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Golf/Bora Current Flow Diagram No. 110 / 1

Edition 01.2006

1.8 l/110 kW Motronic, engine code AUM

from May 2002
1.8 l/132 kW Motronic, engine code AUQ
from May 2002
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. 110 / 2

Alternator, starter
A - Battery
B - Starter
C - Alternator
C1 - Voltage regulator
D - Ignition/starter switch
J59 - X-contact relief relay
J226 - Starter inhibitor and reversing light relay, on the 13 position
additional relay carrier
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 * - only models with manual gearbox
ro = red --- - models with automatic gearbox only
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. 110 / 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)
S229 - Fuse 29 in fuse holder
S231 - Fuse 31 in fuse holder
S237 - Fuse 37 in fuse holder
T2 - 2-pin connector, in left engine compartment
T6 - 6-pin connector, brown, in connector protective housing, on
left in plenum chamber
T14a - 14-pin connector, near battery
- Screw connection 2 (30), on relay plate
501

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

A2

- Positive connection (30), in dash panel wiring harness

A32

- Positive connection 4 (30), in dash panel wiring harness

A98

- Positive connection 2 (15), in dash panel wiring harness

A104

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

ws = white D78
harness
sw = black
ro = red * - from May 2003
br = brown *** - up to April 2003
gn = green
bl = blue --- - models with automatic gearbox only
gr = grey
li = purple
ge = yellow
or = orange
rs = pink
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Golf/Bora Current Flow Diagram No. 110 / 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 2 with output stage
N292 - Ignition coil 4 with output stage
P - Spark plug connector
Q - Spark plugs
T4a - 4-pin connector
T4b - 4-pin connector
T4c - 4-pin connector
T4d - 4-pin connector
T6 - 6-pin connector, brown, in connector protective housing, on
left in plenum chamber
T121 - 121-pin connector
- Earth point, on cylinder head
15

- Earth connection 1, in engine compartment wiring harness

85

- Earth connection 1, in engine harness

281

- Positive connection 2 (15), in dash panel wiring harness

A104
ws = white
sw = black
ro = red - Positive connection 1 (30a), in engine compartment wiring
D78
br = brown harness
gn = green
bl = blue - Connection (87), in engine wiring harness
D173
gr = grey
li = purple
ge = yellow
or = orange
rs = pink
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Golf/Bora Current Flow Diagram No. 110 / 5

Motronic control unit
J104 - ABS/ABS control unit with EDL
J217 - Automatic gearbox control unit
J220 - Motronic control unit, in centre plenum chamber
T10w - 10-pin connector, white, in connector protective housing, on
left in plenum chamber
T14a - 14-pin connector, near battery
T47a - 47-pin connector, on ABS/ABS control unit with EDL/ ASR/
ESP
T68 - 68-pin connector, models with 4-speed automatic gearbox
(AG4)
T68a - 68-pin connector, models with 5-speed automatic gearbox
(AG5)
T121 - 121-pin connector
- Earth connection -1-, in engine compartment wiring harness
85

- Earth point, in centre of plenum chamber

608

- Earth point, on right in plenum chamber

609

- Connection (high bus), in dash panel wiring harness

A121

ws = white - Connection (low bus), in dash panel wiring harness

sw = black A122
ro = red
br = brown * - models with manual gearbox/automatic gearbox (AG4) only
gn = green --- - models with automatic gearbox only
bl = blue
gr = grey
li = purple
ge = yellow
or = orange
rs = pink
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Golf/Bora Current Flow Diagram No. 110 / 6

Motronic control unit, coolant temperature sender, Hall sender,
charge air pressure sender, charge pressure control solenoid
valve, turbocharger air recirculation valve, inlet camshaft control
valve 1
G2 - Coolant temperature sender
G31 - Charge air pressure sender
G62 - Coolant temperature sender
G163 - Hall sender
J220 - Motronic control unit, in centre plenum chamber
N75 - Charge pressure control solenoid valve
N205 - Inlet camshaft control valve 1
N249 - Turbocharger air recirculation valve
T4g - 4-pin connector
T10 - 10-pin connector, orange, in connector protective housing, on
left in plenum chamber
T14a - 14-pin connector, near battery
T121 - 121-pin connector
- Earth connection (sender earth), in engine wiring harness
220

- Connection 1, in engine wiring harness

D101

- Connection 2, in engine wiring harness

D102
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. 110 / 7

Motronic control unit, throttle valve module, throttle valve drives
angle sender (electric throttle), knock sensor 1, intake air
temperature sender
G42 - Intake air temperature sender
G61 - Knock sensor 1
G186 - Throttle valve drive (electric power control)
G187 - Throttle valve drive angle sender 1 (electric power control)
G188 - Throttle valve drive angle sender 2 (electric power control)
J220 - Motronic control unit, in centre plenum chamber
J338 - Throttle valve module
T6a - 6-pin connector
T121 - 121-pin connector
- Earth connection (sender earth), in Motronic wiring harness
139

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. 110 / 8

Motronic control unit, engine speed sender, knock sensor 2,
power assisted steering pressure switch
F88 - Power assisted steering pressure switch
G28 - Engine speed sender
G66 - Knock sensor 2
J217 - Automatic gearbox control unit
J220 - Motronic control unit, in centre plenum chamber
T3f - 3-pin connector, in front engine compartment
T10 - 10-pin connector, orange, in connector protective housing, on
left in plenum chamber
T68 - 68-pin connector
T121 - 121-pin connector
- Earth connection -2-, in engine compartment wiring harness
131

