Vag Blg May 2006-
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Golf Current Flow Diagram No. 156 / 1Edition 03.2008
1.4 l/125 kW - Motronic, engine code BLG From May 20061.4 l/103 kW - Motronic, engine code BMY From May 2006
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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ws = whitesw = blackro = redrt = redbr = browngn = greenbl = bluegr = grey
li = purplevi = purplege = yellowor = orangers = pink
Battery, alternator, starter
A - BatteryB - StarterC - AlternatorC1 - Voltage regulatorJ519 - Onboard supply control unitSA1 - Fuse 1 on fuse holder ASA5 - Fuse 5 on fuse holder ASC27 - Fuse 27 on fuse holder C
T2 - 2-pin connectorT2c -
2-pin connector, near starter (models with no airconditioning system)
T4t -
4-pin connector, near starter (models with air conditioningsystem)
1 - Earth strap, battery - body
14 - Earth point, on gearbox
508 - Screw connection (30) on E-box
652 - Earth point, engine and gearbox earth
B169 - Positive connection 1 (30), in interior wiring harness
B177 - Connection (61), in interior wiring harness
* - Models with 90 A/120 A alternator** - Models with 140 A alternator
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ws = whitesw = blackro = redrt = redbr = browngn = greenbl = bluegr = grey
li = purplevi = purplege = yellowor = orangers = pink
Terminal 50 voltage supply relay, terminal 15 voltage supply
relay 2J519 - Onboard supply control unitJ681 - Terminal 15 voltage supply relay 2J682 - Terminal 50 voltage supply relaySB6 - Fuse 6 on fuse holder BSB28 - Fuse 28 on fuse holder BSC2 - Fuse 2 on fuse holder CSC4 - Fuse 4 on fuse holder CT40 - 40-pin connector
A41 - Positive connection (50), in dash panel wiring harness
A217 - Positive connection 8 (15a) in dash panel wiring harness
B163 - Positive connection 1 (15), in interior wiring harness
B278 - Connection 2 (15a), in main wiring harness
-●● - - Only models with flexible service interval display
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ws = whitesw = blackro = redrt = redbr = browngn = greenbl = bluegr = greyli = purplevi = purplege = yellowor = orangers = pink
Fuel pump control unit, fuel gauge sender, fuel pump
G - Fuel gauge senderG6 - Fuel pumpJ519 - Onboard supply control unitJ538 - Fuel pump control unit, near fuel gauge senderSB15 - Fuse 15 on fuse holder BSB24 - Fuse 24 on fuse holder BT5b - 5-pin connectorT10n - 10-pin connector
T40 - 40-pin connector 383 - Earth connection 18, in main wiring harness
682 - Earth point 2, in rear right side panel
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ws = whitesw = blackro = redrt = redbr = browngn = greenbl = bluegr = greyli = purplevi = purplege = yellowor = orangers = pink
Motronic current supply relay
J271 - Motronic current supply relay, on E-box, on left in enginecompartment (100)J519 - Onboard supply control unitSB10 - Fuse 10 on fuse holder BSB13 - Fuse 13 on fuse holder BSB14 - Fuse 14 on fuse holder BSB21 - Fuse 21 on fuse holder BSB22 - Fuse 22 on fuse holder BSB23 - Fuse 23 on fuse holder BT14a - 14-pin connector, near batteryT40 - 40-pin connector
D78 -
Positive connection 1 (30a), in engine compartment wiringharness
D181 -
Connection 2 (87a), in engine compartment wiringharness
D197 -
Connection 5 (87a), in engine compartment wiring
harness* - Only models with manual gearbox
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ws = whitesw = blackro = redrt = redbr = browngn = greenbl = bluegr = greyli = purplevi = purplege = yellowor = orangers = pink
Engine control unit, magnetic clutch for supercharger
J519 - Onboard supply control unitJ527 - Steering column electronics control unitJ623 - Engine control unit, centre in plenum chamberN421 - Magnetic clutch for superchargerT14a - 14-pin connector, near batteryT20d - 20-pin connectorT94 - 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 wiringharness
D182 -
Connection 3 (87a), in engine compartment wiringharness
D110 - Connection 8, in engine compartment wiring harness
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ws = whitesw = blackro = redrt = redbr = browngn = greenbl = bluegr = greyli = purplevi = purplege = yellowor = orangers = pink
Engine control unit, ignition coils with output stage, spark plugsJ519 - Onboard supply control unitJ623 - Engine control unit, centre in plenum chamberN70 - Ignition coil 1 with output stageN127 - Ignition coil 2 with output stageN291 - Ignition coil 3 with output stageN292 - Ignition coil 4 with output stageP - Spark plug connectorQ - Spark plugT14a - 14-pin connector, near batteryT60 - 60-pin connector
15 - Earth point, on cylinder head
85 - Earth connection 1, in engine compartment wiring harness
281 - Earth point 1, engine prewiring harness
379 - Earth connection 14, in main wiring harness
642 - Earth point for electronically controlled fan
D206 - Connection 4 (87a) in engine prewiring harness
