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Golf/Bora Current Flow Diagram No. 118 / 1

Edition 01.2006

2.8 l/150 kW Motronic, engine code BDE

from November 2001
Notes:
For information concerning

 Position of relays and fuses

 Multi-pin connections
 Control units and relays
 Earth connections

→ List of Fitting Locations!

For information concerning

 Fault Finding Programs

→ guided fault finding

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Golf/Bora Current Flow Diagram No. 118 / 2

Alternator, starter
A - Battery
B - Starter
C - Alternator
C1 - Voltage regulator
D - Ignition/starter switch
J59 - X-contact relief relay
S162 - Fuse 1 (30) in fuse holder on battery
S163 - Fuse 2 (30) in fuse holder on battery
S176 - Fuse 4 (30) in fuse holder on battery
S177 - Fuse 5 (30) in fuse holder on battery
T2e - 2-pin connector, near starter (in models without air
conditioning system)
T4 - 4-pin connector, near starter (in models with air
conditioning system)
T6 - 6-pin connector, brown, in connector protective
housing, on left in plenum chamber
- Screw connection 1 (30), on relay plate
500

- Screw connection (30a), on relay plate

502

ws = white
sw = black
ro = red
br = brown
gn = green
bl = blue
gr = grey
li = purple
ge = yellow
or = orange
rs = pink
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Golf/Bora Current Flow Diagram No. 118 / 3

Motronic current supply relay
D - Ignition/starter switch
J271 - Motronic current supply relay, in protective housing
on left in engine compartment (control number 428)
S10 - Fuse 10 in fuse holder
S229 - Fuse 29 in fuse holder
T6 - 6-pin connector, brown, in connector protective
housing, on left in plenum chamber
- Screw connection 2 (30), on relay plate
501

- Positive connection (15), in dash panel wiring

A2
harness
- Positive connection (30), in dash panel wiring
A32
harness
- Positive connection 4 (30), in dash panel wiring
A98
harness
- Positive connection 2 (15), in dash panel wiring
A104
harness
- Positive connection 1 (30a), in engine compartment
D78
wiring harness
* - from May 2003
*** - up to April 2003
ws = white
sw = black
ro = red
br = brown
gn = green
bl = blue
gr = grey
li = purple
ge = yellow
or = orange
rs = pink
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Golf/Bora Current Flow Diagram No. 118 / 4

Motronic control unit, ignition system
J220 - Motronic control unit, in centre plenum chamber
N70 - Ignition coil 1 with output stage
N127 - Ignition coil 2 with output stage
N291 - Ignition coil 3 with output stage
P - Spark plug connector
Q - Spark plugs
T2 - 2-pin connector, in left engine compartment
T4a - 4-pin connector
T4b - 4-pin connector
T4c - 4-pin connector
T121 - 121-pin connector
- Earth point on engine block
18

- Earth connection 1, in engine compartment wiring

85
harness
- Earth connection 1, in engine harness
281

- Positive connection 1 (30a), in engine compartment

D78
wiring harness
- Connection (87), in engine wiring harness
D173
ws = white
sw = black - Connection 2 (87a), in engine compartment wiring
D181
ro = red harness
br = brown
gn = green
bl = blue
gr = grey
li = purple
ge = yellow
or = orange
rs = pink
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Golf/Bora Current Flow Diagram No. 118 / 5

Motronic control unit, ignition system, inlet camshaft
control valve
J220 - Motronic control unit, in centre plenum chamber
N205 - Inlet camshaft control valve 1
N292 - Ignition coil 4 with output stage
N318 - Exhaust camshaft control valve 1
N323 - Ignition coil 5 with output stage
N324 - Ignition coil 6 with output stage
P - Spark plug connector
Q - Spark plugs
T4d - 4-pin connector
T4e - 4-pin connector
T4f - 4-pin connector
T121 - 121-pin connector
- Earth connection 1, in engine harness
281

ws = white
sw = black
ro = red
br = brown
gn = green
bl = blue
gr = grey
li = purple
ge = yellow
or = orange
rs = pink
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Golf/Bora Current Flow Diagram No. 118 / 6

