Wiring Diagram VW GOLF 2009 - Alternator - starter
| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| D | Ignition/starter switch |
| J59 | X contact relief relay |
| J207 | Starter inhibitor relay |
| J226 | Starter inhibitor and reversing light relay |
| S163 | Fuse -2- (30), in fuse box/battery |
| S176 | Fuse -4- (30), in fuse box/battery |
| S177 | Fuse -5- (30), in fuse box/battery |
| T2e | 2-pin connector, near starter (only models without air conditioner) |
| T4 | 4-pin connector, near starter (only models with air conditioner) |
| T6 | 6-pin connector, brown, in control unit protective housing, in plenum chamber, left |
| 500 | Screw connection -1- (30), on relay plate |
| 502 | Screw connection -1- (30a), on relay plate |
| * | Only models with manual gearbox |
| --- | Only models with automatic gearbox |
Wiring Diagram VW GOLF 2009 - Motronic current supply relay - motronic control unit
| D | Ignition/starter switch |
| J220 | Motronic control unit, in plenum chamber, centre |
| J271 | Motronic current supply relay, in protective housing in engine compartment, left (control number 428) |
| S10 | Fuse in fuse box |
| S229 | Fuse in fuse box |
| T2 | 2-pin connector, in engine compartment, left |
| T6 | 6-pin connector, brown, in control unit protective housing, in plenum chamber, left |
| T14a | 14-pin connector, near battery |
| T121 | 121-pin connector |
| 501 | Screw connection -2- (30), on relay plate |
| A2 | Positive (+) connection (15), in dash panel wiring harness |
| A32 | Positive (+) connection (30), in dash panel wiring harness |
| A98 | Positive (+) connection-4-(30), in dash panel wiring harness |
| A104 | Positive (+) connection -2- (15), in dash panel wiring harness |
| D78 | Positive (+) connection -1- (30a), in engine compartment wiring harness |
Wiring Diagram VW GOLF 2009 - Motronic control unit - ignition system
| J220 | Motronic control unit, in plenum chamber, centre |
| 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 |
| P | Spark plug connector |
| Q | Spark plugs |
| T6d | 6-pin connector |
| T121 | 121-pin connector |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| D52 | Positive (+) connection (15a), in engine compartment wiring harness |
| D78 | Positive (+) connection -1- (30a), in engine compartment wiring harness |
Wiring Diagram VW GOLF 2009 - Motronic control unit
| J104 | ABS/ABS with EDL control unit |
| J217 | Automatic gearbox control unit |
| J220 | Motronic control unit, in plenum chamber, centre |
| T10w | 10-pin connector, white, in protective housing for connectors, in plenum chamber, left |
| T14a | 14-pin connector, near battery |
| T47a | 47-pin connector, on ABS/ABS with EDL/TCS/ESP control unit |
| T68 | 68-pin connector |
| T121 | 121-pin connector |
| 85 | Earth connection -1-, in engine compartment wiring harness |
| A121 | Connection (high bus), in dash panel wiring harness |
| A122 | Connection (low bus), in dash panel wiring harness |
| --- | Only models with automatic gearbox |
Wiring Diagram VW GOLF 2009 - Motronic control unit - accelerator pedal position sender - hall sender
| G40 | Hall sender |
| G79 | Accelerator pedal position sender |
| G185 | Accelerator pedal position sender -2- |
| J220 | Motronic control unit, in plenum chamber, centre |
| T6b | 6-pin connector |
| T10 | 10-pin connector, orange, in protective housing for connectors, in plenum chamber, left |
| T10h | 10-pin connector, blue, in control unit protective housing, in plenum chamber, left |
| T121 | 121-pin connector |
| 220 | Earth connection (sender earth), in engine wiring harness |
Wiring Diagram VW GOLF 2009 - Motronic control unit - coolant temperature sender - throttle valve control unit
| G2 | Coolant temperature sender |
| G62 | Coolant temperature sender |
| G186 | Throttle valve drive (electric throttle operation) |
