10/7/23, 18:51 1.

6l Petrol Engine, CLSA, from May 2015 (Powertrain Management) - ALLDATA Repair
2018 Volkswagen Vento (604) (MEXICO) L4-1.6L (CLSA)
Vehicle > Powertrain Management > Diagrams > Electrical (OE)

1.6L PETROL ENGINE, CLSA, FROM MAY 2015

Licensed by VOLKSWAGEN AG
Polo Current Flow Diagram No. 45 / 1
01.2022

1.6l petrol engine , CLSA

From May 2015

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10/7/23, 18:51 1.6l Petrol Engine, CLSA, from May 2015 (Powertrain Management) - ALLDATA Repair

Polo Current Flow Diagram No. 45 / 2

Battery, Starter, Alternator with
SA1
SA

SA3 151 158 12

voltage regulator, Ignition/starter
157 42

0.5 2.5 *4
switch, Starter inhibitor relay, Fuse
holder A, Fuse holder B
rt/sw rt
16.0 A40
B239 A40
rt
16 142

17
0.5 *
rt/sw *3
A -Battery
B -Starter
152
0.5 * 2.5 * 2.5 *5 1.0 0.5 2.5 4.0
rt/ge *9 rt/sw rt/ws sw/rt sw/rt rt/sw rt

Alternator with voltage

CX1 -
0.5 0.35
T5zy
/2
T5zy
/3
T6ba
/4
S
T6ba
/6
75
T6ba
/1
50
T6ba
/3
30
regulator
85 30

D -Ignition/starter switch
bl vi/gn

J207 -Starter inhibitor relay 📷

86 87 30 15
T5zy J207 T5zy T6ba D T6ba
/1 * /5 /5 /2

SA -Fuse holder A 📷
SA1 -Fuse 1 on fuse holder A 📷
0.5 * 2.5 *4
br rt
2.5 * 1.5 *6 4.0

SA3 -Fuse 3 on fuse holder A 📷

rt/ge rt sw

SB -Fuse holder B 📷
161 27 14
T2aa T2aa
/1 /2 A15

0.5
bl
16.0
sw
0.5
br/rt
SB3 -Fuse 3 on fuse holder B 📷
25.0 *2

-Fuse 9 on fuse holder B 📷

1.5 4.0
T2a
/1
61 B+
T2a
/2
DF
sw

30
T1m
/1
sw sw
SB9
SB 3a 9a
Fuse 11 on fuse holder
SB11 -
3
>U A B SB3 SB9 SB11
G
B📷
M
3b 9b 11b
CX1

*8
16.0
sw
*8 *8
0.5
sw/bl
0.5 *7
sw/ge
0.5
sw/ge T1m -1-pin connector
624 38 180 173
T2a -2-pin connector
1 2 3 4 5 6 7 8 9 10 11 12 13 14 T2aa -2-pin connector 📷
604-045020122

T5zy -5-pin connector

T6ba -6-pin connector
Earth point, next to starter
624 -
ws=white battery 📷
sw=black Positive connection (15), in
A15 -
ro =red instrument wiring harness
rt =red Positive connection 1 (30),
br =brown A40 -in dash panel wiring
gn =green harness
bl =blue Positive connection 1 (50),
B239 -
gr =grey in interior wiring harness
li =purple For models with automatic
* -
vi =purple gearbox
ge =yellow Cross section depends on
*2 -
or =orange equipment
rs =pink *3 -Up to June 2015
tk =turquoise *4 -For right-hand drive models
blk=uninsulated For models with manual
*5 -
gearbox
*6 -For left-hand drive models
*7 -According to equipment
*8 -Earth supply via housing
*9 -From June 2015

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10/7/23, 18:51 1.6l Petrol Engine, CLSA, from May 2015 (Powertrain Management) - ALLDATA Repair

Polo Current Flow Diagram No. 45 / 3

Main relay, Fuse holder B
171 11
J271 -Main relay 📷
SB -Fuse holder B 📷
Fuse 19 on fuse holder
SB19 -
A40

