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Audi A4 Current Flow Diagram No. 41/1 Edition 04.2004

Basic equipment - Lowline From model year 2002

Main fuse

• On battery

Fuse box

~ I t I I I i ~

I A97-0242 I

• Dash panel, driver's side Fuse colours

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30 A - green 25 A - white 20 A - yellow 15A-blue 10A-red

7.5 A - brown 5 A - beige

• Note:

From fuse number 23 upwards the fuses in the fuse box are designated as 223 etc. in the Current Flow Diagram.

Connector point with screw connection I ,

I A97=0248 I

• In electronics box, plenum chamber 1 - 10-pin connector, black (T10) 2 - 10-pin connector, brown (T10a) 3 - 17-pin connector, red (T17d) 6 - 17-pin connector, white (T17e)

Connector point, A pillar

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[A97=0247 I

• On left-hand side, bottom, behind side trim 13 -10-pin connector, purple (nOc) 15 - 17-pin connector, green (T17b) 16 -17-pin connector, red (T17a) 17 - 17-pin connector, black (T17)

Connector point, A pillar

f!\9!:-ri400 I

• On right hand-side, bottom, behind trim 15 - 17-pin connector, red (T17c)

4-point relay carrier with screw connection

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I A97.:0245 I

• Dash panel, driver's side

9-point relay carrier with vehicle voltage control unit I

C 0 E F G

W-a399]

• Dash panel, driver's side, behind 3-point relay carrier 3 - Dual tone horn relay (J4) 6 - X contact relief relay (J59)

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Audi A4 Current Flow Diagram No. 41/2 Earth connections T4k - 4-pin connector, black, near front bumper

- Earth strap, engine - body ~ 3

A - Earth point, in engine compartment, left ill ( )

12

y 26 - Earth point, on front apron III

, - Earth point, luggage compartment, left III50

- Earth point, lower part of right B pillar ill

" 78

- Earth connection -1-, in front right wiring harness

" 83

- Earth connection -1-, in rear wiring harness 86

- Earth connection, in left headlight wiring harness 179

- Earth connection -2-, in interior wiring harness 249

- Earth connection, in bumper, horn/fog light wiring harness 345ws = white

sw = black ro = red br = brown gn = green bf = blue gr = grey Ii = purple ge = yellow or = orange rs = pinknT4k14

35,0 4.0 2,5 2.5 6.0 6,0 6,0 'ffl br ~ br br br br br

2 4 11 12 13 14

197-589781

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Audi A4 Current Flow Diagram No. 41/3

~ ~

..., nT10C 6,0 6,0 6,0 6,0 2,5 1,5 /1 br br br ~~ iii' t~* br br br

18 19 20 21

Earth connections T1 Oc - 10-pin connector, purple, connector point, A pillar, left

32 - Earth point, behind dash panel, left IiIII A - Earth point, behind dash panel, right III

< 33)

- Earth point, lower part of right A pillar.y 43

- Earth point, lower part of left A pillar ill ,~ 44

- Earth point, near convenience system central control unit III49

- Earth point, lower part of left B pillar ill

" 77

- Earth connection -1-, in dash panel wiring harness 81

- Earth connection -2-, in dash panel wiring harness 135

- Earth connection, in right headlight wiring harness 176

WS =white 238 - Earth connection -1-, in interior wiring harness

sw = black ro = red br = brown 261

- Earth connection, in heated washer jet wiring harness

gn = green bl = blue gr = grey Ii = purple ge =yellow *

277 -

-

Earth connection -3-, in interior wiring harness

Phased-in modification or rs

= orange =pink

15

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Audi A4 Current Flow Diagram No. 41/4 Ignition/starter switch, main fuse A - Battery

~ ~ B - Starter

A 0 S88

--

Ignition/starter switch

Strip fuse (main fuse) dI B II 2,5 sw

~T1'. ~ 2s~

TTT 1 n!! 1"­u u u u u u U

~ ro ro ro ro 13130 17130 1.S;50b S [l>{~, { -1- U--:v- ­ -~~ --{-- -{- -7?_~ ID

18I86s I4IP , 12/75 16115 J1'50 6,0 0,5 0,35 0,5 1,0 4,0 0,35

Im@m ... ­ J'''' ~ @~

@ 1~0 g~I~~ g~/g.,.:~ ~;5

S88 ~ EiliJ ~ ~

•

b

,,,

ws = white sw = black ro = red br = brown

< ) y

500

501

A2

A33

A32

A21

** *

T1 T10a

11

Only models with heated washer jets For 1.8 litre and 2.0 litre engine: connector T1 d

