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Basic equipment Heated washer jets Fog light Rain and light sensor Static headlight range controlFrom May 2006

Golf Current Flow Diagram No. 142 / 1Edition 09.2008

Notes:

For information concerning

Relay and fuse assignment

Multi-pin connectors

Control units and relays

Earth connections

Overview of Fitting Locations!

For information concerning

Fault Finding Programs

Guided Fault Finding

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rs = pink

Battery, terminal 15 voltage supply relay 2, terminal 30 voltagesupply relay 2, fuses

A - BatteryB - StarterC - AlternatorJ519 - Onboard supply control unitJ681 - Terminal 15 voltage supply relay 2J682 - Terminal 50 voltage supply relayJ689 - Terminal 30 voltage supply relay 2SA1 - Fuse 1 on fuse holder A

SA5 - Fuse 5 on fuse holder ASB3 - Fuse 3 on fuse holder BSB4 - Fuse 4 on fuse holder B, E-box highSB28 - Fuse 28 on fuse holder BSB49 - Fuse 49 on fuse holder B, E-box highSC2 - Fuse 2 on fuse holder CSF3 - Fuse 3 on fuse holder FSF4 - Fuse 4 on fuse holder FT2ao - 2-pin connectorT40 - 40-pin connectorTV2 - Terminal 30 wiring junction

1- Earth strap, battery - body

14- Earth point, on gearbox

508- Screw connection (30) on E-box

652- Earth point, engine and gearbox earth

B163- Positive connection 1 (15), in interior wiring harness

B169- Positive connection 1 (30), in interior wiring harness

B278

- Connection 2 (15a), in main wiring harness

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* - Models with 90 A/120 A alternator** - Models with 140 A alternator# - Not for engine code BUB## - Only engine code BUB

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ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = grey

li = purplege = yellowor = orangers = pink

FusesJ519 - Onboard supply control unit

SB2 - Fuse 2 on fuse holder BSB6 - Fuse 6 on fuse holder BSB12 - Fuse 12 on fuse holder BSB16 - Fuse 16 on fuse holder B, E-box highSB17 - Fuse 17 on fuse holder B, E-box highSB19 - Fuse 19 on fuse holder BSB24 - Fuse 24 on fuse holder B, E-box high

SB26 - Fuse 26 on fuse holder BSB30 - Fuse 30 on fuse holder BSB31 - Fuse 31 on fuse holder B, E-box highSB47 - Fuse 47 on fuse holder B, E-box highSB52 - Fuse 52 on fuse holder B, E-box highSC1 - Fuse 1 on fuse holder CSC4 - Fuse 4 on fuse holder CT40 - 40-pin connector

A192- Positive connection 3 (15a) in dash panel wiring harness

A217- Positive connection 8 (15a) in dash panel wiring harness

** - Only models with heated washer jets-- - Only models with static headlight range control-- -

Not models with 6-speed automatic gearbox 09G/dual clutchgearbox 02E (DSG)

Golf Current Flow Diagram No. 142 / 4

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ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = purplege = yellowor = orange

rs = pink

X-contact relief relay, fusesJ59 - X-contact relief relayJ519 - Onboard supply control unitSB5 -

Fuse 5 on fuse holder B, E-box highSB17 - Fuse 17 on fuse holder BSB25 - Fuse 25 on fuse holder BSB48 - Fuse 48 on fuse holder B, E-box highSC13 - Fuse 13 on fuse holder CSC14 - Fuse 14 on fuse holder CSC15 - Fuse 15 on fuse holder CSC40 - Fuse 40 on fuse holder C

SC41 - Fuse 41 on fuse holder CSC42 - Fuse 42 on fuse holder C

A167- Positive connection 3 (30a) in dash panel wiring harness

A189- Positive connection 5 (30a) in dash panel wiring harness

B162- Connection (75a), in interior wiring harness

B349- Connection 2 (75A), in main wiring harness

--- - Only models with rain and light detector sensor

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Steering column electronics control unit, ignition/starter switch,ignition key withdrawal lock solenoid

D - Ignition/starter switchF319 - Selector lever locked in position P switchJ13 - Fresh air blower relayJ519 - Onboard supply control unitJ527 - Steering column electronics control unitN376 - Ignition key withdrawal lock solenoidSC25 - Fuse 25 on fuse holder CT6l - 6-pin connector

