97-50835

1

2

3

4

5

6

7

8

9

10

11

12

13

14

30

X
31

15

30

X
31

15

109

br/ws

1,5

br

0,5

38

66

37

33

34

ge

0,5

T

2bm
/1

ws

0,5

T

2bm/2

F

138

sw

0,5

ge

0,5

T

3n/1

T

3n/2

+

–

N

131

J

234

43

109

9

61

62

br

0,5

gn

0,5

2

1

–

+

N

153

63

64

sw

0,5

br

0,5

1

2

+

–

N

154

49

50

ge

0,5

bl

0,5

br

0,5

9

N

251

T

4af
/2

T

4af
/1

T

4af
/3

51

52

gr

0,5

bl

0,5

br

0,5

12

N

252

T

4ag
/2

T

4ag
/1

T

4ag
/3

109

br

0,5

br

0,5

109

12

67

gn/ro

0,5

B159

gn/ro

0,35

T

10e/10

gn/ro

0,35

A76

gn/ro

0,5

T16a/7

K

1

2

N

95

ge

0,5

ws

0,5

T

5b/5

T

5b/4

+

–

Current Flow Diagram

ws = white
sw = black

ro = red
br = brown
gn = green
bl = blue
gr = grey
li

= purple

ge = yellow

Edition 02.00

or = orange

Audi A8

No. 64/2

Airbags and belt tensioners for driver and front
passenger

F138

– Airbag coil connector

J234

– Airbag control unit

K

– Diagnosis connection

N95

– Airbag igniter, driver’s side

N131 – Airbag igniter 1, front passenger’s side
N153 – Belt tensioner igniter -1-, driver’s side
N154 – Belt tensioner igniter -2-, front passenger’s side
N251 – Curtain airbag igniter, driver’s side
N252 – Curtain airbag igniter, front passenger’s side
T2bm – 2-pin connector, yellow, electronics box in

footwell, front right

T3n

– 3-pin connector, red, behind dash panel, right

T4af

– 4-pin connector, yellow, in C pillar, left

T4ag

– 4-pin connector, yellow, in C pillar, right

T5b

– 5-pin connector, yellow, behind steering column

switch trim

T10e

– 10-pin connector, green, footwell, right, at

wheelhouse, behind carpet

T16a

– 16-pin connector, diagnosis connection

43

– Earth point, lower part of right A-pillar

109

– Earth connection, in airbag wiring harness

A76

– Connection (diagnosis wire K), in dash panel

wiring harness

B159

– Connection (diagnosis), in interior wiring

harness

– Short circuit bridge becomes effective when

connector is unplugged

97-50836

15

16

17

18

19

20

21

22

23

24

25

26

27

28

30

X
31

15

30

X
31

15

J

234

44

43

br

0,5

ge

0,5

T

2bd
/2

T

2bd/1

–

+

N

201

42

41

gn

0,5

br

0,5

T

2ay
/1

T

2ay
/2

+

–

N

199

46

45

bl

0,5

br

0,5

T

2az
/1

T

2az
/2

+

–

N

200

44

43

br

0,5

ge

0,5

T

3au
/2

T

3au
/1

–

+

N

201

✱

✱

✱

T

1p

br

0,5

✱

B104

✱ ✱

✱ ✱

✱ ✱

48

47

br

0,5

ws

0,5

T

3at
/2

T

3at/1

–

+

N

202

48

47

br

0,5

ws

0,5

T

3av
/2

T

3av
/1

–

+

N

202

✱

✱

✱

T

1q

br

0,5

✱

B104

✱ ✱

✱ ✱

✱ ✱

Current Flow Diagram

ws = white
sw = black

ro = red
br = brown
gn = green
bl = blue
gr = grey
li

= purple

ge = yellow

Edition 02.00

or = orange

Audi A8

No. 64/3

Side airbags for front and rear seats

J234

– Airbag control unit

N199 – Side airbag igniter, driver’s side
N200 – Side airbag igniter, front passenger’s side
N201 – Rear side airbag igniter, driver’s side
N202 – Rear side airbag igniter, front passenger’s side
T1p

