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Golf/Bora

Current flow diagram

No. 55/1

2.0 ltr./85 kW Motronic, engine code AQY,
from August 1998

2.0 ltr./85 kW Motronic, engine code APK,
from October 1998

For alternatives to relay and fuse positions as well as multi-pin connector wiring-see "Fitting locations" section. Relay locations on 13 position additional relay carrier, above relay plate:
Fuse colours 30 A ­ green 25 A ­ white 20 A ­ yellow 15 A ­ blue 10 A ­ red 7.5 A ­ brown 5 A ­ beige 3 A ­ lilac

Relay locations on relay plate:

2 4

X contact relief relay (18) Fuel pump relay (409)

97­14163

Note: The number in brackets behind the part designation denotes the control number on the housing.

Edition 04.99

Golf/Bora
31

Current flow diagram
Alternator, starter
31 a

No. 55/2
A B C C1 D J59 J226 ­ ­ ­ ­ ­ ­ ­ Battery Starter Alternator Voltage regulator Ignition/starter switch X contact relief relay Starter inhibitor and reversing light relay, on 13 position additional relay carrier Fuse -1- (30) in battery fuse holder Fuse -2- (30) in battery fuse holder Fuse -4- (30) in battery fuse holder Fuse -5- (30) in battery fuse holder 2-pin connector, near starter (on vehicles not fitted with air conditioner) 4-pin connector, near starter (on vehicles fitted with air conditioner)

9 3

5/31

J 59

2 7/30 b 500 502

16,0 ro

6,0 ro

80

D /50b
2,5 ro/sw 1 4 2 A41 0,5 ro/sw

88

S162 ­ S163 ­ S176 ­ S177 ­ T2e ­ T4 ­

16,0 sw 5 125

6,0 ro

1,5 ro/sw

T6

S177 S162 S176 S163
110A 50A 110A 50A

J 226 /6 J 226 /8
0,5 ro/sw 2,5 ro/sw

­ 6-pin connector, brown, in protective housing for connectors, left in plenum chamber ­ Screw connection -1- (30), on relay plate ­ Screw connection -1- (30a), on relay plate ­ Positive (+) connection (50), in dash panel wiring harness ­ For vehicles with manual gearbox only ­ Not for vehicles with engine codes APK For vehicles with automatic gearbox only

0,35 bl

500 502

2,5 ro/sw

A41

T4/2 T2e/2
0,5 bl

A /+

A /+
35,0 sw

T6/3
2,5 ro/sw



­­­

D+ G

B+

30

50

C B C1
M

ws = white sw = black ro = red br = brown gn = green bl = blue gr = grey li = lilac ge = yellow
11 12 13 14 97-24973

1

2

3

4

5

6

7

8

9

10

Edition 04.99

Golf/Bora
31 a

Current flow diagram
31 a

No. 55/3
Motronic control unit, ignition system
D ­ Ignition/starter switch J220 ­ Motronic control unit, centre in plenum chamber N152 ­ Ignition transformer P ­ Spark plug connector Q ­ Flame plug S10 ­ Fuse in relay plate fuse box S229 ­ Fuse in fuse holder T4a ­ 4-pin connector T6 ­ 6-pin connector, brown, in protective housing for connectors, left in plenum chamber T10a ­ 10-pin connector, in cable channel left in engine compartment T80 ­ 80-pin connector
10

b S1/1 501

0,5 br

6,0 ro A32 2,5 ro 6,0 ro 1,5 ro/li 1,5 sw/li 1,5 sw/li A104 1,5 sw/li 1,0 ro/li

T6/4
1,0 ro/gn 10a 29a

T10a/8

T6/1
T80/1 T80/3

­ Earth point, in plenum chamber ­ Earth point, next to steering column ­ Earth connection -1-, in dash panel wiring harness ­ Earth connection -1-, in engine compartment wiring harness ­ Screw connection -2- (30), on relay plate