0.5
rt/ge
B📷
4.0 1.5 *2 6.0
rt rt rt
Fuse 20 on fuse holder
SB20 -
10.0
rt

B169 B16
B📷
0.5
rt/ge Fuse 23 on fuse holder
SB23 -
B📷
A52

T5zt T5zt
/3 /1
Fuse 28 on fuse holder
SB28 -
B170 30 86

B📷
11

87 85
J271
Fuse 29 on fuse holder
T5zt T5zt 0.5
/5 /2 rt/ge

SB29 -
B📷
4.0 1.5
sw/vi rt
16.0 10.0

Fuse 31 on fuse holder

rt rt
1.0 B275 0.5

SB31 -
sw/rt bl/gn

B📷
4.0
sw/vi 18
Fuse 32 on fuse holder
6 43
SB32 -
B📷
SB 19a 20a 28a 36a

SB19 SB20 SB23 SB45 SB28 SB29 SB31 SB32 SB33 SB36
19b 20b 23b 45b 28b 29b 31b 32b 33b 36b
Fuse 33 on fuse holder
SB33 -
0.35
sw/br
0.5
rt/ge
0.5
rt/ws
1.5 *3
rt/ge
1.0
bl/vi
1.5
sw/vi
1.0
bl/ws
2.5
sw/ge
0.5
bl/ge
1.5 *
rt/ge B📷
Fuse 36 on fuse holder
SB36 -
147 44 31 127 53 71 41 111 30
26

15 16 17 18 19 20 21 22 23 24 25 26 27

604-045030122
28
B📷
 Open In New TabZoom/Print Fuse 45 on fuse holder
ws=white SB45 -
B📷
sw=black
T5zt -5-pin connector
ro =red
Positive connection 1 (30),
rt =red
A40 -in dash panel wiring
br =brown
harness
gn =green
Positive connection 2 (30),
bl =blue
A52 -in dash panel wiring
gr =grey
harness
li =purple
Positive connection 1 (30),
vi =purple B169 -
in interior wiring harness
ge =yellow
Positive connection 2 (30),
or =orange B170 -
in interior wiring harness
rs =pink
Positive connection (87), in
tk =turquoise B275 -
main wiring harness
blk=uninsulated
* -Up to June 2017
*2 -For left-hand drive models
*3 -From June 2017

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10/7/23, 18:51 1.6l Petrol Engine, CLSA, from May 2015 (Powertrain Management) - ALLDATA Repair

Polo Current Flow Diagram No. 45 / 4

Fuel pump relay, Engine/motor
control unit, Fuel supply relay
J623
28 20 150

T80a
/4
T80a
/26
T80a
/27
T80a
/11
J17 -Fuel pump relay 📷
DF
1.5 *2 1.5 *5 0.5 *3 0.5
Engine/motor control
J623 -
rt/ge rt/ge sw/bl sw/bl

unit 📷
J643 -Fuel supply relay 📷
B272 A38

0.5 *3
T5zx -5-pin connector
2.5 0.35
bl/ge sw/ge vi/gn
B169

1.5 *3
rt/ge
0.5 *
rt/ge
*2
1.5 *4
rt/ge
*2
0.5 *5
rt/ge
*3
1.5
rt/ge
0.5 *6
rt/ge
0.5 *3
sw/bl
0.5
sw/bl
0.5 *6
bl/vi T5zz -5-pin connector
T80a -80-pin connector, black
T5zz T5zz T5zx T5zx

30
/3
86
/1
30
/3
86
/1
Positive connection 2 (15a)
A38 -in dash panel wiring
162 25
12 36 3

87 85 87 85 146

harness
T5zz J643 T5zz T5zx J17 T5zx
/5 /2 /5 /2

*5
Connection 1 (87) in dash
A99 -
*3
1.5 *3 0.5 1.5 1.5 0.5 *6 0.5 *6

panel wiring harness

ws/rt bl/vi ws/rt ws/rt bl/vi bl/vi
0.5 *2 0.5 *3
bl/ge bl/ge

Positive connection 1 (30),

144 145
B169 -
in interior wiring harness
A99 40 B634

Positive connection (30), in

B272 -
main wiring harness
Positive connection 2 (87),
B634 -
in main wiring harness
29 30 31 32 33 34 35 36 37 38 39 40 41 42 * -For right-hand drive models
604-045040122