– Single connector, in rear seat, centre section

T1q

– Single connector, in rear seat, centre section

T2ay

– 2-pin connector, red, under driver’s seat

T2az

– 2-pin connector, red, under front passenger’s

seat

T2bd

– 2-pin connector, in rear seat, centre section

T3at

– 3-pin connector, in rear seat, centre section

T3au

– 3-pin connector, in rear seat, centre section

T3av

– 3-pin connector, in rear seat, centre section

B104

– Earth connection (rear right), in interior wiring

harness

✱

– Without rear separate seats

✱✱

– Electrically adjustable rear separate seats
– Short circuit bridge becomes effective when

connector is unplugged

97-50837

29

30

31

32

33

34

35

36

37

38

39

40

41

42

30

X
31

15

30

X
31

15

J

234

74

sw/ws

0,35

73

sw/ro

0,35

li/bl

0,35

71

ge/bl

0,35

75

ws

0,35

76

bl

0,35

T

10l
/2

T

10l
/3

2

1

G

128

T

2cf/1

gn

0,35

F

140

T

10k/10

1

2

G

180

br

0,35

109

1

2

G

179

br

0,35

109

C

22

li/bl

0,5

li/bl

0,5

li/bl

0,5

ws/bl

0,5

8

E

3

A125

T

6t/1

li/bl

0,35

T16/8

V

94

gn

0,35

T

2cf/2

T

10k
/9

br

0,35

109

72

ge/ws

0,35

T

2cg/1

gn

0,35

F

141

T

10l/10

gn

0,35

T

2cg/2

T

10l/9

br

0,35

109

T

10a
/9

ws/bl

0,35

J

220

li/bl

0,35

✱

69

Current Flow Diagram

ws = white
sw = black

ro = red
br = brown
gn = green
bl = blue
gr = grey
li

= purple

ge = yellow

Edition 02.00

or = orange

Audi A8

No. 64/4

Crash sensors, seat occupied sensor on front
passenger’s side

C22

– Interference suppression choke for airbag

E3

– Hazard warning light switch

F140

– Switch: front left belt

F141

– Switch: front right belt

G128 – Seat occupied sensor, front passenger’s side
G179 – Side airbag crash sensor, driver’s side
G180 – Side airbag crash sensor, front passenger’s side
J220