| G187 | Throttle valve drive angle sender -1- (electric throttle operation) |
| G188 | Throttle valve drive angle sender -2- (electric throttle operation) |
| J220 | Motronic control unit, in plenum chamber, centre |
| J338 | Throttle valve control unit |
| T6a | 6-pin connector |
| T14a | 14-pin connector, near battery |
| T121 | 121-pin connector |
Wiring Diagram VW GOLF 2009 - Motronic control unit - engine speed sender - knock sensors
| G28 | Engine speed sender |
| G61 | Knock sensor I |
| G66 | Knock sensor II |
| J217 | Automatic gearbox control unit |
| J220 | Motronic control unit, in plenum chamber, centre |
| T3f | 3-pin connector, in engine compartment front |
| T10 | 10-pin connector, orange, in protective housing for connectors, in plenum chamber, left |
| T68 | 68-pin connector |
| T121 | 121-pin connector |
| 139 | Earth connection (sender earth), in Motronic wiring harness |
| 220 | Earth connection (sender earth), in engine wiring harness |
| * | Only models with manual gearbox |
| ** | Connection for air conditioner |
| --- | Only models with automatic gearbox |
Wiring Diagram VW GOLF 2009 - Motronic control unit - injectors
| J220 | Motronic control unit, in plenum chamber, centre |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| S232 | Fuse in fuse box |
| T14a | 14-pin connector, near battery |
| T121 | 121-pin connector |
| 131 | Earth connection -2-, in engine compartment wiring harness |
| A101 | Connection -3- (87), in dash panel wiring harness |
| D95 | Connection (injectors), in engine compartment wiring harness |
Wiring Diagram VW GOLF 2009 - Motronic control unit - lambda probe (upstream of catalytic converter) - lambda probe downstream of catalytic converter - active. charcoal filter system solenoid
| G39 | Lambda probe |
| G130 | Lambda probe downstream of catalytic converter |
| J220 | Motronic control unit, in plenum chamber, centre |
| N80 | Activated charcoal filter system solenoid valve 1 |
| T4f | 4-pin connector, near catalyst |
| T6c | 6-pin connector, near catalyst |
| T121 | 121-pin connector |
| E7 | Positive (+) connection (87a), in Motronic wiring harness |
Wiring Diagram VW GOLF 2009 - Motronic control unit - air mass meter - cruise control system brake pedal switch - brake light switch - clutch pedal switch
| F | Brake light switch |
| F36 | Clutch pedal switch |
| F47 | Cruise control system brake pedal switch |
| G70 | Air mass meter |
| J220 | Motronic control unit, in plenum chamber, centre |
| S13 | Fuse in fuse box |
| T10e | 10-pin connector, black, in control unit protective housing, in plenum chamber, left |
| T10w | 10-pin connector, white, in protective housing for connectors, in plenum chamber, left |
| T121 | 121-pin connector |
| A18 | Connection (54), in dash panel wiring harness |
| A20 | Connection (15a), in dash panel wiring harness |
| E7 | Positive (+) connection (87a), in Motronic wiring harness |
| E30 | Connection (87a), in engine wiring harness |
| * | Only models with manual gearbox |
Wiring Diagram VW GOLF 2009 - Motronic control unit - fuel pump relay - cruise control system switch (CCS)
| E45 | Cruise control system switch |
| E227 | Cruise control system (CCS) button (Set) |
| J17 | Fuel pump relay |
| J220 | Motronic control unit, in plenum chamber, centre |
| J234 | Airbag control unit |
| T6 | 6-pin connector, brown, in control unit protective housing, in plenum chamber, left |
| T10 | 10-pin connector, orange, in protective housing for connectors, in plenum chamber, left |
| T10e | 10-pin connector, black, in control unit protective housing, in plenum chamber, left |
| T10s | 10-pin connector, next to steering column |
| T75 | 75-pin connector |
| T121 | 121-pin connector |
| A20 | Connection (15a), in dash panel wiring harness |
| A27 | Connection (speed signal), in dash panel wiring harness |