*2 -Up to June 2017

ws=white
*3 -Up to September 2018
sw=black
*4 -For left-hand drive models
ro =red
*5 -From June 2017
rt =red
*6 -From September 2018
br =brown
gn =green
bl =blue
gr =grey
li =purple
vi =purple
ge =yellow
or =orange
rs =pink
tk =turquoise
blk=uninsulated

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10/7/23, 18:51 1.6l Petrol Engine, CLSA, from May 2015 (Powertrain Management) - ALLDATA Repair

Polo Current Flow Diagram No. 45 / 5

Engine/motor control unit, Ignition
J623
coil 1 with output stage, Ignition coil
T80a
/9
T80a
/15
156
T80a
/2
T80a
/28
174
T80a
/57
T80a
/72
2 with output stage
Engine/motor control
0.5 0.5
J623 -
B111
rt/ws rt/ws
unit 📷
Ignition coil 1 with output
F2 F2

N70 -
stage
0.5
bl/gn
2.5 2.5 2.5 0.35 1.5 1.5 0.35 1.5
br br br gn/br sw/vi sw/vi gn/ge sw/vi
0.5
rt/ws Ignition coil 2 with output
N127 -
stage
T4a N70 T4a T4b N127 T4b
/4 /3 /4 /3
Q23 -Spark plug 1
Q24 -Spark plug 2
131
24 19 179

T4a -4-pin connector

T4a T4a T4b T4b
/1 /2 /1 /2
2.5
br

T4b -4-pin connector

T14a
/7
0.5 *
br
1.5
br
1.5
br/ge
T14a
/8
1.5
br
1.5
br/ge T14a -14-pin connector
T80a -80-pin connector, black
Earth point, on cylinder
91 91

15 -
head 📷
6.0 2.5 2.5 1.5
br br br/ge sw/vi
281 281

Earth connection 1, in fully

Q23 Q24 91 -electronic ignition system
wiring harness
23
*2 *2
640 15

43 44 45 46 47 48 49 50 51 52 53 54 55

604-045050122
56
Earth connection 2, in
 Open In New TabZoom/Print 131 -engine compartment wiring
ws=white
harness
sw=black
Earth point 1, in engine
ro =red 281 -
prewiring harness
rt =red
Earth point 2, left in engine
br =brown 640 -
compartment 📷
gn =green
Positive connection 1
bl =blue
B111 -(30a), in interior wiring
gr =grey
harness
li =purple
Positive connection (87a),
vi =purple
F2 -in fully electronic ignition
ge =yellow
wiring harness
or =orange
* -According to equipment
rs =pink
*2 -Earth supply via housing
tk =turquoise
blk=uninsulated

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10/7/23, 18:51 1.6l Petrol Engine, CLSA, from May 2015 (Powertrain Management) - ALLDATA Repair

Polo Current Flow Diagram No. 45 / 6

Accelerator pedal module,
Engine/motor control unit, Ignition
J623

T80a
/71
T80a
/76
T80a
/8
T80a
/33
T80a
/7
T80a
/19
T80a
/45
T80a
/6
coil 3 with output stage, Ignition coil
4 with output stage
GX2 -Accelerator pedal module
Accelerator position
F2

G79 -
0.35 1.5 0.35 1.5 0.35 0.35 0.35 0.35 0.35 0.35 sender
vi/sw sw/vi sw/ge sw/vi gr/ge br/gn bl ge/br br ge/gr

Accelerator position
G185 -
sender 2
T4c N291 T4c T4as N292 T4as
/4 /3 /4 /3
T6b T6b T6b T6b T6b T6b
Engine/motor control
J623 -
/2 /4 /3 /5 /6 /1

unit 📷
G79 G185

GX2

Ignition coil 3 with output

T4c T4c T4as T4as
/1 /2 /1 /2

N291 -
stage
1.5 1.5 1.5 1.5
Ignition coil 4 with output
N292 -
br br/ge br br/ge

stage
Q25 -Spark plug 3
91

281
Q26 -Spark plug 4
T4as -4-pin connector
Q25 Q26 T4c -4-pin connector
* *
T6b -6-pin connector
57 58 59 60 61 62 63 64 65 66 67 68 69 70 T80a -80-pin connector, black
604-045060122