Motronic control unit, throttle valve module, variable
intake manifold change-over valve, continued coolant
circulation pump, heater element for crankcase breather
G186 - Throttle valve drive, electric throttle
G187 - Throttle valve drives angle sender 1, electric
throttle
G188 - Throttle valve drives angle sender 2, electric
throttle
J220 - Motronic control unit, in centre plenum chamber
J293 - Radiator fan control unit
J338 - Throttle valve module
N79 - Heater element for crankcase breather
N156 - Variable intake manifold change-over valve
T6a - 6-pin connector
T10 - 10-pin connector, orange, in connector protective
housing, on left in plenum chamber
T14 - 14-pin connector
T14a - 14-pin connector, near battery
T121 - 121-pin connector
V51 - Continued coolant circulation pump
- Earth connection 1, in engine compartment wiring
85
harness
- Earth point, in centre of plenum chamber
ws = white 608
sw = black
ro = red - Connection (87), in engine wiring harness
br = brown D173
gn = green
bl = blue ** - connection air conditioning system
gr = grey *** - Radiator fan control unit connection
li = purple
ge = yellow
or = orange
rs = pink
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Golf/Bora Current Flow Diagram No. 118 / 7

Motronic control unit, engine speed sender, Hall sender,
coolant temperature sender
G2 - Coolant temperature display sender
G28 - Engine speed sender
G40 - Hall sender
G62 - Coolant temperature sender
G163 - Hall sender 2
J220 - Motronic control unit, in centre plenum chamber
T3 - 3-pin connector, near intake manifold
T14a - 14-pin connector, near battery
T121 - 121-pin connector
- Earth connection (sender earth), in engine wiring
220
harness
- Connection 1, in engine compartment wiring
D101
harness

ws = white
sw = black
ro = red
br = brown
gn = green
bl = blue
gr = grey
li = purple
ge = yellow
or = orange
rs = pink
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Golf/Bora Current Flow Diagram No. 118 / 8

Motronic control unit, knock sensors
G61 - Knock sensor 1
G66 - Knock sensor 2
J220 - Motronic control unit, in centre plenum chamber
T3a - 3-pin connector, in rear engine compartment
T121 - 121-pin connector
- Earth connection 2, in engine compartment wiring
131
harness
- Earth connection (sender earth), in Motronic wiring
139
harness
- Earth connection (sender earth), in engine wiring
220
harness
- Earth point, in centre of plenum chamber
608

ws = white
sw = black
ro = red
br = brown
gn = green
bl = blue
gr = grey
li = purple
ge = yellow
or = orange
rs = pink
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Golf/Bora Current Flow Diagram No. 118 / 9

Motronic control unit, injectors
J220 - Motronic control unit, in centre plenum chamber
N30 - Injector, cylinder 1
N31 - Injector, cylinder 2
N32 - Injector, cylinder 3
N33 - Injector, cylinder 4
N83 - Injector, cylinder 5
N84 - Injector, cylinder 6
T14a - 14-pin connector, near battery
T121 - 121-pin connector
- Connection (injectors), in engine compartment
D95
wiring harness

ws = white
sw = black
ro = red
br = brown
gn = green
bl = blue
gr = grey
li = purple
ge = yellow
or = orange
rs = pink
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Golf/Bora Current Flow Diagram No. 118 / 10

Motronic control unit, active charcoal filter system
solenoid valve
J104 - ABS control unit with EDL
J220 - Motronic control unit, in centre plenum chamber
N80 - Activated charcoal filter system solenoid valve 1
T10w - 10-pin connector, white, in connector protective
housing, on left in plenum chamber
T25 - 25-pin connector, on ABS/ABS control unit with
EDL
T47a - 47-pin connector, on ABS/ABS control unit with
EDL/ ASR/ ESP
T121 - 121-pin connector
- Earth point, on right in plenum chamber
609

- Connection (high bus), in dash panel wiring

A121
harness
- Connection (low bus), in dash panel wiring harness
A122

- Positive connection (87a), in Motronic wiring

E7
harness

ws = white
sw = black
ro = red
br = brown
gn = green
bl = blue
gr = grey
li = purple
ge = yellow
or = orange
rs = pink
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Golf/Bora Current Flow Diagram No. 118 / 11