| A125 | Connection (crash signal), in dash panel wiring harness |
Wiring Diagram VW GOLF 2009 - Fuel pump - fuel gauge sender - coolant shortage indicator sender
| G | Fuel gauge sender |
| G6 | Fuel pump |
| G32 | Coolant shortage indicator sender |
| S228 | Fuse in fuse box |
| S234 | Fuse in fuse box |
| S243 | Fuse in fuse box |
| T6 | 6-pin connector, brown, in control unit protective housing, in plenum chamber, left |
| T14a | 14-pin connector, near battery |
| 135 | Earth connection -2-, in dash panel wiring harness |
| 269 | Earth connection (sender earth) -1-, in dash panel wiring harness |
| 504 | Screw connection -1- (87F), on relay plate |
| A99 | Connection -1- (87), in dash panel wiring harness |
| A100 | Connection - 2- (87), in dash panel wiring harness |
| E30 | Connection (87a), in engine wiring harness |
Wiring Diagram VW GOLF 2009 - Dash panel insert - speedometer sender - coolant temperature/coolant shortage warning lamp - oil pressure warning
| F1 | Oil pressure switch |
| G22 | Speedometer sender (Hall sender, on gearbox) |
| J285 | Control unit with display in dash panel insert |
| K3 | Oil pressure warning lamp |
| K28 | Coolant temperature/coolant shortage warning lamp |
| S5 | Fuse in fuse box |
| S7 | Fuse in fuse box |
| T14a | 14-pin connector, near battery |
| T32 | 32-pin connector, blue |
| B163 | Positive (+) connection -1- (15), in interior wiring harness |
Wiring Diagram VW GOLF 2009 - Dash panel insert - 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 with display in dash panel insert |
| K2 | Alternator warning lamp |
| K105 | Reserve fuel warning lamp |
| T32 | 32-pin connector, blue |
| A13 | Connection (door contact switch), in dash panel wiring harness |
| A27 | Connection (speed signal), in dash panel wiring harness |
Wiring Diagram VW GOLF 2009 - Dash panel insert - electronic power control fault lamp - cruise control system warning lamp - multi-function display - ambient temperature indicator - exhaust emissions warning lamp - self-diagnosis connection
| E86 | Multi-function display call-up button |
| E109 | Multi-function display, memory switch |
| G17 | Ambient temperature sensor |
| J119 | Multi-function display |
| J285 | Control unit with display 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 | Electronic power control fault lamp |
| T6e | 6-pin connector |
| T16 | 16-pin connector, on left under dash panel, self-diagnosis connection |
| T32 | 32-pin connector, blue |
| T32a | 32-pin connector, green |
| A76 | Connection (diagnosis wire K), in dash panel wiring harness |
| * | Only models with multi-function display |
VW GOLF 2009 Relay plate, behind left dash panel
| Relay plate, behind left dash panel |
| Relay description: |
| - | Telephone and Telematik control unit -J526- |
| 2 - | Rear lid remote release motor relay -J398- |
| 3 - | Starter relay -J53- |
| 4 - | Fog light relay -J5- |
| - | Multifunction steering wheel control unit -J453- |
| 6 - | Multifunction steering wheel control unit -J453- |
| 8 - | Heated exterior mirror relay -J99- |
| - | Diesel direct injection system relay -J322- |
| - | Glow plug relay -J52- |
| 12 - | Electric drive main relay -J437- |
| Relay on additional support under relay plate |
| Relay description: |
| 2 - | X-contact relief relay -J59- |
| 3 - | vacant |
| 4 - | Glow plug relay -J52- |
| - | Fuel pump relay -J17- |
VW GOLF 2009 Motronic control unit J220
|
| Designation of connector: |
| A - | Motronic control unit -J220- |
| B - | 81-pin connector -T81- |
| C - | 40-pin connector -T40- |
|
| Designation of connector: |
| A - | Radiator fan control unit -J293- |
| B - | 4-pin connector, on radiator fan control unit -T4v- |
| C - | 14-pin connector, on radiator fan control unit -T14- |
|
| Designation of connector: |
| A - | Automatic gearbox control unit -J217- |