- Connection (86s), in dash panel wiring harness

- Positive (+) connection (15), in dash panel wiring harness

- Screw connection -2- (30), on relay plate

- Screw connection -1- (30), on relay plate

- Positive (+) connection (30), in dash panel wiring harness

- Connection (75), in dash panel wiring harness

--

-

Single connector, black, engine compartment, right 10-pin connector, brown, connector point, electronics box, plenum chamber

Earth point, in battery box III

;

150A

! A

r35,0

br

0,22 ro

~

~'--------- d

e

gn = green bl =blue gr = grey Ii =purple ge =yellow or =orange rs = pink

--I,..".@"--------------~----:-----~ ~ ~ ~ ~ M 35 ~ U ~ ~ • ~ ~

1 97-563801

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Audi A4 Current Flow Diagram No, 41 /5 Steering column electronics control unit, cruise control system E45 - Cruise control system switch J... - Engine control units ~ ~

A> J527 - Steering column electronics control unit. T16a - 16-pin connector, black, on steering column electronics

control unit ( )

TII

T17e - 17-pin connector, white, connector point, electronics box, y plenum chamber

- Earth connection -2-, in dash panel wiring harness of.. 135I JiE..

0.35bl/gn - Positive (+) connection (15), in dash panel wiring harness ~ A2

. I ,t:'''''' "­ - Connection (86s), in dash panel wiring harness A21j ,

II: : I Wo."I""'" I""" h,,,,,

',M ,'"'''' ro I JVT16a11=~2 I I ~a~".:~:. I"",,.

b @ ws = white sw =black ro =red br =brown gn = green

c ' bl = blueg gr = greyd ' Ii = purple ge = yellow or = orange rs =pink

e I

1.0

a « ~ ~ Q • ~ ~ ~ ~ ~ ~ ~ ~--------------------------<I§197-553~1

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Audi A4 Current Flow Diagram No. 41 /6 Turn signal switch, intermittent wiper switch, steering angle sender, horn plate, steering column electronics control unit E2~ ~ E22

A G85 H< ) J527

,y

~E2 III I I of.. I I IIIE22

,J I T j ! !

r; fi 1 r 1\··

I

! j j!; ~ ; ~ Jm/ ~ ", ; r

( of..- ( H U ® II G85

ws = white sw =black ro = red br = brown gn =green bl =blue gr = grey Ii =purple ge = yellow or = orange rs = pink

~ ~ ~ w ~ ~ ~ ~ ~ ~ ~ ~ ~ ro I~~I

- Turn signal switch - Intermittent wiper switch - Steering angle sender - Horn plate

- Steering column electronics control unit l1li

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Audi A4 Current Flow Diagram No. 41/7 Onboard power supply control unit, steering column electronics control unit, windscreen wiper motor, washer pump, rear window wiper motor

~ ~ J519 - Onboard power supply control unit ..

I At J527 - Steering column electronics control unit 1111

T8j - 8-pin connector, black, behind side trim, rear left < ) T10b - 1D-pin connector, black, on onboard power supply control unit

I Cf ~ V T1 Dc - 10-pin connector, purple, connector point, A pillar, left :""''' :n"",n""" "" T16a - 16-pin connector, black, on steering column electronics

control unit IIII~IT' I I ( ~ I I®

,"'" T17 - 17-pin connector, black, connector point, A pillar, left 0,22 0,22 0,22 0,22 0,22 o,2d

orlbr orlbr orlbr or/gn or/gn or/gn T23 - 23-pin connector, black, on onboard power supply control unit 81 I I ~e 0,22 0,22 0,35 2,5 2,5 0,5. 0,5. 0,5. D,S T32b - 32-pin connector, grey, on onboard power supply control unit orlbr or/gn gn/Ii gnlge swlws swn, swn, bill' bin, V - Windscreen wiper motor

~ 'T16a19;T16a18 ~ ( II J 527

r~" f'~"0,22 0,22

I I T10c

12

V5 - Windscreen washer pump V12 - Rear window wiper motor

- Earth connection, in heated washer jet wiring harness 261

T1Dc ttl T1Dc flI T17Ia111 T8j16111T8j15 ttl T17/7/4 I 18 - Connection (convenience CAN bus, high), in dash panel

A146 wiring harness

- Connection (convenience CAN bus, low), in dash panel Wiring A147

harness ws = white • - Avant models - see applicable Current Flow Diagram: Avant sw = black models, rear ro =red br = brown

1 , rs =pink

1; ______________----<1-"€Y""-1 _

n n n N n n IT n ~ ~ ~ ~ ~ M

I 97-563811

~~ ~~g~~e s~~ S?,;.~i S~~i' g~ • b53e l1l53b l2l53 h lJ .2 rr-----~I V ~v5001v12

4/31 ."

