panelS13 - Fuse in fuse holder/relay panelS14 - Fuse in fuse holder/relay panelS15 - Fuse in fuse holder/relay panelS233 - Fuse in fuse holderS239 - Fuse in fuse holderS240 - Fuse in fuse holderT8 - 8-Pin Connector, black, radio connector IIIU1 - Cigarette Lighter
135 - Ground connection -2-, in instrument panelwiring harness
238 - Ground connection -1-, in wiring harnessinterior
610 - Ground connection (Audio) (under centerconsole, front)
A46 - Plus connection (30-from radio), in instrumentpanel wiring harness
A50 - Plus connection (30as), in instrument panelwiring harness
A57 - Plus connection -3- (30), in instrument panelwiring harness
A129 - Wire connection (quiet switch), in instrumentpanel wiring harness
183 184 185 186 187 188 189 190 191 192 193 194
97--54468
195 196
22630AS26
1Z
B180
73
F/5
87E
4,0ws/ge
4,0ws/li
4,0ws/li
25AS2
0,5ro/li
2
1W
1
29W10
0,5ro/li
0,5ro/li
0,35ro/li
T12d/1
0,5ro/gr
0,35ro/gn
2
1W6
0,5br/gr
0,5br
E 26
II/13II/6I/4
26a2a
238
F/6393J
0,5ro/ge
0,5br
T12d/7
T12d/2T12d/4
0,5ro/ge
2
1
0,35ro/gr
A29
24
30
6,0ro
73
4,0br
B248
18C
18C
18C
V/13
0,22or/gn
0,22or/gn
7473
T17d/15
A87
206
1,0bl/ro
1,0bl/ro
1,0bl/ro
V/12III/7
Edit ion 12/ 01W42.USA.5504.02.21
Wiring diagram
ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = lilacge = yellow
Glove Compartment Light , left Footw ell Light , right Footw ell Light ,heated rear w indow
or = orange
rs = pink
Audi A4 No. 2/ 16
C18 - Windshield Antenna Suppression FilterE26 - Glove compartment lightE87 - A/C Control HeadJ393 - Central control module for comfort systemS2 - Fuse in fuse holder/relay panelS226 - Fuse in fuse holderT12d - 12-Pin Connector, brown, near glove
CompartmentT17d - 17-Pin Connector, red, connector station E-box,
plenum chamberW6 - Glove Compartment LightW9 - Left Footwell LightW10 - Right Footwell LightZ1 - Heated rear window
73 - Ground connection, on roof bow, rear
238 - Ground connection -1-, in wiring harnessinterior
A29 - Wire connection (interior light), in instrumentpanel wiring harness
A87 - Connector (reverse lamp), in instrument panelwiring harness
B180 - Connection (heated rear window), in wiringharness interior
B248 - Heated Rear Window Connection -2- (in interiorwiring harness)
197 198 199 200 201 202 203 204 205 206 207 208
97--54469
209 210
4,0sw
510A5a
S5
23115A31a
S31
A74 A70
1,0sw/ro
1,5sw/bl
0,5sw/bl
1,0sw/ro
2,5ro
S23530A35a
35
2,5ro/gr
U
2,5br
249
1
2
A52
31
6,0ro
1,0ge/sw
0,5br
0,5gr/gn*
*
20Z
0,5gr/gn*
0,5br *
21Z
*
T10c/3
0,5gr/gn*
261 261
38
35A3a
S3
A20
1,0sw/br
710AS
7a
7
1,5sw/br
39
223 156 258
2
1
2
1 3
F4
1,5sw/bl
T10a/5
1,5sw/bl
1,0bl/ro
183
2
Edit ion 12/ 01W42.USA.5504.02.21
Wiring diagram
ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = lilacge = yellow
Fuses, Socket , heated spray jet
or = orange
rs = pink
Audi A4 No. 2/ 17
F4 - Back-Up Light SwitchS3 - Fuse in fuse holder/relay panelS5 - Fuse in fuse holder/relay panelS7 - Fuse in fuse holder/relay panelS231 - Fuse in fuse holderS235 - Fuse in fuse holderT10a - 10-Pin Connector, brown, connector station
