Wiring diagrams Volks Wagen1.4 l/103 kW Motronic, engine code BMY

Wiring diagrams Volks Wagen1.4 l/103 kW Motronic, engine code BMY from February 2006

Touran	Current Flow Diagram	No. 109 / 1

		Edition 10.2006

Notes:

For information concerning

t	Position of relays and fuses

t	Multi-pin connections

t	Control units and relays

t	Earth connections

→ List of Fitting Locations!

For information concerning

t	Fault Finding Programs

→ guided fault finding

Touran	Current Flow Diagram	No. 109 / 2

Wiring diagrams Volks Wagen1.4 l/103 kW Motronic, engine code BMY

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

Battery, alternator, starter, fuses

Battery

Starter

Alternator

Voltage regulator

J519

Onboard supply control unit

SA1

Fuse 1 on fuse holder A

SA5

Fuse 5 on fuse holder A

SC43

Fuse 43 on fuse holder C

2-pin connector

T2c

2-pin connector, near starter (in models without air conditioning system)

T4t

4-pin connector, near starter (in models with air conditioning system)

Earth strap, battery - body

Earth point, on gearbox

508

Screw connection (30), on electronics box

652

Earth point, engine and gearbox earth

D50

Positive connection (30), in engine compartment wiring harness

Models with 90 A/ 120 A alternator

Models with 140 A alternator

***

In models without optional equipment

****

In models with optional equipment

Touran	Current Flow Diagram	No. 109 / 3

Get access to all wiring diagrams of the car

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

Terminal 50 voltage supply relay, terminal 15 voltage supply relay 2, magnetic clutch for supercharger, sensor for current measurement, fuses

G582

Sensor for current measurement

J519

Onboard supply control unit

J681

Terminal 15 voltage supply relay 2

J682

Terminal 50 voltage supply relay

N421

Magnetic clutch for supercharger

SB20

Fuse 20 on fuse holder B

SB27

Fuse 27 on fuse holder B

SB49

Fuse 49 on fuse holder B

SC1

Fuse 1 on fuse holder C

SC2

Fuse 2 on fuse holder C

SC4

Fuse 4 on fuse holder C

SC6

Fuse 6 on fuse holder C

T40

40-pin connector

Earth point, lower part of left A-pillar

399

Earth connection 34, in main wiring harness

A20

Positive connection (15a), in dash panel wiring harness

A41

Positive connection (50), in dash panel wiring harness

A192

Positive connection 3 (15a), in dash panel wiring harness

B163

Positive connection 1 (15), in interior wiring harness

B277

Positive connection 1 (15a), in main wiring harness

B278

Positive connection 2 (15a), in main wiring harness

D113

Connection 11, in engine compartment wiring harness

-●-●-

models with winter driving program only

-●●-

only for models with flexible service interval display

Touran	Current Flow Diagram	No. 109 / 4

Get access to all wiring diagrams of the car

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

Fuel pump control unit, fuel gauge sender, fuel pump

Fuel gauge sender

Fuel pump

J519

Onboard supply control unit

J538

Fuel pump control unit, near fuel gauge sender

SB6

Fuse 6 on fuse holder B

SB15

Fuse 15 on fuse holder B

SB21

Fuse 21 on fuse holder B

SB24

Fuse 24 on fuse holder B

T5a

5-pin connector

T10q

10-pin connector

T40

40-pin connector

369

Earth connection 4, in main wiring harness

653

Earth point, left D-pillar

Touran	Current Flow Diagram	No. 109 / 5

Get access to all wiring diagrams of the car

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

Motronic current supply relay

J271

Motronic current supply relay, on electronics box, in left engine compartment (100)