.

gn = green bl = blue gr = grey Ii = purple ge = yellow or = orange

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Audi A4 Current Flow Diagram No. 41/8 Light switch, headlight range control adjuster, onboard power supply control unit E1 - Lighting switch ~ ~ E23 Front and rear fog light switch

A E102 Headlight range control adjuster J519 Onboard power supply control unit.< » T32b 32-pin connector, grey, on onboard power supply control unit

y 135

Earth connection -2-, in dash panel wiring harness J 519

~ ( Q9 ( ~ Earth connection -1-, in interior wiring harness iT32b126 tT32b125 2380,22 0,35

Ie gr ~ @ - Positive (+) connection (58), in dash panel wiring harness , A3II I I Ii\.0,5 1,0 1,5 0,5

ro sw/ge swlws grlbl

115130 IW(Z I2IXR 117I58d - Connection (56), in dash panel wiring harness IJ-}-"¥)R---d--_m~~+lm ~ A51rl E1

.16158 VWo14/56 ~ .91NSL 1110/31 - Connection (NSL (rear fog light)), in dash panel wiring 0,35 1,5 05 05 1,0.

I r I wSlbl wSlbl gr@ @ uk c1 ~J2s

~ 1,5 1,5

~~ I T0,22 0,22 0.22 gr/bl grlbl q,e 111585 181585 l2l58b

I~-----g·_---~---OIE102

5131 ;ieG g ~;[g~ gr/~~ I I I1

A88 harness

- Connection (headlight range control), in dash panel wiring A114

harness

* Only applies to models without trailer socket

WS = white sw = black ro = red br = brown gn = green bl = blue gr = grey Ii = purple ge =yellow or = orange rs = pink

0.22 0,5 ~ .

------~I@ I"""",,@,--­~ ~ ~ ~ ~ 00 ~ ~ W ~ ~ 00 W ~

197-554531

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Audi A4 Current Flow Diagram No. 41 /9 Left headlight, left fog light J519 - Onboard power supply control unit i1II L22 - Fog light bulb, left ~ ~ M1 - Side light bulb, left

A M5 - Turn signal bulb, front left M18 - Side turn signal bulb, left < ) M29 - Dipped beam bulb, left

V M30 - Main beam bulb, left J 519

T4k - 4-pin connector, black, near front bumper ~ ( ® -- ( ~ T17 - 17-pin connector, black, connector point, A pillar, left iT23/18 *T32b13 *T2319 1,0 0,5 0,5 T17a - 17-pin connector, red, connector point, A pillar, left

wslsw gr/sw swlbl T23 - 23-pin connector, black, on onboard power supply control unit T32b - 32-pin connector, grey, on onboard power supply control unit ,," V48 - Headlight range control motor, left

- Earth connection, in left headlight wiring harness 179

- Earth connection, in bumper, horn/fog light wiring harness @ 345@T r T~" 0,5 0,35 0,5 0,5 0,5 - Positive (+) connection (left turn signal), in dash panel wiring ...?Jt,1 gi/~~ g~)~ ~~ swlbl A6gr/~171gr,sw

~T17I16 fT17a1~T:17:l1lT17a115 /1

1,0 wslgn 1

~T4k11

harness

- Connection (58L), in dash panel wiring harness T17012 A84:~I ws = white - Connection (56a, left), in dash panel wiring harness sw = black E117 ro = red

1,0 0,35 0,5 1,0 1,0 0,5 0,5 0,5 br = brown wslgn gr/ge ge/sw ge/sw ws/sw gr/ow sw/bI an gn = greent 16lG l2!56b 15156b 111568 b/58L 19IBL ..+ bl = blue

gr = greyyL22 [V48tm ~M4Mao 4M1 #M51 +M18 Ii = purple ge = yellow or = orange rs = pinkr r roo' r r

1,0 0,5 1,0 2,5 0,5 br br br br br

---l§ I@I@ I@ I~@~ 99 100 101 102 103 104 105 106 107 108 109 110 111 112

197-563821

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AudiA4 Current Flow Diagram No. 41 110 Right headlight, right fog light J519 - Onboard power supply control unit dI