42 81 85 501

D /30
1,0 ro 81 A98

S10
10A 10 1,5 sw

S229
15A 29

D /15
2,5 sw

J 220
T80/71 0,5 gn/br T80/78 0,5 gn/ge

A2 4,0 br 0,5 sw 2,5 sw

T4a/2

N 152

T4a/1

T4a/3

90

115 1,0 br

114

T4a/4 2,5 br

­ Positive (+) connection (15), in dash panel wiring harness A32 ­ Positive connection (30), in dash panel wiring harness A98 ­ Positive connection -4-(30), in dash panel wiring harness A104 ­ Positive connection -2- (15), in dash panel wiring harness
A2

85 2,5 br

P Q

T10a/7
2,5 br 42 15 16 17 18 19 20 21 10 22 23 24 25 26 27 28 97-24974

ws = white sw = black ro = red br = brown gn = green bl = blue gr = grey li = lilac ge = yellow

Edition 04.99

Golf/Bora
31 a

Current flow diagram
31 a

No. 55/4
Motronic control unit, coolant temperature sender, Hall sender
Coolant temperature sender Hall sender Coolant temperature sender Motronic control unit, centre in plenum chamber T10 ­ 10-pin connector, orange, in protective housing for connectors, left in plenum chamber T10a ­ 10-pin connector, in cable channel left in engine compartment T80 ­ 80-pin connector
220
D101

G2 G40 G62 J220

­ ­ ­ ­

­ Earth connection (sender earth), in engine wiring harness ­ Connection -1-, in engine compartment wiring harness

J 220

T80/19 W 0,5 gr/ws T80/18 0,5 gn/ws T80/62 0,5 li/ro T80/76 0,5 li/ge T80/67 T80/53 0,5 bl

­ Fuel consumption signal from engine control unit, for MFI only

1,0 br/bl

113 0,35 li

T10/1
0,35 gr/ws

T10/2
0,35 gn/ws

T10a/4
0,5 li

119

126

47

2

3

4

G62
1 0,5 li/ro 0,5 li/ro

G2
1 0,5 br/bl 2 0,5 br/ws

G40

3 0,5 br/bl

122 D101 220 c

ws = white sw = black ro = red br = brown gn = green bl = blue gr = grey li = lilac ge = yellow

29

30

31

32

33

34

35

36

37

38

39

40

41

42 97-24975

Edition 04.99

Golf/Bora
31 a

Current flow diagram
31 a

No. 55/5
Motronic control unit, throttle valve control part, knock sensor I, knock sensor II
F60 G61 G66 G69 G88 J220 J338 T2 T2a T8 T80 V60


­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­

T10/7
0,5 gn

T10/8
0,5 bl/ro

Idling switch Knock sensor I Knock sensor II Throttle valve potentiometer Throttle valve positioner potentiometer Motronic control unit, centre in plenum chamber Throttle valve control unit 2-pin connector, rear in engine compartment 2-pin connector, front in engine compartment 8-pin connector 80-pin connector Throttle valve positioner

T80/8

T80/10

J 220
T80/75 T80/74 0,5 li/ge T80/68 0,5 gr T80/60 0,5 gn/ge

­ Compressor switch off ­ Air conditioner "ready" connection

T80/66 1,0 li

T80/59

T80/69

1,0 li/ws

0,5 ws

0,5 li/sw

34

0,5 li/ro

0,5 bl

0,5 br/ws

T2/2
T8/1 M T8/2 T8/3 T8/5 T8/4 T8/8

T2/1
0,5 sw

T2a/2 T2a/1
0,5 sw

G 61 J 338 V 60 F 60
T8/7 0,5 br/bl c

G 66

G 69

G 88

c

ws = white sw = black ro = red br = brown gn = green bl = blue gr = grey li = lilac ge = yellow