J519

Onboard supply control unit

SB10

Fuse 10 on fuse holder B

SB13

Fuse 13 on fuse holder B

SB14

Fuse 14 on fuse holder B

SB22

Fuse 22 on fuse holder B

SB23

Fuse 23 on fuse holder B

T14a

14-pin connector, near battery

T40

40-pin connector

D78

Positive connection 1 (30a), in engine compartment wiring harness

D182

Connection 3 (87a), in engine compartment wiring harness

Touran	Current Flow Diagram	No. 109 / 6

Get access to all wiring diagrams of the car

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

Engine control unit

J519

Onboard supply control unit

J527

Steering column electronics control unit

J623

Engine control unit, in centre of plenum chamber

T14a

14-pin connector, near battery

T20d

20-pin connector

T94

94-pin connector

131

Earth connection 2, in engine compartment wiring harness

607

Earth point, on left in plenum chamber

D78

Positive connection 1 (30a), in engine compartment wiring harness

D182

Connection 3 (87a), in engine compartment wiring harness

D114

Connection 12, in engine compartment wiring harness

Touran	Current Flow Diagram	No. 109 / 7

Get access to all wiring diagrams of the car

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

Engine control unit, ignition coils with output stage, spark plugs

J519

Onboard supply control unit

J623

Engine control unit, in centre of plenum chamber

N70

Ignition coil 1 with output stage

N127

Ignition coil 2 with output stage

N291

Ignition coil 3 with output stage

N292

Ignition coil 4 with output stage

Spark plug connector

Spark plugs

T14a

14-pin connector, near battery

T60

60-pin connector

Earth point, on cylinder head

Earth connection 1, in engine compartment wiring harness

132

Earth connection 3, in engine compartment wiring harness

281

Earth connection 1, in engine harness

642

Earth point, electronically controlled fan

D206

Connection 4 (87a), in engine wiring harness

Touran	Current Flow Diagram	No. 109 / 8

Get access to all wiring diagrams of the car

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

Engine control unit, throttle valve drive, intake manifold flap potentiometer, fuel pressure sender

G186

Throttle valve drive, electric throttle

G187

Throttle valve drives angle sender 1, electric throttle

G188

Throttle valve drives angle sender 2, electric throttle

G247

Fuel pressure sender

G336

Intake manifold flap potentiometer

J338

Throttle valve module

J519

Onboard supply control unit

J623

Engine control unit, in centre of plenum chamber

T6x

6-pin connector

T60

60-pin connector

220

Earth connection (sender earth), in engine wiring harness

D101

Connection 1, in engine compartment wiring harness

Touran	Current Flow Diagram	No. 109 / 9

Get access to all wiring diagrams of the car

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

Engine control unit, Hall sender, regulating flap control unit, regulating flap position control motor, regulating flap potentiometer, intake air temperature sender, intake manifold pressure sender

G40

Hall sender

G42

Intake air temperature sender

G71

Intake manifold pressure sender

G584

Regulating flap potentiometer

J519

Onboard supply control unit

J623

Engine control unit, in centre of plenum chamber

J808

Regulating flap control unit

T3b

3-pin connector, on front of engine

T5z

5-pin connector

T14a

14-pin connector, near battery

T60

60-pin connector

T94

94-pin connector

V380

Regulating flap position control motor

D101

Connection 1, in engine compartment wiring harness

Touran	Current Flow Diagram	No. 109 / 10

Get access to all wiring diagrams of the car

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

Engine control unit, intake air temperature sender 3, intake manifold pressure sender 3, charge air pressure sender, intake air temperature sender 2, engine speed sender, coolant temperature sender

G28

Engine speed sender

G31

Charge air pressure sender

G62

Coolant temperature sender

G299

Intake air temperature sender 2

G520

Intake air temperature sender 3

G583

Intake manifold pressure sender 3

J519

Onboard supply control unit

J623

Engine control unit, in centre of plenum chamber

T60

60-pin connector

220

Earth connection (sender earth), in engine wiring harness

D122

Connection 20, in engine compartment wiring harness

D123

Connection 21, in engine compartment wiring harness

Touran	Current Flow Diagram	No. 109 / 11

Get access to all wiring diagrams of the car

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

Engine control unit, knock sensor, injectors

G61

Knock sensor 1

J519

Onboard supply control unit

J623

Engine control unit, in centre of plenum chamber

N30

Injector, cylinder 1

N31

Injector, cylinder 2

N32

Injector, cylinder 3

N33

Injector, cylinder 4

T60

60-pin connector

D123

Connection 21, in engine compartment wiring harness

Touran	Current Flow Diagram	No. 109 / 12

Get access to all wiring diagrams of the car

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

Engine control unit, additional coolant pump relay, coolant circulation pump, charge pressure control solenoid valve, turbocharger air recirculation valve

J496

Additional coolant pump relay

J519

Onboard supply control unit

J623

Engine control unit, in centre of plenum chamber

N75

Charge pressure control solenoid valve

N249

Turbocharger air recirculation valve

T4x

4-pin connector, on lower left of radiator fan

T14a

14-pin connector, near battery

T60

60-pin connector

T94

94-pin connector

V50

Coolant circulation pump

D180

Connection (87a), in engine compartment wiring harness

D181

Connection 2 (87a), in engine compartment wiring harness

***

Radiator fan connection

Touran	Current Flow Diagram	No. 109 / 13

Get access to all wiring diagrams of the car

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

Intake manifold flap -inlet camshaft control -activated charcoal filter system and fuel pressure valve, radiator outlet coolant temperature sender, brake servo pressure sensor