- Earth connection (sender earth), in Motronic wiring harness

139

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

220

- Earth point, in centre of plenum chamber

608

* - only models with manual gearbox

** - connection air conditioning system
ws = white --- - models with automatic gearbox only
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. 110 / 9

Motronic control unit, injectors, lambda probe after catalytic
converter
G130 - Lambda probe after catalytic converter
J220 - Motronic control unit, in centre plenum chamber
N30 - Injector, cylinder 1
N31 - Injector, cylinder 2
N32 - Injector, cylinder 3
N33 - Injector, cylinder 4
S232 - Fuse 32 in fuse holder
T4f - 4-pin connector, near catalytic converter
T14a - 14-pin connector, near battery
T121 - 121-pin connector
- Connection 3 (87), in dash panel wiring harness
A101

- Connection (injectors), in engine compartment wiring harness

D95

- Connection (87a), in engine wiring harness

E30

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. 110 / 10

Motronic control unit, accelerator position sender, lambda probe,
active charcoal filter system solenoid valve
G39 - Lambda probe
G79 - Accelerator position sender
G185 - Accelerator position sender -2-
J220 - Motronic control unit, in centre plenum chamber
N80 - Activated charcoal filter system solenoid valve 1
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. 110 / 11

Simos control unit, brake servo control unit, vacuum pump for
brakes
J220 - Motronic control unit, in centre plenum chamber
J542 - Brake servo control unit
S283 - Brake vacuum pump fuse, above the relay plate
T6k - 6-pin connector
T10 - 10-pin connector, orange, in connector protective housing, on
left in plenum chamber
T10g - 10-pin connector, grey, in connector protective housing, on
left in plenum chamber
T121 - 121-pin connector
V192 - Vacuum pump for brakes
- Positive connection 3 (15a), in interior wiring harness
B157

- Positive connection (15a), in automatic gearbox wiring

U8
harness
* - from May 2003
*** - up to April 2003
--- - models with automatic gearbox only

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. 110 / 12

Motronic control unit, secondary air pump relay, secondary air
pump motor, secondary air inlet valve, brake light switch, cruise
control system brake pedal switch
F - Brake light switch
F47 - Cruise control system 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
T2f - 2-pin connector, in left engine compartment
T10e - 10-pin connector, black, 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

- Connection 3, in engine compartment wiring harness

D103

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. 110 / 13

Motronic control unit, cruise control system switch, clutch pedal
switch
E45 - Cruise control system switch**
E227 - Cruise control system (CCS) SET button**
F36 - Clutch pedal switch
J220 - Motronic control unit, in centre plenum chamber
T4q - 4-pin connector
T10e - 10-pin connector, black, in connector protective housing, on
left in plenum chamber
T10s - 10-pin connector, next to steering column
T10w - 10-pin connector, white, in connector protective housing, on
left in plenum chamber
T121 - 121-pin connector
- Connection (15a), in dash panel wiring harness
A20

* - only models with manual gearbox

** - only models with GND

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. 110 / 14

Motronic control unit, fuel pump relay, air mass meter
G70 - Air mass meter
J17 - Fuel pump relay
J217 - Automatic gearbox control unit
J220 - Motronic control unit, in centre plenum chamber
J234 - Airbag control unit
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
T68a - 68-pin connector, models with 5-speed automatic gearbox
(AG5)
T121 - 121-pin connector
- Connection (speed signal), in dash panel wiring harness
A27

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

A125

* - only models with manual gearbox

ws = white --- - models with automatic gearbox only
sw = black -●●- - only models with Climatronic
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. 110 / 15

Fuel pump, fuel gauge sender, coolant shortage indicator sender
G - Fuel gauge sender
G6 - Fuel pump
G32 - Coolant shortage indicator sender
S228 - Fuse 28 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 wiring

269
harness
- Screw connection 1 (87), on relay plate
504

- Connection 1 (87), in dash panel wiring harness

A99
ws = white
sw = black - Connection 2 (87), in dash panel wiring harness
A100
ro = red
br = brown
gn = green - Connection (87a), in engine wiring harness
E30
bl = blue
gr = grey
li = purple * - from May 2003
ge = yellow *** - up to April 2003
or = orange --- - models with automatic gearbox only
rs = pink
** - only models without Climatronic
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Golf/Bora Current Flow Diagram No. 110 / 16

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**
J217 - Automatic gearbox control unit
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
T10h - 10-pin connector, blue, in connector protective housing, on
left in plenum chamber
T14a - 14-pin connector, near battery
T32 - 32-pin connector, blue
T32a - 32-pin connector, green
T68a - 68-pin connector, models with 5-speed automatic gearbox
(AG5)
- Positive connection 1 (15), in interior wiring harness
B163

* - models with manual gearbox/automatic gearbox (AG4) only

** - only flexible service interval display
-●●- - models with 5-speed automatic gearbox (AG5) only
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. 110 / 17

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 - 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 wiring
A13
harness
- Connection (speed signal), in dash panel wiring harness
A27

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. 110 / 18

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 harness
A76

ws = white
sw = black ** - only models without Climatronic
ro = red -●- - only models with Climatronic
br = brown
gn = green
bl = blue
gr = grey
li = purple
ge = yellow
or = orange
rs = pink