43

44

45

46

47

48

49

50

51

52

53

54

55

56 97-24976

Edition 04.99

Golf/Bora
31 a

Current flow diagram
31 a

No. 55/6
Motronic control unit, engine speed sender, injectors
G28 ­ Engine speed sender J220 ­ Motronic control unit, centre in plenum chamber N30 ­ Injector, cylinder 1 N31 ­ Injector, cylinder 2 N32 ­ Injector, cylinder 3 N33 ­ Injector, cylinder 4 S232 ­ Fuse in fuse holder T3 ­ 3-pin connector, near intake manifold T10a ­ 10-pin connector, in cable channel left in engine compartment T80 ­ 80-pin connector ­ Earth connection (sender earth), in engine wiring harness A101 ­ Connection -3- (87), in dash panel wiring harness D95 ­ Connection (injectors), in engine compartment wiring harness
220

J 220
T80/63 0,5 ws T80/56 0,5 ge 99 T80/73 1,0 li T80/80 1,0 li/gn T80/58 1,0 li/ro T80/65 1,0 li/bl

4,0 bl 0,5 sw 32

S232
10A 32a 1,5 ro/li A101 1,5 ro/li 2 2 2 2

T3/1

T3/2

T3/3

N 30
1 1

N 31
1

N 32
1

N 33

G 28

T10a/5
1,0 ro/li

1,0 ro/li

1,0 ro/li

1,0 ro/li

1,0 ro/li D95

c

220

ws = white sw = black ro = red br = brown gn = green bl = blue gr = grey li = lilac ge = yellow

57

58

59

60

61

62

63

64

65

66

67

68

69

70 97-24976

Edition 04.99

Golf/Bora
31 a

Current flow diagram
31 a

No. 55/7
Motronic control unit, secondary air pump motor
J104 ­ ABS with EDL control unit, left in engine compartment J217 ­ Automatic gearbox control unit J220 ­ Motronic control unit, centre in plenum chamber J299 ­ Secondary air pump relay, in protective housing, left in engine compartment (control number 100) N112 ­ Secondary air inlet valve T10d ­ 10-pin connector, green, in protective housing for connectors, left in plenum chamber T25 ­ 25-pin connector, on control unit for ABS/ABS with EDL T47 ­ 47-pin connector, control unit for ABS with EDL/TCS/ESP T68 ­ 68-pin connector T80 ­ 80-pin connector V101 ­ Secondary air pump motor
10

A122 0,5 ws 0,35 or/br

A121 0,5 sw 0,35 or/sw

217 T68/32 0,5 ge

J

T10d/3
0,5 or/br 0,35 or/br 104 T47/20 T25/10

T10d/2 J
0,5 or/sw 0,35 or/sw 104 T47/19 T25/11

J

J 217
T68/3 T80/29

217 T68/25

J

T80/41

J 220
T80/30 6 6,0 ro 1/30 4/86 0,5 gr/br

T80/32

­ Earth point, in plenum chamber

T80/2 2,5 br/ro

T80/21 0,5 ws

T80/43 0,5 li/ge

T80/33 1,0 li/ro

­ Earth connection -2-, in engine compartment wiring harness E30 ­ Connection (87a), in engine wiring harness
131
A121 A122



T10d/7

T10d/1

J 299
2/87 4,0 ws/ro 3/85 1,5 ge/sw



­ Connection (high bus), in dash panel wiring harness ­ Connection (low bus), in dash panel wiring harness ­ Not for vehicles with engine codes APK For vehicles with automatic gearbox only

­­­
2

2 102

V101

M 1

N 112
1 1,5 bl/ge

1,5 br/ro

4,0 br

2,5 br/ro 131 71 72 73 74 75 10 76 77 78 79

10 80

E30 81 82 83 84 97-24978

d

ws = white sw = black ro = red br = brown gn = green bl = blue gr = grey li = lilac ge = yellow