T10s - 10-pin connector, under selector lever coverT12j - 12-pin connectorT20d - 20-pin connector

B170- Positive connection 2 (30), in interior wiring harness

B171- Positive connection 3 (30), in interior wiring harness

B276- Positive connection (50), in main wiring harness

B465- Connection 1, in main wiring harness

*** - Only models with auxiliary heater--- -

Only models with 6-speed automatic gearbox 09G/dual clutchgearbox 02E (DSG)

# - Not for engine code BUB## - Only engine code BUBxx - From May 2007

/// - To April 2007

Golf Current Flow Diagram No. 142 / 6

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ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = purplege = yellowor = orange

rs = pink

Steering column electronics control unit, driver side airbag igniter,horn plate, steering angle senderF138 - Airbag coil connectorG85 - Steering angle sender

H - Horn plateJ234 - Airbag control unitJ519 - Onboard supply control unitJ527 - Steering column electronics control unitN95 - Driver side airbag igniterT4k - 4-pin connectorT10x - 10-pin connectorT12k - 12-pin connector

T20d - 20-pin connectorT50 - 50-pin connectorT75 - 75-pin connector

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Turn signal switch, headlight dipper and flasher switch,windscreen wiper switch, windscreen washer pump switch, CCS

switch, multifunction display call-up buttonE2 - Turn signal switchE4 - Headlight dipper and flasher switchE22 - Intermittent wiper switchE34 - Rear wiper switchE38 - Intermittent wipe regulatorE44 -

Washer pump switch (automatic wash/wipe and headlightwasher system)

E45 - Cruise control system switch

E86 - Multifunction display call-up buttonE109 - Multifunction display memory switchE227 - Cruise control system (CCS) SET buttonJ519 - Onboard supply control unitJ527 - Steering column electronics control unitJ... - Engine control unitsT8y - 8-pin connectorT10y - 10-pin connectorT20d - 20-pin connector* - Only models with multifunction display*** - Only models with cruise control system

Golf Current Flow Diagram No. 142 / 8

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ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = purplege = yellowor = orange

rs = pink

Left headlight, left fog light, left headlight range control motorJ519 - Onboard supply control unitL22 - Left fog light bulbM1 - Left side light bulb

M5 - Front left turn signal bulbM29 - Left headlight dipped beam bulbM30 - Left headlight main beam bulbT5n - 5-pin connector, near left headlightT10i - 10-pin connector, on left headlightV48 - Left headlight range control motor

203- Earth connection, in front fog light wiring harness

376 - Earth connection 11, in main wiring harness

655- Earth point, on left headlight

A6-

Positive connection (left turn signal), in dash panel wiringharness

A95- Connection 1 (56a), in dash panel wiring harness

B144 - Positive connection (58L), in interior wiring harness

B247- Connection 2 (56b), in interior wiring harness

B457- Connection 1 (potentiometer), in main wiring harness

*** - Only models with fog lights-- - Only models with static headlight range control

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Switch and instrument illumination regulator, headlight rangecontrol adjuster, dual tone horn relay, horn relay, bass horn, treble

horn, bonnet contact switchE20 - Switch and instrument illumination regulatorE102 - Headlight range control regulatorF266 - Bonnet contact switchH2 - Treble hornH7 - Bass hornJ4 - Dual tone horn relayJ413 - Horn relayJ519 - Onboard supply control unitL105 - Illumination regulator illumination bulbT2n - 2-pin connector, near right headlightT8e - 8-pin connector

376- Earth connection 11, in main wiring harness

378- Earth connection 13, in main wiring harness

**** - Only models with two tone horn

-- - Only models with static headlight range control

Golf Current Flow Diagram No. 142 / 10

g

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ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = purplege = yellowor = orange

rs = pink

Right headlight, right turn signal side repeater, right fog light, rightheadlight range control motorJ519 - Onboard supply control unitL23 - Right fog light bulb

M3 - Right side light bulbM7 - Front right turn signal bulbM31 - Right headlight dipped beam bulbM32 - Right headlight main beam bulbT5n - 5-pin connector, near left headlightT10j - 10-pin connector, on right headlightV49 - Right headlight range control motor

378- Earth connection 13, in main wiring harness

656- Earth point, on right headlight

A5-

Positive connection (right turn signal), in dash panel wiringharness

B143- Positive connection (58R), in interior wiring harness

B457- Connection 1 (potentiometer), in main wiring harness

*** - Only models with fog lights-- - Only models with static headlight range control

g

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Golf Current Flow Diagram No. 142 / 11