| B - | 68-pin connector, on automatic gearbox control unit -T68- |
|
| Designation of connector: |
| A - | Driver door control unit -J386- |
| B - | 29-pin connector, on driver door control unit -T29- |
|
| Designation of connector: |
| A - | Front passenger door control unit -J387- |
| B - | 29-pin connector, on front passenger door control unit -T29a- |
|
| Designation of connector: |
| A - | Rear left door control unit -J388- |
| B - | 18-pin connector, on left rear door control unit -T18- |
|
| Designation of connector: |
| A - | Rear right door control unit -J389- |
| B - | 18-pin connector, on left rear door control unit -T18b- |
|
| Designation of connector: |
| E - | Climatronic control unit -J255- |
| A - | 12-pin connector, on Climatronic control unit -T12c- |
| B - | 20-pin connector, on Climatronic control unit -T20- |
| C - | 16-pin connector, on Climatronic control unit -T16b- |
| D - | 16-pin connector, on Climatronic control unit -T16a- |
|
| Designation of connector: |
| A - | Convenience system central control unit -J393- |
| B - | 15-pin connector, on convenience system central control unit -T15- |
| C - | 23-pin connector, on convenience system central control unit -T23- |
|
| Designation of connector: |
| A - | Control unit with display in dash panel insert -J285- |
| C - | 32-pin connector, blue, on instrument cluster control unit with indicator unit -T32- |
| 1 - | Terminal 15a |
| 2 - | Right turn signal |
| 3 - | Speed signal |
| 4 - | Turn signal relay |
| 5 - | Fuel gauge sender |
| 6 - | vacant |
| 7 - | Terminal 31 |
| 8 - | Coolant temperature indicator sensor |
| 9 - | Terminal 31 |
| 10 - | Oil pressure switch |
| 11 - | vacant |
| 12 - | Alternator |
| - | Voltage regulator |
| 13 - | vacant |
| 14 - | Rear fog light bulb |
| 15 - | vacant |
| 16 - | vacant |
| 17 - | Terminal 56a |
| 18 - | Left turn signal |
| 19 - | ABS control unit |
| 20 - | Terminal 58b |
| 21 - | Door contact switch |
| 22 - | Coolant shortage indicator sender |
| 23 - | Terminal 30a |
| 24 - | Terminal 31 |
| 25 - | Terminal K |
| 26 - | Terminal 58r |
| 27 - | Terminal 58l |
| 28 - | Speedometer sender |
| 29 - | Brake fluid level warning contact |
| 30 - | Terminal 86s |
| 31 - | Front left belt switch |
| 32 - | vacant |
| B - | 32-pin connector, green, on instrument cluster control unit with indicator unit -T32a- |
| 1 - | vacant |
| 2 - | Immobilizer reader coil |
| 3 - | vacant |
| 4 - | Terminal for CAN-Bus / control |
| 5 - | Immobilizer |
| 6 - | Windscreen washer fluid level sender |
| 7 - | Brake wear indicator |
| 8 - | Terminal for CAN-Bus "high" - convenience - |
| 9 - | Terminal for CAN-Bus "low" - convenience - |
| 10 - | vacant |
| 11 - | vacant |
| 12 - | Radiator fan control unit |
| 13 - | Handbrake warning switch |
| 14 - | Terminal for ASR/ESP |
| 15 - | vacant |
| 16 - | vacant |
| 17 - | Immobilizer reader coil |
| 18 - | vacant |
| 19 - | Terminal for CAN-Bus high |
| 20 - | Terminal for CAN-Bus low |
| 21 - | vacant |
| 22 - | Contact switch on bonnet / bonnet for alarm system |
| 23 - | Multifunction display memory switch |
| 24 - | Multifunction display memory switch |
| 25 - | Multifunction display memory switch |
| 26 - | Ambient temperature sensor |
| 27 - | Terminal for CAN-Bus high |
| 28 - | Terminal for CAN-Bus low |
| 29 - | vacant |
| 30 - | Terminal for clock |
| 31 - | Terminal for data |
| 32 - | Terminal for Enable |
|
| Designation of connector: |
| A - | Airbag control unit -J234- |
| B - | 75-pin connector, on airbag control unit -T75- |
|
| Designation of connector: |
| A - | ABS control unit -J104- |
| B - | 47-pin connector, on ABS control unit -T47- |
|
| Designation of connector: |
| A - | Parking aid control unit -J446- |
| B - | 16-pin connector, on parking aid control unit -T16z- |
| C - | 12-pin connector, on parking aid control unit -T12ka- |
