Wiring.pdf

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OCTAVIA IV
Basic equipment , (K8B)
From November 2019
Current Flow Diagram
No. 1 / 1
07.2020
OCTAVIA IV
J
519
Current Flow Diagram
No. 1 / 2
Battery, Battery monitor control unit, Fuse holder A, Fuse
holder D
A
B
CX1
J367
J519
SA
SD1
SA1
SA4
SA5
SD
T2e
1
18
686
Battery
Starter
Alternator with voltage regulator
Battery monitor control unit
Onboard supply control unit
Fuse holder A
Fuse 1 on fuse holder D
Fuse 1 on fuse holder A
Fuse 4 on fuse holder A
Fuse 5 on fuse holder A
Fuse holder D
2-pin connector
Earth strap, battery - body
Earth point, on cylinder block
Earth point 2, on front of right longitudinal member
SD
SD
1
400A
*5
205
205
20.0
sw
35.0
sw
0.35
vi/ws
B
CX
1
SA
B549 Connection 2 (LIN bus) in main wiring harness
*
*2
*3
*4
*5
For models with start/stop system
For models with no start/stop system
For models with no auxiliary heater
For models with auxiliary heating
Cross-section 16.0 possible
B549
30
30
*4
1.0
rt/vi
*
0.35
vi/ws
*
*4
SA
1
150A
SA
4
125A
SA
5
125A
+
A
T2e
/2
30
-
T2e
/1
LIN
25.0
sw
16.0
rt
16.0
sw
J
367
*
16
16
114
114
30
30
25.0
sw
*2
*3
30.0
sw
*
*2
*
20.0
sw
1
1
2
3
4
5
6
1
686
7
8
9
10
11
12
13
18
14
NX0-001020720
ws
sw
ro
rt
br
gn
bl
gr
li
vi
ge
or
rs
=
=
=
=
=
=
=
=
=
=
=
=
=
white
black
red
red
brown
green
blue
grey
purple
purple
yellow
orange
pink
07.2020
OCTAVIA IV
J
519
B
Current Flow Diagram
Horn relay, Fuse holder B
J413
J519
SB
SB9
SB10
SB11
T46b
*
Horn relay
Onboard supply control unit
Fuse holder B
Fuse 9 on fuse holder B
Fuse 10 on fuse holder B
Fuse 11 on fuse holder B
46-pin connector
For models with no start/stop system
No. 1 / 3
T46b
/43
9
9
1.0
rt/br
25.0
sw
18
18
SB
30
86
87
87a
30
SB
9
15A
85
62
30
63
J
413
SB
10
30A
SB
11
7,5A
*
1.0
rt/br
1.0
sw/ge
2.5
sw/gn
0.35
rt/vi
18
18
508
508
464
464
218
218
15
16
17
18
19
20
21
22
23
24
25
26
27
28
NX0-001030720
ws
sw
ro
rt
br
gn
bl
gr
li
vi
ge
or
rs
=
=
=
=
=
=
=
=
=
=
=
=
=
white
black
red
red
brown
green
blue
grey
purple
purple
yellow
orange
pink
07.2020
OCTAVIA IV
J
519
Current Flow Diagram
Fuse holder C
J345
J519
J891
SC
SC2
SC3
SC4
T2a
No. 1 / 4
Trailer detector control unit, on left in luggage compartment
Onboard supply control unit
Control unit for reducing agent heater
Fuse holder C
Fuse 2 on fuse holder C
Fuse 3 on fuse holder C
Fuse 4 on fuse holder C
2-pin connector
13
13
16.0
sw
T2a
/2
30_2
30_2
SC
SC
2
SC
3
25A
SC
4
20A
1.5
rt/bl
2.5
rt/gn
J
345
J
891
29
30
31
32
33
34
35
36
37
38
39
40
41
42
NX0-001040720
ws
sw
ro
rt
br
gn
bl
gr
li
vi
ge
or
rs
=
=
=
=
=
=
=
=
=
=
=
=
=
white
black
red
red
brown
green
blue
grey
purple
purple
yellow
orange
pink
07.2020
OCTAVIA IV
J
519
Current Flow Diagram
Fuse holder C
EX21
G747
J245
J519
SC
SC5
SC6
SC7
SC8
*
Heater and air conditioning controls
Parking lock sender
Sliding sunroof adjustment control unit
Onboard supply control unit
Fuse holder C
Fuse 5 on fuse holder C
Fuse 6 on fuse holder C
Fuse 7 on fuse holder C
Fuse 8 on fuse holder C
For models with automatic gearbox
No. 1 / 5
SC
SC
5
25A
SC
6
30A
SC
7
30A
SC
8
20A
*
1.5
rt/ge
2.5
rt/ws
2.5
rt/ge
1.5
rt
G
747
341
341
EX
21
J
245
43
44
45
46
47
48
49
50
51
52
53
54
55
56
NX0-001050720
ws
sw
ro
rt
br
gn
bl
gr
li
vi
ge
or
rs
=
=
=
=
=
=
=
=
=
=
=
=
=
white
black
red
red
brown
green
blue
grey
purple
purple
yellow
orange
pink
07.2020
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