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Light switch, fog light switch, rear fog light switchE1 - Light switch

E7 - Fog light switchE18 - Rear fog light switchJ519 - Onboard supply control unitL9 - Light switch illumination bulbT10h - 10-pin connector

B340- Connection 1 (58d), in main wiring harness

*** - Only models with fog lightsx - To October 2007

Golf Current Flow Diagram No. 142 / 12

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ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = purplege = yellowor = orange

rs = pink

Rear turn signal, left brake light, right brake light, reversing light,tail light and rear fog lightJ519 - Onboard supply control unitL46 - Rear left fog light bulb

L47 - Rear right fog light bulbM2 - Right tail light bulbM4 - Left tail light bulbM6 - Rear left turn signal bulbM8 - Rear right turn signal bulbM16 - Left reversing light bulbM17 - Right reversing light bulbM21 - Left brake and tail light bulbM22 - Right brake and tail light bulb

T4a - 4-pin connectorT4b - 4-pin connectorT5a - 5-pin connector, black, in rear left side panelT5c - 5-pin connector, brown, in rear left side panel

86- Earth connection 1, in rear wiring harness

98- Earth connection, in rear lid wiring harness

369 - Earth connection 4, in main wiring harness

662- Earth point, rear left side panel

682- Earth point 2, in rear right side panel

A87- Connection (RL), in dash panel wiring harness

* - Left-hand drive models-- - Right-hand drive models

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Golf Current Flow Diagram No. 142 / 13

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High level brake light bulb, licence plate light, turn signal inexterior mirror

J386 - Driver door control unitJ387 - Front passenger door control unitJ519 - Onboard supply control unitL131 - Driver side exterior mirror turn signal bulbL132 - Front passenger side exterior mirror turn signal bulbM25 - High-level brake light bulbT2ac - 2-pin connectorT2ah - 2-pin connectorT2aj - 2-pin connector, rear right under bumper

T5a - 5-pin connector, black, in rear left side panelT8l - 8-pin connector, rear right under bumperT16a - 16-pin connectorT16g - 16-pin connectorT20a - 20-pin connectorT20b - 20-pin connectorT28 - 28-pin connector, coupling point, left A-pillarT28a - 28-pin connector, coupling point, right A-pillarX - Licence plate light

86- Earth connection 1, in rear wiring harness

98- Earth connection, in rear lid wiring harness

205- Earth connection, in driver door wiring harness

206- Earth connection, in front passenger door wiring harness

345- Earth connection, in bumper wiring harness

W41- Positive connection (58), in licence plate lights wiring harness

* - Only models with no parking aid** - Only models with parking aid

Golf Current Flow Diagram No. 142 / 14

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ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = purplege = yellowor = orange

rs = pink

Hazard warning lights button, reversing light switch, heatedwasher jets, heated rear window relay, heated rear windowE229 - Hazard warning lights buttonF4 - Reversing light switch

J9 - Heated rear window relayJ519 - Onboard supply control unitK6 - Indicator lamp for hazard warning lightT4 - 4-pin connectorT5a - 5-pin connector, black, in rear left side panelZ1 - Heated rear windowZ20 - Left washer jet heater elementZ21 - Right washer jet heater element

47-

Earth point, in front right footwell

366- Earth connection 1, in main wiring harness

387- Earth connection 22, in main wiring harness

388- Earth connection 23, in main wiring harness

663-

Earth point, rear right side panel

* - Only models with footwell lights** - Only models with heated washer jets-- -

Not models with 6-speed automatic gearbox 09G/dual clutchgearbox 02E (DSG)

-- - Only models with static headlight range control*** -

Models with radio/radio navigation system Current flowdiagram for radio systems

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Golf Current Flow Diagram No. 142 / 15

ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = purple

ge = yellowor = orangers = pink

Windscreen wiper motor, rain and light detector sensor, rearwindow wiper motor, windscreen and rear window washer pump,

double washer pump relayG397 - Rain and light sensorJ400 - Wiper motor control unitJ519 - Onboard supply control unitJ729 - Double washer pump relay 1 (404)J730 - Double washer pump relay 2 (404)T3ae - 3-pin connectorT4q - 4-pin connectorT4u - 4-pin connectorT5e - 5-pin connector, pink, in rear left side panelV - Windscreen wiper motorV12 - Rear window wiper motorV59 - Windscreen and rear window washer pump