~ ~ L23 - Fog light bulb, right

A M3 M7

- Side light bulb, right - Turn signal bulb, front right

« » M19 M31

--

Side turn signal bulb, right Dipped beam bulb, right

J 519 y M32 - Main beam bulb, right

~

0,5

I

(

@

T17d3

0,5 gn/sw

T17d2

0,5 gn/sw

*T2317 0,5

gn[sw

8 0,5 0,35

grtr:171gr/<O

11

135

81ITT11,0 1,0 0,35 0,5

wslge gelws grtge wslbl

~;:C~6 TT17d8 JT17/15

1.0 wslbl

~T4k/2

® *T32b15 tT23116

0,5 1,0 gclro ws[ge

( ~

ws = white sw = black ro = red

,,, 176

AS5

A5

345

E116

T4k T17 T17c T23 T32b V49

- Connection (56a, right), in dash panel wiring harness

- Earth connection, in bumper, horn/fog light wiring harness

- Positive (+) connection (right turn signal), in dash panel wiring harness

- Connection (58R), in dash panel wiring harness

- 4-pin connector, black, near front bumper - 17-pin connector, black, connector point, A pillar, left - 17-pin connector, red, connector point, A pillar, right - 23-pin connector, black, on onboard power supply control unit - 32-pin connector, grey, on onboard power supply control unit - Headlight range control motor, right - Earth connection, in right headlight wiring harness

0,5fl.n ..+

~M19

r 0,5sw/gr h/BR

14M7

0,5 1.5 1,0 0,5 0,35grlro wslge geJws gelws grlge .7/5BR .11568 .5156b h/5Bb .61G

fM3 *M32~M31ctJV491

r' r r 1,0

wslbl • I

~L 23

r

br = brown gn = green bl =blue gr = grey Ii = purple ge = yellow or = orange rs =pink

0,5 1,0 2,5 b< br b<

---l@I@I@ 0,5 br

I@ 1,0 b<

1§~345 _ 113 114 lIS 116 117 118 119 120 121 122 123 124 125 128

197-563831

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Audi A4 Current Flow Diagram No. 41/11 Taillights F - Brake light switch J519 - Onboard power supply control unit III~ ~

A L46 - Rear fog light bulb, left M2 - Taillight bulb, right M4 - Taillight bulb, left < ) M6 - Turn signal bulb, rear left

Y M8 - Turn signal bulb, rear right J 519

M9 Brake light bulb, left ~ I ® .~_ ~ M10 Brake light bulb, right

( , ~ C1fD

1,0 1,0 bllro roIbr

1~1/~ .4/54

, M16 - Reversing light bulb, left M17 - Reversing light bulb, right M25 - High level brake light bulb T41 - 4-pin connector, black, in tailgate/boot lid "- T17d - 17-pin connector, red, connector point, electronics box,

8 plenum chamber T32b - 32-pin connector, grey, on onboard power supply control unit 1,0 0,35

roIsw X - Number plate light " T17d/15 - Earth connection -1-, in rear wiring harness ~ 860,22

b11~ bl/ro

- Earth connection -2-, in interior wiring harness nT4113 249

ws =white - Connection (54), in dash panel wiring harness A18 sw =black1111,8,111@

ro =red 1,0 * 1,0 * 0,5 * 0,35. 1,0. 0,35* 1,0 * 0,35. 0,5 * 1,0. 0,35. br =brown - Connection (RF (reversing light)), in dash panel wiring bllro gr/Ws swlbl grlsw roIrrw roIrrw roIrrw gr/ro glSW bllro ro A87

gn =green harnessI3IRF '2lNSL I5IBL 14/58L 16/54L 11154 b54R 14I5BR 1/BR hRF '1 bl =blue

~M16~L46~M6 iM4 ?M9 ~ *M10~M2 4MB ~M17 COJx gr =grey 8132 - Connection (number plate light), in interior wiring harness

Ii =purple5131

1/31 12131 1 O~ ge =yellow

1 or =orange * - Avant models - see applicable Current Flow Diagram: Avant

tT4114 rs =pink models, rear 1,5. 0,35. 1,5* 0350 ~ ~ ~

---W® Is , 1®~86 _

1D 1U 1~ 1~ m 1~ 1D 1~ 1~ 1~ 1~ 1~ 1~ ~

197-56~1

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Audi A4 Current Flow Diagram No. 41/12 Hazard warning lights button, dual tone horn, onboard power supply control unit

~ ~ E229 - Hazard warning lights button

A H2 H7

- High tone horn - Low tone horn

J 519

< Y

) J4

J519

T4k

- Dual tone horn relay •

- Onboard power supply control unit III - 4-pin connector, black, near front bumper

T10b - 10-pin connector, black, on onboard power supply control unit

,-. T17a - 17-pin connector, red, connector point, A pillar, left T23 - 23-pin connector, black, on onboard power supply control unit

, T32b - 32-pin connector, grey, on onboard power supply control unit - Earth connection -2-, in dash panel wiring harness

135

- Earth connection, in bumper, horn/fog light wiring harness 345

- Connection (dual tone horn), in dash panel wiring harness A90

0,22 0,22 roIge gelbl - Connection (hazard warning lights), in interior wiring harness

8260 .6 h ~1

13 nT4~ - Connection (horn-87h), in dash panel wiring harness j:jIE229 E1124 ..,3 2,5 ws = whiteswlge

sw = black - Connection (horn), in front bumper wiring harness X66I I@ ro =red

1,5 1,5 br = brown swlge ,wlge gn = greenl • bl = blue

gr = grey~H2 ~H7 Ii =purple ge =yellow or = orange rs =pinkI I

0,22 0,22 1,5 1,5 1,0 0,35JU rbr br ~ @ @ Iss ~

141 142 143 144 145 146 147 148 149 150 151 152 153 154

197-563851

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Audi A4 Current Flow Diagram No. 41/13 X contact relief relay, onboard power supply control unit, headlight washer system pum.t.