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ws = whitesw = blackro = redrt = redbr = browngn = greenbl = bluegr = greyli = purplevi = purplege = yellowor = orangers = pink
Engine control unit, throttle valve module, intake airtemperature sender 3, intake manifold pressure sender 3, HallsenderG40 - H all senderG186 - Throttle valve drive, electric throttleG187 - Throttle valve drives angle sender 1, electric throttleG188 - Angle sender 2 for throttle valve drives, electric throttleG520 - Intake air temperature sender 3G583 - Intake manifold pressure sender 3J338 - Throttle valve module
J519 - Onboard supply control unitJ623 - Engine control unit, centre in plenum chamberT3b - 3-pin connectorT6x - 6-pin connectorT60 - 60-pin connector
220 - Earth connection (sender earth), in engine wiring harness
D101 - Connection 1, in engine compartment wiring harness
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ws = whitesw = blackro = redrt = redbr = browngn = greenbl = bluegr = greyli = purplevi = purplege = yellowor = orangers = pink
Engine control unit, fuel pressure sender, regulating flap controlunit, regulating flap position control motor, regulating flappotentiometer, intake air temperature sender, intake manifoldpressure senderG42 - Intake air temperature senderG71 - Intake manifold pressure senderG247 - Fuel pressure senderG584 - Regulating flap potentiometerJ519 - Onboard supply control unitJ623 - Engine control unit, centre in plenum chamber
J808 - Regulating flap control unitT5z - 5-pin connectorT60 - 60-pin connectorV380 - Regulating flap position control motor
D101 - Connection 1, in engine compartment wiring harness
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ws = whitesw = blackro = redrt = redbr = browngn = greenbl = bluegr = greyli = purplevi = purplege = yellowor = orangers = pink
Engine control unit, intake manifold flap potentiometer, chargeair pressure sender, intake air temperature sender 2, enginespeed sender, coolant temperature senderG28 - Engine speed senderG31 - Charge air pressure senderG62 - Coolant temperature senderG299 - Intake air temperature sender 2G336 - Intake manifold flap potentiometerJ519 - Onboard supply control unitJ623 - Engine control unit, centre in plenum chamberT60 - 60-pin connector 220 - Earth connection (sender earth), in engine wiring harness
D107 - Connection 5, in engine compartment wiring harness
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ws = whitesw = blackro = redrt = redbr = browngn = greenbl = bluegr = greyli = purplevi = purplege = yellowor = orangers = pink
Engine control unit, knock sensor, injectorsG61 - Knock sensor 1J519 - Onboard supply control unitJ623 - Engine control unit, centre in plenum chamberN30 - Injector, cylinder 1N31 - Injector, cylinder 2N32 - Injector, cylinder 3N33 - Injector, cylinder 4T60 - 60-pin connector
D108- Connection 6, in engine compartment wiring harness
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ws = whitesw = blackro = redrt = redbr = browngn = greenbl = bluegr = greyli = purplevi = purplege = yellowor = orangers = pink
Engine control unit, additional coolant pump relay, coolantcirculation pump, charge pressure control solenoid valve,turbocharger air recirculation valveJ496 - Additional coolant pump relay (449)J519 - Onboard supply control unitJ623 - Engine control unit, centre in plenum chamberN75 - Charge pressure control solenoid valveN249 - Turbocharger air recirculation valveT4x - 4-pin connector, on lower left of radiator fanT14a - 14-pin connector, near batteryT60 - 60-pin connectorT94 - 94-pin connectorV50 - Coolant circulation pump
D111 - Connection 9, in engine compartment wiring harness
D180 - Connection (87a), in engine compartment wiring harness
D181 -
Connection 2 (87a), in engine compartment wiringharness
D196 - Connection 2 (87a) in engine prewiring harness*** - Radiator fan connection
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ws = whitesw = blackro = redrt = redbr = browngn = greenbl = bluegr = greyli = purplevi = purplege = yellowor = orangers = pink
Intake manifold flap valve, variable valve timing, activatedcharcoal filter and fuel pressure, radiator outlet coolanttemperature sender, brake servo pressure sensorG83 - Radiator outlet coolant temperature senderG294 - Brake servo pressure sensorJ519 - Onboard supply control unitJ623 - Engine control unit, centre in plenum chamberN80 - Activated charcoal filter solenoid valve 1N205 - Camshaft control valve 1N276 - Fuel pressure regulating valveN316 - Intake manifold flap valveT4aj - 4-pin connectorT14a - 14-pin connector, near batteryT60 - 60-pin connectorT94 - 94-pin connector
D183 -
Connection 4 (87a), in engine compartment wiringharness
D196 - Connection 2 (87a) in engine prewiring harness
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ws = whitesw = blackro = redrt = redbr = browngn = greenbl = bluegr = greyli = purplevi = purplege = yellowor = orangers = pink