Motronic control unit, accelerator position sender,
lambda probe
G39 - Lambda probe
G79 - Accelerator position sender
G185 - Accelerator position sender 2
J220 - Motronic control unit, in centre plenum chamber
T6b - 6-pin connector
T6c - 6-pin connector, near catalytic converter
T10h - 10-pin connector, blue, in connector protective
housing, on left in plenum chamber
T121 - 121-pin connector

ws = white
sw = black
ro = red
br = brown
gn = green
bl = blue
gr = grey
li = purple
ge = yellow
or = orange
rs = pink
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Golf/Bora Current Flow Diagram No. 118 / 12

Motronic control unit, lambda probe after catalytic
converter, lambda probe 2
G108 - Lambda probe 2
G130 - Lambda probe after catalytic converter
J220 - Motronic control unit, in centre plenum chamber
T4g - 4-pin connector, near catalytic converter
T6d - 6-pin connector, near catalytic converter
T121 - 121-pin connector

ws = white
sw = black
ro = red
br = brown
gn = green
bl = blue
gr = grey
li = purple
ge = yellow
or = orange
rs = pink
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Golf/Bora Current Flow Diagram No. 118 / 13

Motronic control unit, cruise control system switch,
lambda probe 2 after catalytic converter
E45 - Cruise control system switch**
E227 - Cruise control system (CCS) SET button**
G131 - Lambda probe 2 after catalytic converter
J220 - Motronic control unit, in centre plenum chamber
T4h - 4-pin connector, near catalytic converter
T10e - 10-pin connector, black, in connector protective
housing, on left in plenum chamber
T10s - 10-pin connector, next to steering column
T121 - 121-pin connector
- Connection (15a), in dash panel wiring harness
A20

- Positive connection (87a), in Motronic wiring

E7
harness
- Connection (87a), in engine wiring harness
E30

** - only models with GND, models with multifunction

display Current Flow Diagram multifunction
steering wheel for cruise control system and radio

ws = white
sw = black
ro = red
br = brown
gn = green
bl = blue
gr = grey
li = purple
ge = yellow
or = orange
rs = pink
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Golf/Bora Current Flow Diagram No. 118 / 14

Motronic control unit, secondary air pump motor,
secondary air inlet valve, clutch pedal switch, brake
pedal switch, brake light switch
F - Brake light switch
F36 - Clutch pedal switch
F47 - Brake pedal switch
J220 - Motronic control unit, in centre plenum chamber
J299 - Secondary air pump relay, in protective housing on
left in engine compartment (control number 100)
N112 - Secondary air inlet valve
S13 - Fuse 13 in fuse holder
T4q - 4-pin connector
T10e - 10-pin connector, black, in connector protective
housing, on left in plenum chamber
T10w - 10-pin connector, white, in connector protective
housing, on left in plenum chamber
T121 - 121-pin connector
V101 - Secondary air pump motor
- Connection (54), in dash panel wiring harness
A18

- Connection (15a), in dash panel wiring harness

A20

ws = white
sw = black
ro = red
br = brown
gn = green
bl = blue
gr = grey
li = purple
ge = yellow
or = orange
rs = pink
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Golf/Bora Current Flow Diagram No. 118 / 15

Motronic control unit, air mass meter, fuel pump relay
G70 - Air mass meter
J17 - Fuel pump relay
J220 - Motronic control unit, in centre plenum chamber
J234 - Airbag control unit, behind the lower console
J255 - Climatronic control unit
T6 - 6-pin connector, brown, in connector protective
housing, on left in plenum chamber
T10 - 10-pin connector, orange, in connector protective
housing, on left in plenum chamber
T16b - 16-pin connector
T17a - 17-pin connector, behind centre dash panel
T75 - 75-pin connector
T121 - 121-pin connector
- Connection (speed signal), in dash panel wiring
A27
harness
- Connection (crash signal), in dash panel wiring
A125
harness
-●●- - only models with Climatronic

ws = white
sw = black
ro = red
br = brown
gn = green
bl = blue
gr = grey
li = purple
ge = yellow
or = orange
rs = pink
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Golf/Bora Current Flow Diagram No. 118 / 16