Earth connection 1, in fully

ws=white
91 -electronic ignition system
sw=black
wiring harness
ro =red
Earth point 1, in engine
rt =red 281 -
prewiring harness
br =brown
Positive connection (87a),
gn =green
F2 -in fully electronic ignition
bl =blue
wiring harness
gr =grey
* -Earth supply via housing
li =purple
vi =purple
ge =yellow
or =orange
rs =pink
tk =turquoise
blk=uninsulated

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10/7/23, 18:51 1.6l Petrol Engine, CLSA, from May 2015 (Powertrain Management) - ALLDATA Repair

Polo Current Flow Diagram No. 45 / 7

Knock sensor 1, Engine/motor control
J623
unit, Injector, cylinder 1, Injector,
T80a
/79
T80a
/59
T80a
/73
T80a
/65
T80a
/14
T80a
/54
T80a
/63
T80a
/77
cylinder 2, Injector, cylinder 3, Injector,
cylinder 4
0.5
vi/rt
G61 -Knock sensor 1
T14a

Engine/motor control
/9

J623 -
1.0 1.0 1.0 1.0 0.5 0.5 0.35 0.35 0.35 unit 📷
vi vi/gn vi/rt vi/bl bl/vi br/bl sw bl gr

N30 -Injector, cylinder 1

N31 -Injector, cylinder 2
T2c
/2
T2d
/2
T2e
/2
T2fo
/2
T2i
/2
T2g
/2
T2g
/1 N32 -Injector, cylinder 3
N33 -Injector, cylinder 4
N30 N31 N32 N33 N80
T2c T2d T2e T2fo T2i G61
/1 /1 /1 /1 /1

Activated charcoal filter

N80 -
1.0 1.0 1.0 1.0 0.5
rt/sw rt/sw rt/sw rt/sw bl/sw

solenoid valve 1
D140 283 283
T2c -2-pin connector
T2d -2-pin connector
1.5
rt/sw
T2e -2-pin connector
T14a
/5
T14a
/6
T2fo -2-pin connector
T2g -2-pin connector
1.0
bl/ws
1.0
bl/vi T2i -2-pin connector
24 126 T14a -14-pin connector
71 72 73 74 75 76 77 78 79 80 81 82 83

604-045070122
84
T80a -80-pin connector, black
 Open In New TabZoom/Print Earth point 2, in engine
ws=white 283 -
prewiring harness
sw=black
Connection (injectors), in
ro =red D140 -
engine prewiring harness
rt =red
br =brown
gn =green
bl =blue
gr =grey
li =purple
vi =purple
ge =yellow
or =orange
rs =pink
tk =turquoise
blk=uninsulated

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10/7/23, 18:51 1.6l Petrol Engine, CLSA, from May 2015 (Powertrain Management) - ALLDATA Repair

Polo Current Flow Diagram No. 45 / 8

Engine speed sender, Charge
pressure sender, Hall sender, Coolant
J623

T80a
/74
T80a
/56
T80a
/62
T80a
/70
T80a
/60
T80a
/53
T80a
/67
T80a
/22
temperature sender, Engine/motor
1.0
control unit, Radiator fan
GX26 -Charge pressure sender
rt/gn

G28 -Engine speed sender

D174

0.35 0.35 0.35 0.35 0.5 0.5 0.5 0.5 0.5 0.5
*
*2
*
0.5 *3 G31 -Charge pressure sender
bl gn rt/gn br/ws sw ge gn ws br sw/vi sw/ge

G40 -Hall sender

Intake air temperature
G42 -
T2h
/1
T4ai
/2
T4ai
/3
T4ai
/4
T3c
/1
T3c
/2
T3d
/1
T3d
/2
T3d
/3
T4ab
/3 sender
J
G62 J G31
Coolant temperature
G42 P

T2h
/2
T4ai
/1
GX26 T3c
/3
G40 G28 VX57
G62 -
sender
*
0.35 0.35 0.5
br br br

Engine/motor control
J623 -
283 unit 📷
T2h -2-pin connector
T3c -3-pin connector
T3d -3-pin connector
T4ab -4-pin connector 📷
T4ai -4-pin connector
T80a -80-pin connector, black
85 86 87 88 89 90 91 92 93 94 95 96 97 98 VX57 -Radiator fan 📷
604-045080122