~ ~ J59 - X contact relief relay

~ 6,0.ro 0

IA f

~

< y

)

J519

S19

S236 S237

- Onboard power supply control unit.

- Fuse in fuse box/relay plate dI - Fuse in fuse box ..

- Fuse in fuse box (headlight washer system) III

J~ " ",n

-I n. I

"" II ® ,,...' "T'"

05

II

n .~•

@. 0,5 4,0 ro ro

~J..~.. 4,0sw/ge

" Q I I ~ I "'.'

4 a 2,5 swige sw/gesoN/ge swlge ~• 36 .. 37

'" 519

"" '"_1 378 Ir1 * 25 1,52,5 1'/

5 * swign swlws sw/ge sw geo I I, t"" [!J

~

~,, A57

*

T1a T8j T10b T32b V11

44

A34

- Positive (+) connection -3- (30), in dash panel wiring harness

Fuse rating increased from 25 A to 30 A.

- Single connector, black, connector point, A pillar, left - 8-pin connector, black, behind side trim, rear left - 10-pin connector, black, on onboard power supply control unit - 32-pin connector, grey, on onboard power supply control unit - Headlight washer system pump

- Earth point, lower part of left A pillar.

- Connection (75x). in dash panel wiring harness

** - Protected via fuse S237, only applies to models with headlight washer system

ws = white *** - Avant models - see applicable Current Flow Diagram: Avant sw = black models, rear ro = red

1,5 br = brown roIws

J..2 gn bl

= green =blue

OO~l gr Ii

=grey =purple

ge = yellow

r or rs

=orange = pink

-I@"="-..44 _ 155 156 157 158 159 160 161 162 163 164 165 166 167 168

197-59000 I

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Audi A4 Current Flow Diagram No. 41/14 Fuses, radio connector 11/ 512 - Fuse in fuse box/relay plate III 513 - Fuse in fuse box/relay plate ill~ ~ 514 - Fuse in fuse box/relay plate.

515 - Fuse in fuse box/relay plate ...

'1 (

,A

) 5239 - Fuse in fuse box III y 5240 - Fuse in fuse box III

T8 - 8-pin connector, black, radio connector III @ , 610 - Earth point (audio), below centre console, front. , - Positive (+) connection (30 - from radio), in dash panel wiring , A46

6,0 harness ro ~--J<13l(1.IY15 )(38 )(39 ~ 40 - Positive (+) connection (30as), in dash panel wiring harness

A50 812 mS13ltJS14 mS15 mS239 mS240 10A Ul10A 1lI10A Ul10A Ul20A Ul25A~ j 12. 'i'130 'i' 14. 'i' 158 i 39. 'i' 40. - Positive (+) connection -3- (30), in dash panel Wiring harness

0,5 1,0 1,0 1,0 2,5 2.5

- Connection (muting), in dash panel wiring harness A129

- Connection (L), in dash panel wiring harness A159III ~18 18 ~ Ie I

~ A5?

:tL LLL T6I6

ws = white sw = black ro = red br = brown gn = green bl = blue gr = grey Ii = purple ge = yellow or = orange rs = pink

1;;

---------------------------;(e_ 1M 1n 1n 1n 1N 1R 1R 1n 1n 1n 1M 1~ 1~

197-55459\

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Audi A4 Current Flow Diagram No. 41/15 Fuses, glove box light, footwell lights E26 - Glove box light switch

~ ~ J393 - Convenience system central control unit ill

@

A

« y

)

T12i

82 T12d T12h

- Fuse in fuse box/relay plate. - 12-pin connector, brown, near glove box - 12-pin connector, black, on convenience system central

control unit (used to be connector I) - 12-pin connector, black, on convenience system central

J, ( r ~ T12d14

* 0,5 ~ge

I 0,5

~ge

~ I

0,22 or/gn

quI

0,22orlbr

C¥J 6,0 to

L.-----y-" ~ ~~. ! r b~a

,,, A29

238

T16h

T16i

W6 W9 W10

control unit (used to be connector III) - 16-pin connector, black, on convenience system central

control unit (used to be connector II) - 16-pin connector, brown, on convenience system central

control unit (used to be connector V) - Glove box light - Left footwell light - Right footwelllight - Earth connection -1-, in interior wiring harness

- Connection (interior light), in dash panel wiring harness

~2

~W6 ~T12h/4

(:

lT16V13

~ ..

h16V12

: ( J 393

@ AS?

