Audi A8
No. 64/2
Current Flow Diagram
30 15 X 31
Airbags and belt tensioners for driver and front passenger
30 15 X 31
N153 –
1
0,5 br
N154
+
+
2
0,5 gn
N251
–
2
0,5 sw
J234
33 0,5 ge
62
1
0,5 br
63
T4af
T4af
T4af
T4ag
T4ag
T4ag
/3
/1
/2
/3
/1
/2
0,5 br
0,5 ge
0,5 bl
0,5 br
0,5 sw
0,5 bl
38
50
51
66
67
0,5 ge
52
0,5 gn/ro
T3n/1 T3n/2
T2bm T2bm/2
B159
/1 0,5 ge
49
37
0,5 gr
12
64
34 0,5 ws
– Airbag coil connector – Airbag control unit – Diagnosis connection – Airbag igniter, driver’s side – Airbag igniter 1, front passenger’s side – Belt tensioner igniter -1-, driver’s side – Belt tensioner igniter -2-, front passenger’s side – Curtain airbag igniter, driver’s side – Curtain airbag igniter, front passenger’s side – 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
N252
9 61
F138 J234 K N95 N131 N153 N154 N251 N252 T2bm
+ 0,5 ws
0,35 gn/ro
N131
+
T10e/10
A76
9 1,5 br/ws
43 3
4
5
A76
– Connection (diagnosis wire K), in dash panel wiring harness – Connection (diagnosis), in interior wiring harness
1
F138
2
– Earth connection, in airbag wiring harness
– Short circuit bridge becomes effective when connector is unplugged
0,35 gn/ro
1
109
B159
T5b/5 T5b/4
2
– Earth point, lower part of right A-pillar
–
N95 –
43
6
7
0,5 br
109 8
0,5 br
109 9
0,5 gn/ro
12 0,5 br
109 10
11
T16a/7
K 109
12
13
ws = white sw = black ro = red br = brown gn = green bl = blue gr = grey li = purple ge = yellow or = orange
14 97-50835
Edition 02.00
Audi A8
No. 64/3
Current Flow Diagram Side airbags for front and rear seats
30 15 X 31
30 15 X 31
J234 N199 N200 N201 N202 T1p T1q T2ay T2az
– Airbag control unit – Side airbag igniter, driver’s side – Side airbag igniter, front passenger’s side – Rear side airbag igniter, driver’s side – Rear side airbag igniter, front passenger’s side – Single connector, in rear seat, centre section – Single connector, in rear seat, centre section – 2-pin connector, red, under driver’s seat – 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
J234 41
0,5 gn
42
0,5 br
45
0,5 bl
46
0,5 br
43
0,5 br
44
✱
0,5 ge
✱
T2ay
T2ay
T2az
T2az
T3au
T3au
/1
/2
/1
/2
/2
/1
+
–
+
N199
–
–
N200
43
0,5 br
44
✱✱
0,5 ge
47
✱✱
0,5 br
T2bd T2bd/1
✱
–
N201
+
T3at
/1
/2
+
17
18
19
20
0,5 ws
✱✱
✱✱
T3at/1
–
+
ws = white sw = black ro = red br = brown gn = green bl = blue gr = grey li = purple ge = yellow or = orange
N202 ✱✱
✱
T1q
✱
0,5 br
B104 16
✱✱
T3av
T1p
15
0,5 br
N202
✱✱
0,5 br
✱
48
/2
–
N201
✱
0,5 ws
47
T3av
/2
+
48
✱
B104 21
22
23
24
25
26
27
28 97-50836
Edition 02.00
Audi A8
No. 64/4
Current Flow Diagram
30 15 X 31
Crash sensors, seat occupied sensor on front passenger’s side
30 15 X 31
C22 E3 F140 F141 G128 G179 G180 J220 J234 T2cf T2cg
– Interference suppression choke for airbag – Hazard warning light switch – Switch: front left belt – Switch: front right belt – Seat occupied sensor, front passenger’s side – Side airbag crash sensor, driver’s side – Side airbag crash sensor, front passenger’s side – Motronic control unit – Airbag control unit – 2-pin connector, black, under driver’s seat – 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