Earth point 2, in engine

ws=white 283 -
prewiring harness
sw=black
Connection 2 (5V) in
ro =red D174 -
engine prewiring harness
rt =red
see applicable current flow
br =brown * -
diagram for radiator fan
gn =green
*2 -Up to June 2015
bl =blue
*3 -From June 2015
gr =grey
li =purple
vi =purple
ge =yellow
or =orange
rs =pink
tk =turquoise
blk=uninsulated

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10/7/23, 18:51 1.6l Petrol Engine, CLSA, from May 2015 (Powertrain Management) - ALLDATA Repair

Polo Current Flow Diagram No. 45 / 9

Brake pedal switch, Throttle valve
J623
module, ABS control unit,
T80a
/80
T80a
/66
T80a
/75
T80a
/55
T80a
/68
T80a
/61
119 115
T80a
/23
T80a
/51
26 148
Engine/motor control unit
F -Brake light switch
0.5

D183
bl/ge
FX2 -Brake pedal switch
0.5 0.35 *
sw/rt sw/rt
F47 -Brake pedal switch
GX3 -Throttle valve module
0.35 0.35
or/br or/sw
0.5 0.5 0.35 0.35 0.35 0.35
D73 D73
br gn ws/gr gn/gr sw gr

Throttle valve drive for

0.5 0.5 0.5 0.5
G186 -
electric throttle
sw/rt sw/gn bl/ge sw/rt

T6c
/3
T6c
/5
T6c
/4
T6c
/2
T6c
/1
T38a
/14
T38a
/26
T38a
/30
T4e
/1
T4e
/4
T4e
/3 Throttle valve drive angle
G186 G187 HL HL

G187 -sender 1 for electric

M J338 2 F47 F 1
G188
GX3 T6c J104 FX2 T4e
/6 /2

throttle
Throttle valve drive angle
G188 -sender 2 for electric
throttle
J104 -ABS control unit 📷
0.5
br

J338 -Throttle valve module

Engine/motor control
J623 -
unit 📷
174 T4e -4-pin connector
99 100 101 102 103 104 105 106 107 108 109 110 111 112

604-045090122
T6c -6-pin connector
 Open In New TabZoom/Print T38a -38-pin connector, black
ws=white
T80a -80-pin connector, black
sw=black
Positive connection (54), in
ro =red
D73 -engine compartment wiring
rt =red
harness
br =brown
Connection 4 (87a), in
gn =green
D183 -engine compartment wiring
bl =blue
harness
gr =grey
* -Up to June 2015
li =purple
vi =purple
ge =yellow
or =orange
rs =pink
tk =turquoise
blk=uninsulated

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10/7/23, 18:51 1.6l Petrol Engine, CLSA, from May 2015 (Powertrain Management) - ALLDATA Repair

Polo Current Flow Diagram No. 45 / 10

Lambda probe 1 before catalytic
converter, Engine/motor control unit,
J623

149
T80a
/31
108 154 169
T80a
/32
107 153 170
T80a
/20
T80a
/46
T80a
/1 79 Lambda probe heater
Lambda probe 1 before
1.0
GX10 -
catalytic converter
bl/vi

0.5 *2 0.35 0.35 0.35 0.35 0.35 0.35 0.35 0.35

G39 -Lambda probe

E29 E29
sw/rt or/sw or/sw or/sw or/sw or/br or/br or/br or/br

B383 B390
Engine/motor control
J623 -
0.5 0.5 1.0 * 1.0 *2 1.0
D73

unit 📷
br gn br/ws br/rt bl/vi

T4g -4-pin connector 📷

T4g
/3
T4g
/4
T4g
/2
T4g
/1 T80a -80-pin connector, black
Z19 -Lambda probe heater
l G39 Z19

