Audi A6 Current Flow Diagram No.

64/2
Airbags and belt tensioners for driver and front
30 30 passenger
15 15
X X
31 31
D – Ignition/starter switch
F138 – Airbag coil connector, return spring with slip
ring
J218 – Combi-processor in dash panel insert
J234 – Airbag control unit
S3/15 D15 K75 – Airbag warning lamp
0,5 4,0
K75 J218 N95 – Airbag igniter, driver’s side
sw sw
N131 – Airbag igniter 1, front passenger’s side
N153 N154 A2 T32a/10 T32/20 N153 – Belt tensioner igniter -1-, driver’s side
58s
0,5 0,5 0,35 0,35 N154 – Belt tensioner igniter -2-, front passenger’s side
+ – + – sw sw ws/ge gr/bl T2a – 2-pin connector, yellow, connector point, A
70
pillar, left
T10av T10av/3 T2e – 2-pin connector, yellow, connector point, A
/6
0,5 0,5 0,5 0,5 0,5 0,35 pillar, right
gn br sw br sw ws/ge
T2ac – 2-pin connector, yellow, behind dash panel,
61 62 64 63 65
64
68
right
T5d – 5-pin connector, yellow, behind steering column
switch trim
37 38 J234 66 33 34 T5e – 5-pin connector, in steering wheel
T10av – 10-pin connector, yellow, connector point, A
0,5 0,5 0,5 0,5
ws gr ge ws pillar, right
T32 – 32-pin connector, blue, on dash panel insert
T2e/1 T2e/2 T2a/1 T2a/2 T32a – 32-pin connector, green, on dash panel insert

109 – Earth connection, in airbag wiring harness

0,5 0,5 0,5 0,5
ws gr ge ws N95
+ – A2 – Positive (+) connection (15), in dash panel
wiring harness
T2ac T2ac/2 T5d/5 T5d/4
/1
– Short circuit bridge becomes effective when
T5e/1 T5e/2 connector is unplugged
+ –

N131 F138 ws = white

sw = black
ro = red
br = brown
0,5 gn = green
br
bl = blue
gr = grey
li = purple
109 ge = yellow
or = orange
1 2 3 4 5 6 7 8 9 10 11 12 13 14
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Edition 06.00
Audi
+
A6 Current Flow Diagram No. 64/3
Side airbags in front seats, rear belt tensioners
30 30
15 15
X X C22 – Interference suppression choke for airbag
31 31
E3 – Hazard warning light switch
F145 – Switch: Rear belt, driver’s side
F146 – Switch: Rear belt, front passenger’s side
J234 – Airbag control unit
J429 – Central locking control unit
K – Diagnosis connection
N199 N200 N196 N197 N196 – Rear belt tensioner igniter, driver’s side
N197 – Rear belt tensioner igniter, front passenger’s
side
F145 F146
1 2 1 2 1 + 2 – 2 – 1 + N199 – Side airbag igniter, driver’s side
N200 – Side airbag igniter, front passenger’s side
T4ad T4ad T4ad/3 T4ae T4ae T4ae/3 T4ad – 4-pin connector, yellow, under driver’s seat
/1 /2 /1 /2
T4ae – 4-pin connector, yellow, under front
0,5 0,5 0,5 0,5 0,5 0,5 0,5 0,5 0,5 0,5
gn ws br bl ws br ws br br ro passenger’s seat
17 21 T10av – 10-pin connector, yellow, connector point, A
pillar, right
41 42 45 46 29 30 31 32
T16a – 16-pin connector, diagnosis connection
T17a – 17-pin connector, brown, connector point, A
67 J234 69 pillar, right
0,35 0,5
gn/ro li/bl 44 – Earth point, lower part of left A-pillar
K
T10av/2 T16a/7 109 – Earth connection, in airbag wiring harness

0,35 0,35 A76 – Connection (diagnosis wire K), in dash panel

gn/ro gn
C22 J429 wiring harness
4/4 A125 – Connection (crash signal), in dash panel wiring
A76 harness
0,5 0,35
li/bl li/bl
– Short circuit bridge becomes effective when
E3 connector is unplugged
T10av/1 T17a/7
8

0,35 0,35 0,35

li/bl li/bl li/bl ws = white
sw = black
17 21
ro = red
br = brown
1,5 0,5 0,5 A125 gn = green
br br br
bl = blue
gr = grey
li = purple
44 109 109 109 ge = yellow
or = orange
15 16 17 18 19 20 21 22 23 24 25 26 27 28
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Edition 06.00
Audi A6 Current Flow Diagram No. 64/4
Crash sensors, rear side airbags, curtain airbags
30 30
15 15
X X J234 – Airbag control unit
31 31
N201 – Rear side airbag igniter, driver’s side
N202 – Rear side airbag igniter, front passenger’s side
N251 – Curtain airbag igniter, driver’s side
N252 – Curtain airbag igniter, front passenger’s side
T3s – 3-pin connector, orange, in rear seat, centre
section
✱✱ ✱✱
N251 N252 T3t – 3-pin connector, orange, in rear seat, centre
+ – + –
section
0,5 0,5 0,5 0,5 0,5 0,5 T4am – 4-pin connector, yellow, in C pillar, left
ge bl br gr bl br T4an – 4-pin connector, yellow, in C pillar, right

T4am T4am T4am/3 T4an T4an T4an/3 109 – Earth connection, in airbag wiring harness
/1 /2 /1 /2