J234 69
J220 0,35 ws/bl
75
0,35 li/bl
0,35 ws
76
0,35 bl
73
74
0,35 sw/ro
0,35 sw/ws
2
C22
V94 T16/8
T10a /9 0,35 li/bl
0,5 li/bl
A125 0,5 ws/bl
T10l
0,35 ✱ li/bl
72
0,35 ge/bl
0,35 ge/ws
T10k/10
2
G179 1G180 T10l
/3
71
1
T10l/10
0,35 gn
0,35 gn
T2cg/2
A125
– Connection (crash signal), in dash panel wiring harness
✱
– Phased-in modification
F140
1
F141
0,5 li/bl
G128 T6t/1
T2cf/1
T10k
T2cg/1
T10l/9
/9 0,5 li/bl
0,35 br
0,35 br
0,35 gn
0,35 br
0,35 gn
0,35 br
8
E3 29
– Earth connection, in airbag wiring harness
/2
T2cf/2 2
109
30
31
109 32
33
34
35
109 36
109 37
38
39
109 40
41
ws = white sw = black ro = red br = brown gn = green bl = blue gr = grey li = purple ge = yellow or = orange
42 97-50837
Edition 02.00
Audi A8
No. 64/5
Current Flow Diagram
30 15 X 31
Rear belt tensioner igniters on driver’s and front passenger’s side, rear seat occupied sensor, driver’s and front passenger’s side
30 15 X 31
T6t/3
58 0,35 sw
✱✱
✱✱
G177
1,5 sw
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
G178
1,5 sw 2 A2
1
T3aw T3aw T3ay
B163
/2 0,5 sw
2
1
6,0 sw
0,35 gr/bl
✱✱
/1 0,35 br/bl
✱✱
T3ay/1
/2 ✱✱ ✱✱ 0,35 0,35 gr/gn br/gn
15
D
65
J234
77
78
79
80
77
78
79
80
A2 30
29
32
31
58
57
B163 0,35 br
0,35 ws
0,35 ro
0,35 br
0,35 br
0,35 ✱ 0,35 ✱ 0,35 ✱ br/bl gr/gn br/gn
0,35 ✱ gr/bl
0,35 bl
✱ –
1
+ 2
+
N196
2
–
–
1
+ 2
1
N197
✱✱
N198
T2bf
T2bf
T2bg T2bg/1
2
1
2
/1
/2
/2
45
46
47
48
49
50
51
52
53
1
ws = white sw = black ro = red br = brown gn = green bl = blue gr = grey li = purple ge = yellow or = orange
G178
✱
44
– Without rear separate seats – Electrically adjustable rear separate seats
✱
G177
43
– Positive (+) connection (15), in dash panel wiring harness – Positive (+) connection -1- (15), in interior wiring harness
54
55
56 97-50838
Edition 06.00
Audi A8
No. 64/6
Current Flow Diagram
30 15 X 31
Airbag disabled warning lamp (front passenger’s side), airbag disabling key switch (front passenger’s side), glove box light
30 15 X 31
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
A19
0,35 bl/gr
T5m/3
0,35 gr/bl
T10m/1
58s T32b /23 218
T6t/2
J 0,35 gn
0,35 gn
0,5 gr/bl
1,0 gr/gn
B116
J234
B117
A37
81 0,35 gr/bl
0,35 gr/gn
0,35 gr/gn
68
70
T5m/5 0,35 ge/li
0,35 br/bl
T10e/8
K145
0,35 sw
E224
0,35 br/ro
44
T5m/2
58a T32b/14
J218
0,35 gr/bl
2
1
1,0 gr/gn
3
1
4
2
0,35 br
0,35 br
W6
B117
E26
T5m/1 0,35 br
0,35 br B100
109 61
62
63
64
65
66
67
68
– Earth connection, in interior wiring harness, front right – Connection (58s), in interior wiring harness – Connection (58a, right), in interior wiring harness
ws = white sw = black ro = red br = brown gn = green bl = blue gr = grey li = purple ge = yellow or = orange
0,35 br
60
– Connection (58s), in dash panel wiring harness (switch illumination) – Connection (58a), in dash panel wiring harness
B100
T32/10
59
A19
B116
T5m/4
58
– Earth connection, in airbag wiring harness
A37
J218 K75
57
109
69
70 97-52436
Edition 06.00