GX10

Connection 1 (powertrain
B383 -CAN bus, high), in main
wiring harness
Connection 1 (powertrain
B390 -CAN bus, low), in main
wiring harness
Positive connection (54), in
D73 -engine compartment wiring
harness
113 114 115 116 117 118 119 120 121 122 123 124 125 126 Connection, in engine
604-045100122 E29 -
wiring harness
ws=white
* -Up to June 2015
sw=black
*2 -From June 2015
ro =red
rt =red
br =brown
gn =green
bl =blue
gr =grey
li =purple
vi =purple
ge =yellow
or =orange
rs =pink
tk =turquoise
blk=uninsulated

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10/7/23, 18:51 1.6l Petrol Engine, CLSA, from May 2015 (Powertrain Management) - ALLDATA Repair

Polo Current Flow Diagram No. 45 / 11

Lambda probe 1 after catalytic
J623
converter, Engine/motor control unit,
T80a
/13
T80a
/21
T80a
/47
T80a
/29
Diagnostic connection
0.5
Lambda probe 1 after
GX7 -
gr/ws

catalytic converter
Lambda probe after
E29 A76

G130 -
1.0 *3 1.0 * 1.0 0.35
*
*4
0.35 *3 0.5
*
*2
0.35
*
*4
0.35 *3 0.5
*
*2
0.5 catalytic converter
bl/rt bl/vi br/ws gr/ws gr/ws br gr/rt gr/rt gn gr/ws
1.0
bl/vi Engine/motor control
J623 -
unit 📷
T4h
/1
T4h
/2
T4h
/3
T4h
/4
T16b
/7 T4h -4-pin connector 📷
T16b -16-pin connector
22 Z29 l G130

GX7 U31

T80a -80-pin connector, black

U31 -Diagnostic connection
Lambda probe 1 heater
Z29 -
after catalytic converter
Connection (K-diagnosis
A76 -wire), in dash panel wiring
harness
Connection, in engine
E29 -
wiring harness
127 128 129 130 131 132 133 134 135 136 137 138 139 140
For models with Euro 4
604-045110122
* -
 Open In New TabZoom/Print emission standard
ws=white
*2 -For left-hand drive models
sw=black
For models with Euro 5
ro =red *3 -
emission standard
rt =red
*4 -For right-hand drive models
br =brown
gn =green
bl =blue
gr =grey
li =purple
vi =purple
ge =yellow
or =orange
rs =pink
tk =turquoise
blk=uninsulated

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10/7/23, 18:51 1.6l Petrol Engine, CLSA, from May 2015 (Powertrain Management) - ALLDATA Repair

Polo Current Flow Diagram No. 45 / 12

Onboard supply control unit
J59 J519
J59 -X-contact relief relay 📷
T7zz T73b T73a T73a T73a T73a T73a T73b T73b Onboard supply control
J519 -
/2 /51 /52 /42 /43 /44 /55 /18 /19

0.5
sw/rt
0.5
sw/rt
0.35
sw/br unit 📷
T7zz -7-pin connector
T73a -73-pin connector, black
A33 A219

0.5 *7 0.5 *5 0.5 *2

73-pin connector,
0.5 *3 0.35 0.35
*6 bl/vi sw/rt sw/bl rt/ge *5 or/br or/sw
*2

T73b -
0.5 *4 0.5 0.35 * 0.5 *3
bl/ge bl/vi sw/rt rt/sw *
0.5
sw/rt
0.35
sw/br colourless
Connection (75), in dash
A33 -
panel wiring harness
12 32 33 38 16 112 113 37 7 6 120 116
Connection (S contact), in
A219 -
main wiring harness
* -Up to June 2015
*2 -Up to September 2018
For models with automatic
*3 -
gearbox
*4 -Up to June 2017
*5 -From June 2015
*6 -From June 2017
*7 -From September 2018
141 142 143 144 145 146 147 148 149 150 151 152 153 154

604-045120122

ws=white
sw=black
ro =red
rt =red
br =brown
gn =green
bl =blue
gr =grey
li =purple
vi =purple
ge =yellow
or =orange
rs =pink
tk =turquoise
blk=uninsulated

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10/7/23, 18:51 1.6l Petrol Engine, CLSA, from May 2015 (Powertrain Management) - ALLDATA Repair