E-box, plenum chamberT10c - 10-Pin Connector, violet, connector station
A-pillar, leftU - SocketZ20 - Left Washer Nozzle HeaterZ21 - Right Washer Nozzle Heater
249 - Ground connection -2-, in wiring harnessinterior
261 - Ground connection, in wiring harness heatedspray jet
A20 - Wire connection (15a), in instrument panelwiring harness
A52 - Plus connection -2- (30), in instrument panelwiring harness
A70 - Connector (15a, fuse 231), in instrument panelwiring harness
A74 - Connector (15a, fuse 5), in instrument panelwiring harness
� - Only heated spray jets
97--54137
212 213 214 215 216 217 218 219 220 221 222 223 224211
J285
T32/22
0,22ro
T32/1
0,22br/ro
T17/9
T32/21
0,35ge/gr
T10d/9
T10a/9
D2
T32/230,35ro/gr
0,35ro/gr
0,5sw/ro
83
0,5br
T10a/2
1,0sw/ro
0,5br/ro
0,35br/ge
0,35br/ge
269
1
2
0,35ge/gr
T14/4
T14/3
0,35br/ge
0,35ge/gr
0,35br/ge
0,35br/ge
269
T10d/10
34
G1
F38
T32/30 T32/31
12
0,22gn
0,22sw
G3
203
T32/32
269
0,22br/ge
T32/2
0,35bl/ge
F66
0,5bl/ge
T10/7
269
0,5br/ge
T32/3
0,35li/sw
2
3
1
3 22G
T32/4
0,35bl/br
0,35bl/br
T10/9
2
0,35br/ge
0,35br/ge
269
T10/6
0,35br/ge
0,35br/ge
327
2
13
G266
269
0,5br/ge
T32/11
0,35li/sw *
*
*
F77G G169
2
3
T17/10
Edit ion 12/ 01W42.USA.5504.02.21
Wiring diagram
ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = lilacge = yellow
Control module w ith indicator unit in inst rument panel insert
or = orange
rs = pink
Audi A4 No. 2/ 18
D2 - Induction Coil of Anti-theft ImmobilizerF38 - Ambient Temperature SwitchF66 - Engine Coolant Level (ECL) Warning SwitchF77 - Windshield Washer Fluid Level Warning SwitchG - Sender for fuel gaugeG1 - Fuel GaugeG2 - Engine Coolant Temperature (ECT) SensorG3 - Engine Coolant Temperature (ECT) GaugeG169 - Fuel Level Sensor 2G266- Oil Level Thermal SensorJ285 - Control module with indicator unit in instrument
panel insertT10 - 10-Pin Connector, black, connector station
E-box, plenum chamberT10a - 10-Pin Connector, brown, connector station
E-box, plenum chamber
T10d - 10-Pin Connector, grey, connector stationA-pillar, left
T14 - 14-Pin Connector, black, in enginecompartment, left
T17 - 17-Pin Connector, black, connector stationA-pillar, left
T32 - 32-Pin Connector, blue, on instrument panelinsert
83 - Ground connection -1-, in right front wiringharness
269 - Ground connection (sensor Ground) -1-, ininstrument panel wiring harness
327 - Ground connection (sensor Ground), in enginecompartment wiring harness
� - only quattro
97--53383
226 227 228 229 230 231 232 233 234 235 236 237 238225
J285
T32a/2
0,5ro/bl
261
0,5br
T32a/9
0,35ge/bl
T32a/12
0,22or/br
T32a/3
0,35sw
3/31
2/G1
G22
T32a/5
0,35br/ro
0,5br/ro
T10/10
83
0,5br
T32a/7
0,35ws/ge
68J234
T10c/10
T32a/13
0,22or/sw
T32a/16
0,35ws/gr
F1
T10/3
0,5ws/gr
T32a/14
0,35bl
0,35bl
T10/1
0,35bl
F34
0,5ge/bl
2
1
K75G21 K2
172 40
D+/61C
T2/1
0,35bl
A17
A122 A121
73 71
J... J ...