- Positive (+) connection -3- (30), in dash panel wiring harness

11 1T12il7 IT16t\16 1T16h113 0,5 0,22

br/gr bllrot ~

[3JE26 11 0,5 br

~T12d17 0,5

---~i@·

0,35 0,5 0,35 ws = white * Only applies to models with airbag disabling key switch roigr

lsw = blackril~12d/1 roIIi ro = red~m.,

0,5 br = brown roll; gn = green11 2 bl =blue

gr = grey~W10 ~W9 Ii = purple.2 .1 ge = yellow0,5 0,35

roigr roign or = orange rs = pink

,~ 1~ 1~ ,00 1~ 1M ~ 100 1~ 1~ 1~ 1~ 1% 1%

197-554601

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Audi A4 Current Flow Diagram No. 41/16 Fuses, ashtray illumination, cigarette lighter, heated rear window C18 - Window aerial suppression filter E87 - Air conditioning system/Climatronic operating and display unit ~ ~ L15 - Ashtray light bulb

~ L28 - Cigarette lighter light bulb

( ) 5226 - Fuse in fuse box. 5233 - Fuse in fuse box ill

,y

f 8 U1 - Cigarette lighter Z1 - Heated rear window

- Earth connection -2-, in dash panel wiring harness , 135

- Earth connection -1-, in interior wiring harness , 238

653 - Earth point, left D pillar IIII '" r b I ~.~sm 40 15A

654 - Earth point, right D pillar illwSJIgo roIbl1!5 33a

OL28 gr =grey Ii =purple ge = yellow or = orange~c" I r u, (' rs = pink

1 ~~. l;,5 °b~2

--l@ 18 h~ I..=:.@­197 198 199 200 201 202 203 204 205 206 207 208 209 210

197-589721

F/5 ~ I·I E87 C18 rtJ.ZWF~ ~ 1

4,0 wsIll

~9 :.:lJ,* • *

I 18 C18

- Positive (+) connection -3- (30), in dash panel wiring harness AS?

- Connection (heated rear window), in interior wiring harness 8180

ws = white - Connection -2- (heated rear window), in interior wiring 8248sw = black harness

ro =red~ ~ 0,35 0,22 br = brown * - Avant models - see applicable Current Flow Diagram: Avant grlbl grlbl gn = green models, rear

bl = blue[fJ

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Audi A4 Current Flow Diagram No. 41/17 Fuses, socket, heated washer jets, reversing light switch F4 - Reversing light switch 53 - Fuse in fuse box/relay plate III~ ~ 55 - Fuse in fuse box/relay plate.A 520 - Fuse in fuse box/relay plate III

4iJ < ) 521 - Fuse in fuse box/relay plate III 6,0 ro 5231y - Fuse in fuse box l1li

5235 - Fuse in fuse box III , T10a - 10-pin connector, brown, connector point, electronics box, plenum chamber

T10c - 10-pin connector, purple, connector point, A pillar, left CfJ Cfl E¥J CfJ t~ ,U - 50cketI,D • 1,5 1,5 4,0 2,5

gelsw fie ~ sw ro Z20 - Heater element, left washer jet,.- -,13 .1.20 .1.21 ~J. 31 1--'-35'--__~ Z21 - Heater element, right washer jet

~ ( W~ w1[~~~ OO~~1 W~35 ( - Earth connection -2-, in interior wiring harness249• 3a .20a .218 .. Sa • 31a • 358

0,5 • 1,0 1,0 1,0 1,5 2,5Wlb1

- Earth connection, in heated washer jet wiring harness Sngrlgn ~ ~ SWj/ro 8 ro/Qr 261 1,5

sw/bl - Positive (+) connection -2- (30), in dash panel Wiring harness

A52

- Connection (15a, fuse 231), in dash panel wiring harness "." @ f""" A70 ws =white sw =black

1,0 0,5 1,5

- Connection (15a, fuse 5), in dash panel wiring harnessro = red A74 br = browng~~i~n* 9'~O~~n* 1-' [lsw/ro (3"2 gn = green

* - Only applies to models with heater element for washer jetbl = blue 237 272 m gr = grey ** - Only applies to models with 5-speed manual gearbox