Edition 04.99

Golf/Bora
31 a 16/85 4 20 18/C 22/50 24/TK 19/86 21/31 17/30

Current flow diagram

No. 55/8
Motronic control unit, air mass meter ,Lambda probe, activated charcoal filter system solenoid valve, fuel pump relay
G39 ­ G70 ­ G130 ­ J17 ­ J220 ­ J234 ­ N80 ­ T4b ­ T4c ­ T10 ­ Lambda probe Air mass meter Lambda probe after catalyst Fuel pump relay Motronic control unit, centre in plenum chamber Airbag control unit, down behind console Activated charcoal filter system solenoid valve I 4-pin connector, in protective housing in rear of engine compartment 4-pin connector, in protective housing in rear of engine compartment 10-pin connector, orange, in protective housing for connectors, left in plenum chamber 50-pin connector 80-pin connector

J 17
23/87 e

S3/6 0,5 li/ws

S3/4

S3/5 0,5 li/ws

S3/2 1,5 ro/sw

S3/1 0,5 br/ge

S3/3 0,5 sw

S2/5

A125 0,5 li/ws

12

119

20

A27

f g

0,35 bl/ws

0,35 gn/br

T10/3

T10/6
0,5 bl/ws

T10/9
0,5 gn/br T80/6

234 T50/34 T80/4

J

J 220
T80/26 T80/27 1,0 br/sw T80/51 1,0 gn T80/52 T80/28 1,0 br/sw

T80/20

T50 ­ T80 ­
T80/15

T80/25 1,0 br

T80/13 1,0 bl

T80/12

T80/11

T80/40

A27
A125

1,0 sw

1,0 sw

1,0 br/bl

1,0 li/ro

1,0 br/bl

1,0 li/ro

­ Connection (speed signal), in dash panel wiring harness ­ Connection (crash signal), in dash panel wiring harness

T4b/3 T4b/4
1,0 gr 1,0 sw

T4b/2 T4c/3 T4c/4
1,0 ws 1,0 sw

T4c/2
1,0 ws

5

3

4

1

2

N 80 G39
1,0 ws

G130
1,0 ws

2 1,5 bl/ge

G70

1 1,0 bl/ge

T4b/1
1,5 bl/ge d 85 86 87 88 89 90 91 92

T4c/1
1,0 bl/ge d 93 94 95 96 97 98 97-24979

ws = white sw = black ro = red br = brown gn = green bl = blue gr = grey li = lilac ge = yellow

Edition 04.99

Golf/Bora

Current flow diagram

No. 55/9
Fuel pump, fuel gauge sender, coolant shortage indicator sender, crankcase breather heater element
Fuel gauge sender Fuel pump (pre-supply pump) Coolant shortage indicator sender Heater element (crankcase breather) Fuse in fuse holder Fuse in fuse holder Fuse in fuse holder 6-pin connector, brown, in protective housing for connectors, left in plenum chamber T10a ­ 10-pin connector, in cable channel left in engine compartment
135 269 504

e 504 4,0 bl f g A99 f g h i j 0,35 li/sw 0,35 br/ws 0,35 li/ro

G ­ G6 ­ G32 ­ N79 ­ S228 ­ S234 ­ S243 ­ T6 ­

4,0 bl

4,0 bl

4,0 bl

4,0 bl

43 62

34

28

­ Earth connection -2-, in dash panel wiring harness ­ Earth connection (sender earth) -1-, in dash panel wiring harness ­ Screw connection -1- (87F), on relay plate

S243
10A 43a 2,5 bl/ge

S234
10A 34a 1,0 ge/sw

S228
15A 28a 1,5 bl/ro

121

126

0,35 br/ws

0,35 br/ws

A100 1,0 ge/sw 1,0 ge/sw

269 0,5 br/ws 1,0 br/ws 0,5 br/ws

­ Connection -1- (87), in dash panel wiring harness A100 ­ Connection -2- (87), in dash panel wiring harness E30 ­ Connection (87a), in engine wiring harness
A99