Engine control unit, Lambda probe after catalytic converter,accelerator position sender, winter driving program buttonE598 - Winter driving program buttonG79 - Accelerator position senderG130 - Lambda probe after catalytic converterG185 - Accelerator position sender 2J519 - Onboard supply control unitJ623 - Engine control unit, centre in plenum chamberK243 - Winter driving program warning lightL156 - Switch illumination bulbT6as - 6-pin connectorT6h - 6-pin connectorT4v - 4-pin connector, front of engine compartmentT94 - 94-pin connectorZ29 - Lambda probe 1 heater after catalytic converter
47 - Earth point, in front right footwell
374 - Earth connection 9, in main wiring harness
388 - Earth connection 23, in main wiring harness B340 - Connection 1 (58d), in main wiring harness
E30 - Connection (87a), in engine wiring harness
-● -● - - Only models with winter driving program
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ws = whitesw = blackro = redrt = redbr = browngn = greenbl = bluegr = greyli = purplevi = purplege = yellowor = orangers = pink
Engine control unit, Lambda probe, brake light switchF - Brake light switchG39 - Lambda probeJ519 - Onboard supply control unitJ623 - Engine control unit, centre in plenum chamberT4bc - 4-pin connectorT4bg - 4-pin connector, front of engine compartmentT94 - 94-pin connectorZ19 - Lambda probe heater
389- Earth connection 24, in main wiring harness
B131 - Connection (54), in interior wiring harness
E30 - Connection (87a), in engine wiring harness
D121 - Connection 19, in engine compartment wiring harness
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ws = whitesw = blackro = redrt = redbr = browngn = greenbl = bluegr = greyli = purplevi = purplege = yellowor = orangers = pink
Engine control unit, clutch position senderG476 - Clutch position senderJ104 - ABS control unitJ519 - Onboard supply control unitJ623 - Engine control unit, centre in plenum chamberJ743 - Mechatronic unit for dual clutch gearboxT5m - 5-pin connectorT20e - 20-pin connectorT26a - 26-pin connector, on ABS with TCS control unitT47 - 47-pin connector, on ABS with EDL/ESP control unitT47a - 47-pin connector, on ABS with ESP (HBS) control unitT47b -
47-pin connector, on ABS with ESP control unit (hill startassist)
T94 - 94-pin connector
44 - Earth point, lower part of left A-pillar
367 - Earth connection 2, in main wiring harness
382 - Earth connection 17, in main wiring harness
389 - Earth connection 24, in main wiring harness
605 - Earth point, on top of steering column
B383 -
Connection 1 (powertrain CAN bus, high), in main wiringharness
B390 -
Connection 1 (powertrain CAN bus, low), in main wiringharness
* - Only models with manual gearbox-●● - - Only models with dual clutch gearbox 02E (DSG)
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ws = whitesw = blackro = redrt = redbr = browngn = greenbl = bluegr = greyli = purplevi = purplege = yellowor = orangers = pink
Dash panel insert, data bus diagnostic interface, self-diagnosisconnection, electronic power control fault lamp, multifunctiondisplayJ119 - Multifunction displayJ285 - Control unit in dash panel insertJ519 - Onboard supply control unitJ533 -
Data bus diagnosis interface, in left footwell, near centreconsole
K132 - Electronic power control fault lampT16 -
16-pin connector, on left under dash panel, self-diagnosis
connectionT20 - 20-pin connectorT36 - 36-pin connector
376 - Earth connection 11, in main wiring harness
381 - Earth connection 16, in main wiring harness
655 - Earth point, on left headlight
A76 -
Connection (K-diagnosis wire), 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
-●● - - Only models with flexible service interval display
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ws = whitesw = blackro = redrt = redbr = browngn = greenbl = bluegr = greyli = purplevi = purplege = yellowor = orangers = pink
Dash panel insert, oil level and oil temperature sender, exhaustemissions warning lamp, charge air pressure gauge, fuel gauge,oil pressure switch, oil pressure warning lamp, warning buzzerF1 - Oil pressure switchG1 - Fuel gaugeG3 - Coolant temperature gauge**G30 - Charge air pressure gauge**G32 - Coolant shortage indicator senderG266 - Oil level and oil temperature senderH3 - Warning buzzer
J285 - Control unit in dash panel insertJ519 - Onboard supply control unitK3 - Oil pressure warning lampK31 - Cruise control system warning lampK38 -
Oil level warning lamp (only models with flexible serviceinterval display)
K83 - Exhaust emissions warning lampK105 - Reserve fuel warning lampT6z - 6-pin connector, near left headlightT14a - 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
* - Only engine code BLG** - Only engine code BMY-●● - - Only models with flexible service interval display
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