Polo Current Flow Diagram No. 45 / 13

KX2 Fuel delivery unit, Ambient
J519
temperature sensor, Onboard supply
T73b
/39
T73b
/49
T73b
/50
control unit, Dash panel insert
34
T32a
/2
T32a
/1
T32a
/20
T32a
/19 G -Fuel gauge sender
GX1 -Fuel delivery unit
Fuel system pressurisation
G6 -
pump
0.5 0.5 0.5
rt/ws bl rt/sw
1.5 0.35 0.35 0.35 0.5
ws/rt bl vi/sw br/ws br/ge

Ambient temperature
G17 -
sensor
T5a
GX1
T5a T5a T2fm
Onboard supply control
J519 -
/1 /4 /3 /2

unit 📷
45 1 9
7 M G6 G G17
T5a T5a T2fm

KX2 -Dash panel insert 📷

/5 /2 /1

0.5 * 1.5 0.35 0.5

br br br/ws br/ws

T2fm -2-pin connector

269

T5a -5-pin connector

369 371

T32a -32-pin connector, blue

2.5

1.5
br
73-pin connector,
br
T73b -
366
colourless
Earth connection (sender
6.0
br 269 -earth) 1, in dash panel
606 wiring harness
155 156 157 158 159 160 161 162 163 164 165 166 167 168
Earth connection 1, in main
604-045130122
366 -
 Open In New TabZoom/Print wiring harness
ws=white
Earth connection 4, in main
sw=black 369 -
wiring harness
ro =red
Earth connection 6, in main
rt =red 371 -
wiring harness
br =brown
Earth point, under the
gn =green
606 -centre console near gear
bl =blue
stick 📷
gr =grey
For models with automatic
li =purple * -
gearbox
vi =purple
ge =yellow
or =orange
rs =pink
tk =turquoise
blk=uninsulated

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10/7/23, 18:51 1.6l Petrol Engine, CLSA, from May 2015 (Powertrain Management) - ALLDATA Repair

Polo Current Flow Diagram No. 45 / 14

KX2
Oil pressure switch, Brake fluid level
G1 K105 K43 J285 K2 K149 K273 K132 K3 K118

K
warning contact, Vehicle speed
J119
sender, Dash panel insert
T32a
/28
T32a
/29
T32a
/32
T32a
/31
T32a
/26
T32a
/27
T32a
/10 13
F1 -Oil pressure switch
Brake fluid level warning
0.5 F34 -
sw/ge
contact
0.35 0.35 0.5
B149
0.5 0.5 0.5 * 0.5 * G1 -Fuel gauge
or/sw or/br rt/ge br/vi gn/sw ws/sw sw/ge

G68 -Vehicle speed sender

0.5
sw/ge J119 -Multifunction indicator
T2cx
Control unit in dash panel
J285 -
/2

insert 📷
T14a T14a T14a
117 121 24 14 111 F34 /1 /10 /2

T2cx
/1

K -Dash panel insert

K2 -Alternator warning lamp
0.5
br
0.5
br
0.5
gn/sw
0.5 *
ws/bl
0.5 *
sw KX2 -Dash panel insert 📷
K3 -Oil pressure warning lamp
Coolant temperature
T1o T3au T3au K43 -
132
/1

F1
/2 /1
warning lamp (too cold)
2.5
T3au
/3
G68
*
K105 -Reserve fuel warning lamp
Brake system warning
br
0.5 *

K118 -
br
*2

48 49 lamp
169 170 171 172 173 174 175 176 177 178 179 180 181 182 Electronic power control
604-045140122 K132 -
fault lamp
ws=white
Engine electronics warning
sw=black K149 -
lamp
ro =red
Brake prompt warning
rt =red K273 -
lamp
br =brown
T1o -1-pin connector
gn =green
T2cx -2-pin connector
bl =blue
T3au -3-pin connector
gr =grey
T14a -14-pin connector
li =purple
T32a -32-pin connector, blue
vi =purple
Earth connection 3, in
ge =yellow
132 -engine compartment wiring
or =orange
harness
rs =pink
Positive connection 2
tk =turquoise
B149 -(15a), in interior wiring
blk=uninsulated
harness
* -According to equipment
*2 -Earth supply via housing

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