– Motronic control unit

J234

– Airbag control unit

T2cf

– 2-pin connector, black, under driver’s seat

T2cg

– 2-pin connector, black, under front passenger’s

seat

T6t

– 6-pin connector, red, footwell, right, at

wheelhouse, behind carpet

T10a

– 10-pin connector, black, connector point,

electronics box, plenum chamber

T10k

– 10-pin connector, brown, under driver’s seat

T10l

– 10-pin connector, brown, under front

passenger’s seat

T16

– 16-pin connector, connector plug C at V94

V94

– Central locking motor with control unit for

interior lights switch-off delay and anti-theft
alarm system

109

– Earth connection, in airbag wiring harness

A125

– Connection (crash signal), in dash panel wiring

harness

✱

– Phased-in modification

97-50838

43

44

45

46

47

48

49

50

51

52

53

54

55

56

30

X
31

15

30

X
31

15

J

234

29

br

0,35

30

ws

0,35

N

196

2

1

G

177

1

2

–

+

✱

31

ro

0,35

32

br

0,35

N

197

2

1

+

–

57

br

0,35

58

bl

0,35

N

198

1

2

–

+

✱

77

gr/bl

0,35

78

br/bl

0,35

79

gr/gn

0,35

80

br/gn

0,35

✱

✱

2

1

G

178

T

2bf
/1

T

2bf
/2

T

2bg
/2

T

2bg/1

G

177

✱ ✱

gr/bl

0,35

br/bl

0,35

2

1

77

78

✱ ✱

✱ ✱

T

3aw
/2

T

3aw
/1

65

sw

0,5

sw

6,0

15

D

B163

sw

1,5

sw

0,35

58

T

6t/3

sw

1,5

A2

G

178

✱ ✱

gr/gn

0,35

br/gn

0,35

2

1

79

80

✱ ✱

✱ ✱

T

3ay
/2

T

3ay/1

✱

✱

Current Flow Diagram

ws = white
sw = black

ro = red
br = brown
gn = green
bl = blue
gr = grey
li

= purple

ge = yellow

Edition 06.00

or = orange

Audi A8

No. 64/5

Rear belt tensioner igniters on driver’s and front
passenger’s side, rear seat occupied sensor, driver’s
and front passenger’s side

D

– Ignition/starter switch

G177 – Rear seat occupied sensor, driver’s side
G178 – Rear seat occupied sensor, front passenger’s

side

J234

– Airbag control unit

N196 – Rear belt tensioner igniter, driver’s side
N197 – Rear belt tensioner igniter, front passenger’s

side

N198 – Rear belt tensioner igniter, centre
T2bf

– 2-pin connector, in rear seat, centre section

T2bg

– 2-pin connector, in rear seat, centre section

T3aw – 3-pin connector, in rear seat, centre section
T3ay

– 3-pin connector, in rear seat, centre section

T6t

– 6-pin connector, red, footwell, right, at

wheelhouse, behind carpet

A2

– Positive (+) connection (15), in dash panel

wiring harness

B163

– Positive (+) connection -1- (15), in interior

wiring harness

✱

– Without rear separate seats

✱✱

– Electrically adjustable rear separate seats

97-52436

57

58

59

60

61

62

63

64

65

66

67

68

69

70

30

X
31

15

30

X
31

15

J

234

70

ge/li

0,35

2

K

145

br

0,35

109

sw

0,35

1

44

68

br/bl

0,35

T

10e/8

br/ro

0,35

T32/10

J

218

B116

gn

0,35

E

224

2

4

B100

A37

K

75

81

T

5m/3

br

0,35

T

5m/4

br

0,35

br

0,35

T

5m/1

br

0,35

E

26

W

6

3

gn

0,35

1

T

5m/5

gr/bl

0,35

gr/bl

0,35

T

10m/1

gr/bl

0,5

bl/gr

0,35

A19

gr/bl

0,35

T32b
/23

J

218

B117

gr/gn

0,35

T

5m/2

gr/gn

1,0

gr/gn

1,0

T

6t/2

gr/gn

0,35

T32b/14

J

218

58a

58s

Current Flow Diagram

ws = white
sw = black

ro = red
br = brown
gn = green
bl = blue
gr = grey
li

= purple

ge = yellow

Edition 06.00

or = orange

Audi A8

No. 64/6

Airbag disabled warning lamp (front passenger’s
side), airbag disabling key switch (front
passenger’s side), glove box light

E26

– Glove box light switch

E224 – Airbag disabling key switch, front passenger’s

side

J218

– Combi-processor in dash panel insert

J234

– Airbag control unit

K75

– Airbag warning lamp

K145 – Airbag disabled warning lamp, front

passenger’s side

T5m

– 5-pin connector, at glove box

T6t

– 6-pin connector, red, footwell, right, at

wheelhouse, behind carpet

T10e

– 10-pin connector, green, footwell, right, at

wheelhouse, behind carpet

T10m – 10-pin connector, grey, footwell, right, at

wheelhouse, behind carpet

T32

– 32-pin connector, blue, on dash panel insert

T32b

– 32-pin connector, grey, on dash panel insert

W6

– Glove box light

109

– Earth connection, in airbag wiring harness

A19

– Connection (58s), in dash panel wiring harness

(switch illumination)

A37

– Connection (58a), in dash panel wiring harness

B100

– Earth connection, in interior wiring harness,

front right

B116

– Connection (58s), in interior wiring harness

B117

– Connection (58a, right), in interior wiring

harness