Z~ Z~ ~~ u Ii =purple 2 *** - Only applies to models with 6-speed manual gearbox

ge =yellowr 1 p::* r or =orange rs = pink

-------<f~ f~ ~ r§~24~9 _ 211 212 213 214 215 216 217 218 219 220 221 222 223 224

I 97-564181

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Audi A4 Current Flow Diagram No. 41/18 Fuel gauge sender, ambient temperature switch, oillevelloil temperature sender, coolant temperature sender, coolant shortage indicator switch ~ ~ 02 - Immobilizer reading coil

~ F38 - Ambient temperature switch F66 - Coolant shortage indicator switch G - Fuel gauge sender G1 - Fuel gauge

DD2 G2 - Coolant temperature sender G3 - Coolant temperature gauge

<y " T T T f::::f ,0,22 0,22 0,22 0,22 0,22 G169 - Fuel gauge sender -2­orlbr or/go m sw q,n G266 Oil level/oil temperature sender IT32118 IT32117 1r32122 1r32130.T32131 ,

0,35 0,5 0,5 .. 0,35 0,5 0,22 br/ge br/ge br/ge br/gei~ b~~

~(§ l@ ~ -22-5-2-26--22-7--22-'-8~229 230 231 232 233 234 235 236 237 238

197-554631

® J285

T3212 F3214 WT3213 ,T32111 F32121 tr32123 0,35 O,~ 0,35 0,35 W

?iI;; ~;; ..bVa8 bllbr gelgr gr T18

T1019T1017 ~T10d110 T~a ~~ 1P ge/gr swIm

iTbOatT14/4 0,5 0,35 0,35 0,5

gelgr mlgr s1m ,2 ~2.2 b 1

~GOOG~69 [fJ F38 II® (:~II 3 3 2

0,35 0,35 G 26611 1 0!3~br/ge br!lla br/gatT)g T1413 tT10d19

~

J285 - Control unit with display in dash panel insert III T10 - 10-pin connector, black, connector point, electronics box,

plenum chamber T10a - 10-pin connector, brown, connector point, electronics box, '" plenum chamber T10d - 10-pin connector, grey, connector point, A pillar, left

T32132 T14 - 14-pin connector, black, in engine compartment, left T32 - 32-pin connector, blue, on dash panel insert

- Earth connection -1-, in front right wiring harness 83

- Earth connection (sender earth) -1-, in dash panel wiring ws = white 269

harnesssw = black ro = red - Earth connection (sender earth), in engine compartment br =brown 327

wiring harness gn = green bl = blue - Only models with four-wheel drive gr =grey Ii = purple ge = yellow or = orange rs = pink

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Audi A4 Current Flow Diagram No. 41/19 Control unit with display in dash panel insert, brake fluid level warning contact, oil pressure switch C - Alternator

~ ~ F1 - Oil pressure switch A F34 - Brake fluid level warning contact

G5 - Rev. counter )< J ... - Engine control units y J234 - Airbag control unit ..

J285 - Control unit with display in dash panel insert IIIT , K2 - Alternator warning lamp 0,35 K75 - Airbag warning lamp sw

T2 - 2-pin connector, black, engine compartment, right ,"- T10 - 10-pin connector, black, connector point, electronics box, plenum chamber

T10c - 10-pin connector, purple, connector point, A pillar, left

1T32a13

® J285 ) ~ T17d - 17-pin connector, red, connector point, electronics box, plenum chamber

T32a - 32-pin connector, green, on dash panel insert

~ F32a116 F32a112 jT32aI13 jT32a114 - Earth connection, in heated washer jet wiring harness

0,35 0,22 0,22 0,35 261 wslgr orlbr orlsw bI

J .., L - Connection (61), in dash panel wiring harness T10/3 T10c110

I I A1718 0,35 0,35 0~5 orlbr or/sw Ws =white - Connection (high bUS), in dash panel wiring harness

sw =black~T17d/13 ~T17d/14 ~T1011

A121

ro =red 0,22 0,22 0,35 br =brown - Connection (low bUS), in dash panel wiring harness 0,5 0,5 A122wslgr gelbl orlbr crsw bI gn =green

.1 bl =blue• gr = grey

F1 8 8 fT~8JF34 Ii = purple ge =yellow

0,22 0,22 r orlbr orlsw o~ or = orange !D+/61 rs =pinkem ctJ C

0,5 br

•®•239 240 241 242 243 ~ m m w ~ m ~ ~ m

197-554641

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Audi A4 Current Flow Diagram No. 41/20

