audi a4 b5 wiring diagram

21
Edition 08/ 01 W42.USA.5504.01.21 Wiring diagram A97--0220 Main fuse 4-Pin Relay Carrier with threaded connection A97--0248 5 6 7 1 2 3 4 A97--0245 1 2 3 4 C B G E F A D H Connector station E-box, plenum cham- ber Audi A4 No. 2/ 1 Standard Equipment from 2002 m. y.

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Page 1: Audi A4 B5 Wiring Diagram

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.

Page 2: Audi A4 B5 Wiring Diagram

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

Page 3: Audi A4 B5 Wiring Diagram

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)

Page 4: Audi A4 B5 Wiring Diagram

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

Page 5: Audi A4 B5 Wiring Diagram

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

Page 6: Audi A4 B5 Wiring Diagram

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

Page 7: Audi A4 B5 Wiring Diagram

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

Page 8: Audi A4 B5 Wiring Diagram

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)

Page 9: Audi A4 B5 Wiring Diagram

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

Page 10: Audi A4 B5 Wiring Diagram

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

Page 11: Audi A4 B5 Wiring Diagram

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

Page 12: Audi A4 B5 Wiring Diagram

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

Page 13: Audi A4 B5 Wiring Diagram

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)

Page 14: Audi A4 B5 Wiring Diagram

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

Page 15: Audi A4 B5 Wiring Diagram

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

Page 16: Audi A4 B5 Wiring Diagram

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)

Page 17: Audi A4 B5 Wiring Diagram

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

Page 18: Audi A4 B5 Wiring Diagram

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

Page 19: Audi A4 B5 Wiring Diagram

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

Page 20: Audi A4 B5 Wiring Diagram

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

Page 21: Audi A4 B5 Wiring Diagram

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