B528- Connection 1 (LIN bus), in main wiring harness

--- - Only models with rain and light detector sensor-- - Only models with static headlight range control

Golf Current Flow Diagram No. 142 / 16

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ge = yellowor = orangers = pink

Brake light switch, glove compartment light, luggagecompartment lightE26 - Glove compartment light switchF - Brake light switch

F256 - Rear lid lock unitJ393 - Convenience system central control unitJ519 - Onboard supply control unitJ... - Engine control unitsT4ab - 4-pin connectorT4bc - 4-pin connectorT5c - 5-pin connector, brown, in rear left side panelT18 - 18-pin connectorW3 - Luggage compartment light

W6 - Glove compartment light

44- Earth point, lower part of left A-pillar

53- Earth point, on right in rear lid

195- Earth connection, in rear door switch wiring harness

367- Earth connection 2, in main wiring harness

387- Earth connection 22, in main wiring harness

605- Earth point, on top end of steering column

682- Earth point 2, in rear right side panel

B131- Connection (54), in interior wiring harness

B559- Connection 1 (30g), in main wiring harness

D121- Connection 19, in engine compartment wiring harness

# - Not models with external audio connection

Golf Current Flow Diagram No. 142 / 17

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ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = purplege = yellowor = orange

rs = pink

Front interior light, reading lights, rear interior lightJ519 - Onboard supply control unitL65 - Sliding sunroof switch illumination bulbL156 - Switch illumination bulb

T2t - 2-pin connectorT5y - 5-pin connectorT6a - 6-pin connectorT6b - 6-pin connectorT8d - 8-pin connector, near front interior lightW1 - Front interior lightW11 - Rear left reading lightW12 - Rear right reading lightW13 - Front passenger reading light

W19 - Driver side reading lightW43 - Rear interior lightY7 - Automatic anti-dazzle interior mirror

347- Earth connection, in roof wiring harness

389- Earth connection 24, in main wiring harness

B154- Connection 1 (DCt), in interior wiring harness

B250- Positive connection, in roof wiring harness

B559- Connection 1 (30g), in main wiring harness

B603- Connection 2 (30g), in main wiring harness

* - Only models with sliding sunroof adjustment control unit

--- - Only models with rain and light detector sensor

---

Only models with brake wear indicator and flexible printedcircuit

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ws = whitesw = blackro = red

br = browngn = greenbl = bluegr = greyli = purplege = yellowor = orangers = pink

Vanity mirror contact switch, cigarette lighter, 12 V socket,footwell lights

F147 - Driver vanity mirror contact switchF148 - Front passenger vanity mirror contact switchJ29 - Blocking diodeJ519 - Onboard supply control unitL28 - Cigarette lighter illumination bulbL32 - Rear cigarette lighter illumination bulbU1 - Cigarette lighterU5 - 12 V socket, in right luggage compartmentU9 - Rear cigarette lighter

W9 - Left footwell lightW10 - Right footwell lightW14 - Illuminated vanity mirror, front passenger sideW20 - Illuminated vanity mirror, driver side

47- Earth point, in front right footwell

347- Earth connection, in roof wiring harness

367 - Earth connection 2, in main wiring harness

383- Earth connection 18, in main wiring harness

390- Earth connection 25, in main wiring harness

682- Earth point 2, in rear right side panel

B250 - Positive connection, in roof wiring harness

B348- Connection 1 (75a), in main wiring harness

B433- Connection (footwell light), in main wiring harness

* - Only models with footwell lights*** - Only models with illuminated vanity mirror

x - Flexible printed circuit to October 2007

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ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = purple

ge = yellowor = orangers = pink

Heater/heater output switch, fresh air blower switch, fresh airblower, air recirculation flap servomotor, heated rear window

buttonE9 - Fresh air blower switchE16 - Heater/heat output switchE159 - Fresh air and air recirculation flap switchE230 - Heated rear window buttonG143 - Potentiometer for air recirculation flap control motorJ519 - Onboard supply control unitK10 - Heated rear window warning lampK114 - Fresh air and air recirculation warning lamp

L16 - Fresh air regulator illumination bulbN24 - Fresh air blower series resistor with overheating fuseT4f - 4-pin connectorT5 - 5-pin connectorT6k - 6-pin connectorT10k - 10-pin connector, on right under dash panelT20c - 20-pin connectorV2 - Fresh air blowerV113 - Air recirculation flap control motor