T17d/13
T17d/14
0,22or/br
0,22or/sw
0,22or/br
0,22or/sw
0,22or/br
0,22or/sw
G5
Edit ion 12/ 01W42.USA.5504.02.21
Wiring diagram
ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = lilacge = yellow
Control module w ith indicator unit in inst rument panel insert
or = orange
rs = pink
Audi A4 No. 2/ 19
C - Generator (GEN)F1 - Oil Pressure SwitchF34 - Brake Fluid Level Warning SwitchG5 - TachometerG21 - SpeedometerG22 - Speedometer Vehicle Speed SensorJ... - Engine Control Module (ECM)J234 - Airbag Control ModuleJ285 - Control module with indicator unit in instrument
panel insertK2 - Generator (GEN) Warning LightK75 - Airbag Malfunction Indicator Lamp (MIL)T2 - Double Connector, black, engine compartment,
rightT10 - 10-Pin Connector, black, connector station
E-box, plenum chamber
T10c - 10-Pin Connector, violet, connector stationA-pillar, left
T17d - 17-Pin Connector, red, connector station E-box,plenum chamber
T32a - 32-Pin Connector, green, on instrument panelinsert
83 - Ground connection -1-, in right front wiringharness
261 - Ground connection, in wiring harness heatedspray jet
A17 - Wire connection (61), in instrument panelwiring harness
A121 - Wire connection (High-bus), in instrument panelwiring harness
A122 - Wire connection (Low-bus), in instrument panelwiring harness
97--53384
J285
0,35br/ws
0,35ro/gn
T4m/1
0,35ge
J489
Y8
231
240 241 242 243 244 245 246 247 248 249 250 251 252239
T32a/17
0,5gr/bl
222
238
2
81
0,22br
2 2 2
0,22br
0,22br
0,22br
0,22br
0,22br
0,22br
238 238 238 238 238
0,22gr/bl
0,22gr/bl
0,22gr/bl
0,22gr/bl
0,22gr/bl
0,22gr/bl
0,22gr/bl
A1750,22gr/bl
0,22gr/bl
0,5gr/bl
0,22gr/bl
0,35gr/bl
179988785
11111 1 1
L121LLL67L L L68 69 122 50120
T4m/2 T4m/4
181
Edit ion 12/ 01W42.USA.5504.02.21
Wiring diagram
ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = lilacge = yellow
Control module w ith indicator unit in inst rument panel insert , Inst rumentPanel Vent Illuminat ion, radio Frequency Controlled Clock
or = orange
rs = pink
Audi A4 No. 2/ 20
J285 - Control module with indicator unit in instrumentpanel insert
J489 - Radio Frequency Controlled Clock ReceiverL50 - Rear Center Ashtray LightL67 - Left Instrument Panel Vent IlluminationL68 - Center Instrument Panel Vent IlluminationL69 - Right Instrument Panel Vent IlluminationL120 - Storage Compartment IlluminationL121 - Cup Holder IlluminationL122 - Coin Holder IlluminationT4m - 4-Pin Connector, black, on instrument panel
insertT32a - 32-Pin Connector, green, on instrument panel
insertY8 - Radio Frequency Controlled Clock
81 - Ground connection -1-, in instrument panelwiring harness
238 - Ground connection -1-, in wiring harnessinterior
A175 - Wire connection (58s), in instrument panelwiring harness
97--53385
J285
T32a/18
135
0,22br
T32a/19
135
0,22br
T32a/22 T32a/23
A76
0,22sw/ro
T17b/4
0,22gn/ro
T32a/32
35G
T17b/3
0,22br/gn
0,35br/gn
179
34G
0,35br
2 11 2
17J104
0,35sw/ro
T4o/2T4n/1T4n/2 T4o/1
0,35sw
254 255 256 257 258 259 260 261 262 263 264 265 266253
0,35gn/ro
T16/4 T16/5
179
0,35br
179
0,35br
169
0,5ro/sw
0,5sw/bl
205
T16/7T16/1 T16/16
Edit ion 12/ 01W42.USA.5504.02.21
Wiring diagram
ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = lilacge = yellow
Brake Pad Wear Sensor, control module w ith indicator unit ininst rument panel insert , Data Link Connector (DLC)
or = orange
rs = pink
Audi A4 No. 2/ 21
G34 - Left Front Brake Pad Wear SensorG35 - Right Front Brake Pad Wear SensorJ104 - ABS Control Module (w/EDL)J285 - Control module with indicator unit in instrument
panel insertT4n - 4-Pin Connector, black, left frontT4o - 4-Pin Connector, black, right frontT16 - 16-Pin Data Link Connector (DLC), black, under
instrument panel, leftT17b - 17-Pin Connector, green, connector station
A-pillar, leftT32a - 32-Pin Connector, green, on instrument panel
insert
135 - Ground connection -2-, in instrument panelwiring harness
179 - Ground connection, in left headlight wiringharness
A76 - Wire connection (K-diagnosis wire), ininstrument panel wiring harness