~

II ® IIJ~9 "'1 h h0,35. 0,35. 0,35. ~e roIgn br/ws

h4m/l !r4m121T4mt4

~

~

A

< V' ,,,

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81

Control unit with display in dash panel insert, illumination for dash panel vents, radio controlled clock J285 - Control unit with display in dash panel insert • J489 - Radio wave clock receiver L50 - Rear centre ashtray light bulb L67 - Dash panel left vent illumination L68 - Dash panel central vent illumination L69 - Dash panel right vent illumination L120 - Shelf illumination L121 - Cup holder illumination L122 - Coin holder illumination T4m - 4-pin connector, black, on dash panel insert T32a - 32-pin connector, green, on dash panel insert Y8 - Radio wave controlled clock

- Earth connection -1-, in dash panel wiring harness

238 - Earth connection -1-, in interior wiring harness

fT32a117

0,5 grlbl A175

- Connection (585), in dash panel wiring harness

• Depending on vehicle equipment

0,22grlbl

~ (~

8 0,22grlbl

~ rem

0,22grlbl

~($ 0,22.grlbl

~ (~

0,22 0,22.grlbl grlbl

~ ~(" (~

0,22grlbl

~(" 9

ws = while sw = black ro =red br = brown gn = green bl = blue gr = grey Ii = purple ge = yellow or = orange rs = pink

~ ~ ~ ~ ~ ~ ~

J@)@)@)@)@ ~ ~ ~ ~ m ~ _ ~ ~ ~

)@ ~ ~

)~@-~ ~

197-554651

) 1 I I ,

88:33 Ya ® J285

I (

~

I0,22 gr,

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AudiA4 Current Flow Diagram No. 41/21 Control unit with display in dash panel insert, diagnostic connector, speedometer sender

<

G21 - Speedometer~ ~ G22 - Speedometer sender (Hall sender, on gearbox)

A J104 - ASS with EDL control unit ..

) J285 - Control unit with display in dash panel insert • L157 - Centre armrest illumination

y T10 - 10-pin connector, black, connector point, electronics box, plenum chamber

T16 - 16-pin connector, black, diagnostic connector T17b - 17-pin connector, green, connector point, A pillar, left T32a - 32-pin connector, green, on dash panel insert

- Earth connection -1-, in front right wiring harness 83

, ,,'".ff(.,G21 ( - Earth connection -2-, in dash panel wiring harness ® J285 135~ - Earth connection -1-, in interior wiring harness ( 238

T32a JT32a123 lT32a122 JT328/5 JT2,2aI21 /19 0,22 0,22 0,35 0,22 - Connection (speed signal), in dash panel wiring harness swim br/ro

4 A27

nono - Connection (diagnosis wire K), in dash panel wiring harness A76

~ 'f9~ tTo~' 0,5 0,35 0,5 0,35 ws = white

swlbl gnlro rolsw sw/ro sw = black - Connection (58s), in dash panel wiring harness

A175 ro = red~T1611~T1617~T16/16 117 J104 br = brown

br/ro gn = green * - Depending on vehicle equipment0,5

h/G 1 bl = blue gr = greyII~ d~IIG22 Ii = purple ge = yellow or = orange rs = pinkrr r

o~,.s* 0~22 0:22 0,35 0,35 0,5br br br Dr br

J~ ~® ~@ 1@~83 __ W ~ ~ m m m m ~ ill m m m m ~

197-554661

l

T328 /18

~

9

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Audi A4 Current Flow Diagram No. 41/22 Control unit with display in dash panel insert, brake lining/pad wear senders, bonnet contact switch F266 - Bonnet contact switch ~ G34 - Brake lining/pad wear sender, front left

A G35 - Brake lining/pad wear sender, front right J285 - Control unit with display in dash panel insert III( ); J393 - Convenience system central control unit III

Y T4n - 4-pin connector, black, front left , T40 - 4-pin connector, black, front right

, T10d - 10-pin connector, grey, connector point, A pillar, left T14 - 14-pin connector, black, in engine compartment, left

J

T17b - 17-pin connector, green, connector point, A pillar, left T20g - 20-pin connector, red, on convenience system central control ) , unit (used to be connector 4) T32 - 32-pin connector, blue, on dash panel insert

~ @J285 T32a - 32-pin connector, green, on dash panel insert

) - Earth point, in engine compartment, left • ( 12I n3211 0 .,T32a132

0,22 - Earth connection, in left headlight wiring harness ~f 179

~,,~ 'F­0,35 ws =whitebr/gn?;,~T ~T

I 0~;14/11 brni

7209/20 .1

J393 ffiF266 DG34DG35

0f,,~ f·~~~+.a" 0,35 0,35 0,35 ~ ~ ~

---------<I@ 1§~179::..--

sw = black ro = red br =brown gn = green bl = blue gr = grey Ii = purple ge = yellow or = orange rs =pink

_ ~ m ~ ~ m ~ w ~ w ~ ~ m m ~

197-596941