602 - Earth point, in front left footwell

L77- Connection, in fresh air blower wiring harness

L78- Connection 2, in fresh air blower wiring harness

Golf Current Flow Diagram No. 142 / 20

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ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = purplege = yellowor = orange

rs = pink

Data bus diagnosis interface, self-diagnosis connectionJ519 - Onboard supply control unitJ533 -

Data bus diagnostic interface, in left footwell near centreconsole

J... - Engine control unitsT16 -

16-pin connector, on left under dash panel, self-diagnosisconnection

T20 - 20-pin connector

A76- Connection (K-diagnosis wire), in dash panel wiring harness

A178-

Connection (infotainment CAN bus, high), in dash panelwiring harness

A179-

Connection (infotainment CAN bus, low), in dash panel wiringharness

B383-

Connection 1 (powertrain CAN bus, high), in main wiringharness

B390-

Connection 1 (powertrain CAN bus, low), in main wiringharness

B397-

Connection 1 (convenience CAN bus, high), in main wiringharness

B406-

Connection 1 (convenience CAN bus, low), in main wiringharness

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ge = yellowor = orangers = pink

Data bus diagnostic interface, dash panel insert, bonnet openwarning lamp

J285 - Control unit in dash panel insertJ519 - Onboard supply control unitJ533 -

Data bus diagnostic interface, in left footwell near centreconsole

K171 - Bonnet open warning lampT20 - 20-pin connectorT36 - 36-pin connector

Golf Current Flow Diagram No. 142 / 22

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ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = purplege = yellowor = orange

rs = pink

Dash panel insert, immobiliser control unit, brake wear indicator,brake fluid level warning contactD2 - Immobiliser reader coilF34 - Brake fluid level warning contact

G34 - Front left brake pad wear senderH3 - Warning buzzerJ285 - Control unit in dash panel insertJ362 - Immobiliser control unitJ519 - Onboard supply control unitK31 - Cruise control system warning lampK32 - Brake pad warning lampK117 - Immobiliser warning lampK166 - Door open warning lamp

K170 - Bulb failure warning lampT36 - 36-pin connector

381- Earth connection 16, in main wiring harness

B379- Connection 1 (brake wear indicator), in main wiring harness

B380- Connection 2 (brake wear indicator), in main wiring harness

-- - Only models with brake wear indicator

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ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = purple

ge = yellowor = orangers = pink

Fuel gauge, coolant temperature and coolant shortage indicator,oil pressure warning lamp, handbrake warning, washer fluid level

warning lampF1 - Oil pressure switchF9 - Handbrake warning switchG - Fuel gauge senderG1 - Fuel gaugeG3 - Coolant temperature gaugeG32 - Coolant shortage indicator senderG33 - Windscreen washer fluid level senderJ285 - Control unit in dash panel insert

J519 - Onboard supply control unitJ538 - Fuel pump control unitK2 - Alternator warning lampK3 - Oil pressure warning lampK28 - Coolant temperature and coolant shortage warning lampK37 - Washer fluid level warning lampK65 - Left turn signal warning lampK94 - Right turn signal warning lampK105 - Reserve fuel warning lamp

K118 - Brake system warning lampT5b - 5-pin connectorT10n - 10-pin connector, near batteryT14a - 14-pin connector, near batteryT36 - 36-pin connector

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

D203-

Connection (oil pressure switch) in engine compartmentwiring harness

Golf Current Flow Diagram No. 142 / 24

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ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = purplege = yellowor = orangers = pink

Dash panel insert, ambient temperature display, warning lamps formain beam, side light, rear fog light and engine electronics,speedometer, rev. counterG5 - Rev. counter

G17 - Ambient temperature sensorG21 - SpeedometerJ119 - Multifunction displayJ245 - Sliding sunroof adjustment control unitJ285 - Control unit in dash panel insertJ519 - Onboard supply control unitK1 - Main beam warning lampK4 - Side light warning lampK13 - Rear fog light warning lamp

K149 - Engine electronics warning lampT2z - 2-pin connector, near left headlightT5n - 5-pin connector, near left headlightT6c - 6-pin connectorT36 - 36-pin connectorY4 - Trip counter

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

** - Only sliding sunroof adjustment control unit (speed signal)*** - Only models with fog lights and multifunction display--- - Only models without fog light and with multifunction display