Fuel pump, fuel gauge sender, coolant shortage
indicator sender
G - Fuel gauge sender
G6 - Fuel pump
G32 - Coolant shortage indicator sender
G169 - Fuel gauge sender 2
S228 - Fuse 28 in fuse holder
S232 - Fuse 32 in fuse holder
S234 - Fuse 34 in fuse holder
S243 - Fuse 43 in fuse holder
T6 - 6-pin connector, brown, in connector protective
housing, on left in plenum chamber
T14a - 14-pin connector, near battery
- Earth point, next to steering column
42

- Earth point, on steering column

49

- Earth connection 2, in dash panel wiring harness

135

- Earth connection (sender earth) 1, in dash panel

269
wiring harness
- Screw connection (87F), on relay plate
504
ws = white
sw = black
ro = red - Connection 1 (87), in dash panel wiring harness
A99
br = brown
gn = green
bl = blue - Connection 2 (87), in dash panel wiring harness
A100
gr = grey
li = purple
ge = yellow - Connection 3 (87), in dash panel wiring harness
A101
or = orange
rs = pink
- Connection (87a), in engine wiring harness
E30

* - only models with multifunction display

*** - models with multifunction display and without
Climatronic only
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Golf/Bora Current Flow Diagram No. 118 / 17

Dash panel insert, oil pressure warning, oil level/oil
temperature sender, speedometer sender
F1 - Oil pressure switch
G22 - Speedometer sender, on gearbox
G266 - Oil level and oil temperature sender**
J285 - Control unit in dash panel insert
K3 - Oil pressure warning lamp
K38 - Oil level warning lamp**
S5 - Fuse 5 in fuse holder
S7 - Fuse 7 in fuse holder
T14a - 14-pin connector, near battery
T32 - 32-pin connector, blue
T32a - 32-pin connector, green
- Positive connection 1 (15), in interior wiring
B163
harness
** - only flexible service interval display

ws = white
sw = black
ro = red
br = brown
gn = green
bl = blue
gr = grey
li = purple
ge = yellow
or = orange
rs = pink
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Golf/Bora Current Flow Diagram No. 118 / 18

Dash panel insert, coolant temperature/coolant shortage
indicator, fuel gauge, rev. counter, speedometer,
alternator warning lamp
G1 - Fuel gauge
G3 - Coolant temperature gauge
G5 - Rev. counter
G21 - Speedometer
H3 - Warning buzzer
J285 - Control unit in dash panel insert
K2 - Alternator warning lamp
K28 - Coolant temperature and coolant shortage warning
lamp
K105 - Reserve fuel warning lamp
T32 - 32-pin connector, blue
- Connection (door contact switch), in dash panel
A13
wiring harness
- Connection (speed signal), in dash panel wiring
A27
harness

ws = white
sw = black
ro = red
br = brown
gn = green
bl = blue
gr = grey
li = purple
ge = yellow
or = orange
rs = pink
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Golf/Bora Current Flow Diagram No. 118 / 19

Dash panel insert, electronic power control fault lamp,
cruise control system warning lamp, multifunction
display, ambient temperature indicator, exhaust
emissions warning lamp, self-diagnosis connection
E86 - Multifunction display call-up button
E109 - Multifunction display memory switch
G17 - Ambient temperature sensor
J119 - Multifunction display
J255 - Climatronic control unit
J285 - Control unit in dash panel insert
J533 - Data bus diagnostic interface, in dash panel insert
K31 - Cruise control system warning lamp
K83 - Exhaust emissions warning lamp
K132 - Electric power control fault lamp
T6e - 6-pin connector
T12a - 12-pin connector, behind centre dash panel
T16 - 16-pin connector, in centre dash panel, self-
diagnosis connection
T20 - 20-pin connector
T32 - 32-pin connector, blue
T32a - 32-pin connector, green
- Connection (diagnosis wire K), in dash panel wiring
A76
harness
ws = white
sw = black * - only models with multifunction display
ro = red *** - models with multifunction display and without
br = brown Climatronic only
gn = green
bl = blue
-●- - only models with Climatronic
gr = grey
li = purple
ge = yellow
or = orange
rs = pink