0,5 0,5 0,5 0,5 0,5 0,5

ge bl br gr bl br – Short circuit bridge becomes effective when
33 38
connector is unplugged
49 50 51 52 J234 ✱ – Models with rear side airbags
✱✱ – Models with curtain airbags

44 43 48 47

0,5 0,5 0,5 0,5

ge ro gr ro

T3t/1 T3t/2 T3t/3 T3s/1 T3s/2 T3s/3

0,5 0,5 0,5 0,5 0,5 0,5

ge ro br gr ro br

+ – + –

ws = white
N201 ✱ N202 ✱ sw = black
33 38
ro = red
br = brown
0,5 0,5 0,5 0,5 gn = green
br br br br bl = blue
gr = grey
li = purple
109 109 109 109 ge = yellow
or = orange
29 30 31 32 33 34 35 36 37 38 39 40 41 42
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Edition 06.00
Audi A6 Current Flow Diagram No. 64/5
Side airbag crash sensor on driver’s side, side
30 30 airbag crash sensor on front passenger’s side, belt
15 15
X X switch on driver’s side, belt switch on front
31 31
passenger’s side

E24 – Belt switch, driver’s side

E25 – Belt switch, front passenger’s side
G179 – Side airbag crash sensor, driver’s side
G180 – Side airbag crash sensor, front passenger’s side
140
J234 – Airbag control unit
T2x – 2-pin connector, yellow, under driver’s seat
0,5 0,5 0,35 0,35 0,35 T2y – 2-pin connector, yellow, under front
li/ge li/sw br/ge br/ge br/ge passenger’s seat
T10av/5 T17c/12 T10av/4 T17c/11 T6p/5 T17c T6q/5 T2cr – 2-pin connector, grey, crash sensor, driver’s
/13 side
0,5 0,35 0,5 0,35 0,35 0,35 0,35
li/ge li/ge li/sw li/sw br/ge br/ge br/ge
T2cs – 2-pin connector, black, crash sensor, front
passenger’s side
55 51 51 67 55
T6p – 6-pin connector, red, under driver’s seat
J234 T6q – 6-pin connector, red, under front passenger’s
72 71
seat
T10av – 10-pin connector, yellow, connector point, A
73 74 pillar, right
T17c – 17-pin connector, green, connector point, A
0,35 0,35 0,35 0,35 pillar, right
ge ge ws ws

T2x/1 T2cr/2 T2y/1 T2cs/2 109 – Earth connection, in airbag wiring harness
1 2 1 2
140 – Earth connection -2-, in seat adjustment wiring
51 47
✱✱ harness
G179 ✱ G179 G180 ✱ G180✱✱
2 1 2 1 0,35 0,35
li/sw li/ge
✱ – Does not apply to allroad models
T2x/2 T2cr/1 T2y/2 T2cs/1 T6p/6 T6q/6 ✱✱ – Applies to allroad models only
0,35 0,35
✱✱✱ – Models with seat belt warning
li/sw li/ge

E24 ✱✱✱ E25 ✱ ✱✱

ws = white
sw = black
ro = red
0,35 0,35 0,35 0,35 0,35 0,35 br = brown
br br br br br/ge br/ge gn = green
bl = blue
53 55 gr = grey
li = purple
109 109 109 109 ge = yellow
or = orange
43 44 45 46 47 48 49 50 51 52 53 54 55 56
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Edition 08.00
Audi A6 Current Flow Diagram No. 64/6
Rear belt tensioner igniter - centre, rear side airbags
30 30
15 15
X X E224 – Airbag disabling key switch, front passenger’s
31 31
side
F158 – Belt tensioner switch -1-
J234 – Airbag control unit
K145 – Airbag disabled warning lamp, front
passenger’s side
N198 – Rear belt tensioner igniter, centre
T2ce – 2-pin connector, yellow, in rear seat, centre
section
0,35
li/ws T8l – 8-pin connector, behind dash panel, right
T10av – 10-pin connector, yellow, connector point, A
pillar, right
T10av/9 T8l/6 T8l/7
T17d – 17-pin connector, grey, connector point, A pillar,
left
0,5 0,35 0,35
li/ws li/ws gr/bl
81 – Earth connection -1-, in dash panel wiring
harness
J234 81 3 1/58s
109 – Earth connection, in airbag wiring harness

58 57 70 4 2/31 A19 – Connection (58s), in dash panel wiring harness

E224 (switch illumination)
✱✱ ✱ ✱ ✱✱
0,5 0,5 0,5 0,5 0,5 0,35 0,35 0,35
br gr bl bl gn/ge br/ge br gr/bl – Short circuit bridge becomes effective when
connector is unplugged.
T10av/7 T8l/5 T8l/8 A19 ✱ – With folding rear seats
8 54 ✱✱ – Without folding rear seats
✱✱✱
0,5 0,5 0,35 0,35 0,35 ✱✱✱ – Models with seat belt warning
gn/ge sw br/ge br/ge gr/bl

✱ ✱ 12
T2ce T2ce T17d T17d/10 T10av
/2 /1 /9 /10
0,35 0,35
gn/ge sw

2 – 1 + 1 2

F158 ws = white
N198 K145 sw = black
ro = red
br = brown
0,35 0,35 gn = green
br br bl = blue
gr = grey
li = purple
109 81 ge = yellow
or = orange
57 58 59 60 61 62 63 64 65 66 67 68 69 70
97-52241

Edition 08.00