G83

Radiator outlet coolant temperature sender

G294

Brake servo pressure sensor

J519

Onboard supply control unit

J623

Engine control unit, in centre of plenum chamber

N80

Activated charcoal filter system solenoid valve 1

N205

Inlet camshaft control valve 1

N276

Fuel pressure regulating valve

N316

Intake manifold flap valve

T4aj

4-pin connector

T14a

14-pin connector, near battery

T60

60-pin connector

T94

94-pin connector

327

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

D106

Connection 4, in engine compartment wiring harness

D196

Connection 2 (87a), in engine wiring harness

D207

Connection 7 (87a), in engine compartment wiring harness

Touran	Current Flow Diagram	No. 109 / 14

Get access to all wiring diagrams of the car

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

Engine control unit, lambda probe, accelerator position sender

G39

Lambda probe

G79

Accelerator position sender

G185

Accelerator position sender 2

J519

Onboard supply control unit

J623

Engine control unit, in centre of plenum chamber

T4be

4-pin connector, in front engine compartment

T6h

6-pin connector

T94

94-pin connector

Z19

Lambda probe heater

D106

Connection 4, in engine compartment wiring harness

D124

Connection 22, in engine compartment wiring harness

Touran	Current Flow Diagram	No. 109 / 15

Get access to all wiring diagrams of the car

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

Engine control unit, lambda probe after catalytic converter, brake light switch, brake pedal switch

Brake light switch

F47

Brake pedal switch

G130

Lambda probe after catalytic converter

J519

Onboard supply control unit

J623

Engine control unit, in centre of plenum chamber

T4bc

4-pin connector

T4v

4-pin connector, near catalytic converter

T94

94-pin connector

Z29

Lambda probe 1 heater after catalytic converter

372

Earth connection 7, in main wiring harness

382

Earth connection 17, in main wiring harness

B131

Connection (54), in interior wiring harness

D112

Connection 10, in engine compartment wiring harness

Touran	Current Flow Diagram	No. 109 / 16

Get access to all wiring diagrams of the car

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

Engine control unit, clutch position sender

G476

Clutch position sender

J104

ABS control unit

J519

Onboard supply control unit

J623

Engine control unit, in centre of plenum chamber

T5m

5-pin connector

T26a

26-pin connector, on ABS control unit with TCS

T47

47-pin connector, on ABS control unit with EDL/ESP

T47b

47-pin connector, on ABS control unit with ESP HBV (hill start assistant)

T94

94-pin connector

Earth point, lower part of left A-pillar

366

Earth connection 1, in main wiring harness

376

Earth connection 11, in main wiring harness

377

Earth connection 12, in main wiring harness

381

Earth connection 16, in main wiring harness

655

Earth point, on left headlight

B383

Connection 1 (drive train CAN bus, high), in main wiring harness

B390

Connection 1 (drive train CAN bus, low), in main wiring harness

Touran	Current Flow Diagram	No. 109 / 17

Get access to all wiring diagrams of the car

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

Dash panel insert, data bus diagnostic interface, self-diagnosis connection, electric power control fault lamp, multifunction display

J285

Control unit in dash panel insert

J519

Onboard supply control unit

J533

Data bus diagnostic interface, on left under dash panel, above relay carrier

J119

Multifunction display

K132

Electric power control fault lamp

T16

16-pin connector, under dash panel left behind storage compartment, self-diagnosis connection

T20

20-pin connector

T36

36-pin connector

Earth point, lower part of left A-pillar

367

Earth connection 2, in main wiring harness

368

Earth connection 3, in main wiring harness

605

Earth point, on top end of steering column

A204

Connection (dash panel insert CAN bus, high), in dash panel wiring harness

A205

Connection (dash panel insert CAN bus, low), in dash panel wiring harness

B383

Connection 1 (drive train CAN bus, high), in main wiring harness

B390

Connection 1 (drive train CAN bus, low), in main wiring harness

B397

Connection 1 (convenience CAN bus, high), in main wiring harness

B406

Connection 1 (convenience CAN bus, low), in main wiring harness

-●●-

only for models with flexible service interval display

Touran	Current Flow Diagram	No. 109 / 18

Get access to all wiring diagrams of the car

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

Oil level and oil temperature sender, exhaust emissions warning lamp, fuel gauge sender, coolant temperature gauge, oil pressure switch, oil pressure warning lamp

Oil pressure switch

Fuel gauge

Coolant temperature gauge

G32

Coolant shortage indicator sender

G266

Oil level and oil temperature sender

Warning buzzer

J285

Control unit in dash panel insert

J519

Onboard supply control unit

Oil pressure warning lamp

K31

Cruise control system warning lamp

K38

Oil level warning lamp (models with flexible service interval display only)

K83

Exhaust emissions warning lamp

K105

Reserve fuel warning lamp

T6z

6-pin connector, near left headlight

T14a

14-pin connector, near battery

T36

36-pin connector

410

Earth connection 1 (sender earth), in main wiring harness

-●●-

only for models with flexible service interval display

Wiring diagrams Volks Wagen1.4 l/103 kW Motronic, engine code BMY

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