T6/5
2,5 bl/ge

T6/6
1,0 bl/ge 1

T10a/
6

T10a/9
0,5 br/ws 1 3 1

N 79
2 1,5 br/ro

G6

M 4 1,5 br 2

G
28

G 32
2

d 99 100

E30 101

72 102 103 104

135 105 106 107 108 109 110 111 112 97-24978

ws = white sw = black ro = red br = brown gn = green bl = blue gr = grey li = lilac ge = yellow

Edition 04.99

Golf/Bora

Current flow diagram

No. 55/10
Dash panel insert, optical and acoustic oil pressure warning, speedometer sender, coolant temperature/coolant shortage warning lamp, alternator warning lamp
Oil pressure switch Speedometer sender (Hall sender on gearbox) Buzzer Control unit with display in dash panel insert Alternator warning lamp Oil pressure warning lamp Warning lamp for coolant temperature/coolant shortage S7 ­ Fuse in relay plate fuse box T10a ­ 10-pin connector, in cable channel left in engine compartment T32 ­ 32-pin connector, blue
A13
B163

F1 G22 H3 J285 K2 K3 K28

­ ­ ­ ­ ­ ­ ­

f g h i j 22 2,5 sw 0,35 gn A13 0,35 gn/sw 0,35 br/ge 0,35 gn 0,35 li/ro 0,35 br/ws 2 0,35 bl

f g h

0,5 br/ge

­ Connection (door contact switch) , in dash panel wiring harness ­ Positive connection -1- (15), in interior wiring harness

7

T10a/10

T10a/1

89

T32/21

T32/10

T32/28

T32/22

T32/7

T32/12

S7
7a

10A

K2 J285
0,5 ws/bl 0,5 gn/sw

1,0 sw/gn

B163

K3 T10a/

H3

K 28

2 1,0 sw/ws 1 2

G22
3

F1

1,0 br

21

ws = white sw = black ro = red br = brown gn = green bl = blue gr = grey li = lilac ge = yellow
118 119 120 121 122 123 124 125 126 97-24981

113

114

115

116

117

Edition 04.99

Golf/Bora

Current flow diagram

No. 55/11
Dash panel insert, coolant temperature gauge, fuel gauge, rev. counter, speedometer, multi-function indicator, ambient temperature display
Multi­function display call­up button Multi­function display, memory switch Fuel gauge Coolant temperature gauge Rev. counter Ambient temperature sensor Speedometer Multi­function display Control unit with display in dash panel insert Reserve fuel warning lamp 6-pin connector 12-pin connector, connection for Climatronic only T16 ­ 16-pin connector, in centre of dash panel, self-diagnosis connection T32 ­ 32-pin connector, blue T32a ­ 32-pin connector, green ­ Connection (speed signal), in dash panel wiring harness A76 ­ Connection (diagnosis wire K), in dash panel wiring harness
A27


E 86
f g h 0,35 bl/ws 0,35 li/sw 0,35 gn/br 0,35 bl/ws 0,5 gr/ws T6e/1 A27 T16/7

E 109
T6e/2 T6e/4 T6e/3

41 0,35 li

T12a/10

29 0,35 gr/ws 0,35 gr/ws

A76

0,35 bl/gn

0,35 bl

0,35 bl/gr

E86 ­ E109 ­ G1 ­ G3 ­ G5 ­ G17 ­ G21 ­ J119 ­ J285 ­ K105 ­ T6e ­ T12a ­

0,35 br/ws

110

T32/8

T32/5

T32/11

T32/3

W T32a/5

K T32/25

T32a/ 24

T32a/ 23

T32a/25

G3

G1 J285

­ Engine speed signal from engine control unit ­ Fuel consumption signal from engine control unit, for MFI only

K105 G5 G21
T32a/26 0,35 br/ge 1 108 2

J119
T32a/32 0,35 gn/ws

G17

0,35 br/ws

31

ws = white sw = black ro = red br = brown gn = green bl = blue gr = grey li = lilac ge = yellow

113

114

115

116

117

118

119

120

121

122

123

124

125

126 97-24982

Edition 04.99