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Wiring Diagram VW MAGOTAN B7L 2012 - Battery - Starter - Alternator with voltage regulator - Onboard supply control unit - Terminal 50 voltage supply relay - Voltage supply relay 2
| A | Battery |
| B | Starter |
| CX1 | Alternator with voltage regulator |
| J519 | Onboard supply control unit |
| J682 | Terminal 50 voltage supply relay |
| J710 | Voltage supply relay 2 |
| T1v | Single connector |
| T2gc | 2-pin connector |
| T4a | 4-pin connector |
| T52b | 52-pin connector |
| T52c | 52-pin connector |
| 12 | Earth point, on left in engine compartment |
| 18 | Earth point, on cylinder block |
| 652 | Earth point, engine and gearbox earth |
| B334 | Positive connection 20 (30a) in main wiring harness |
| B571 | Connection 38, in main wiring harness |
| * | Only models with 7-speed dual clutch gearbox 0AM (S tronic) |
| *2 | Up to August 2012 |
| *3 | Only models with dual clutch gearbox 02E |
| *4 | From August 2012 |
Wiring Diagram VW MAGOTAN B7L 2012 - Terminal 15 voltage supply relay - Fuse holder A - Fuse holder C
| J329 | Terminal 15 voltage supply relay |
| SA | Fuse holder A |
| SA6 | Fuse 6 in fuse holder A |
| SC | Fuse holder C |
| SC3 | Fuse 3 on fuse holder C |
| SC10 | Fuse 10 on fuse holder C |
| SC36 | Fuse 36 on fuse holder C |
| 508 | Threaded connection (30) on E-box |
| B290 | Positive connection 14 (15a) in main wiring harness |
| B291 | Positive connection 15 (15a) in main wiring harness |
| B334 | Positive connection 20 (30a) in main wiring harness |
| B571 | Connection 38, in main wiring harness |
| * | Up to August 2012 |
| *2 | From October 2011 |
| *3 | From August 2012 |
Wiring Diagram VW MAGOTAN B7L 2012 - Engine component current supply relay - Fuse holder A - Fuse holder B
| J757 | Engine component current supply relay |
| SA | Fuse holder A |
| SA1 | Fuse 1 in fuse holder A |
| SA3 | Fuse 3 in fuse holder A |
| SB | Fuse holder B |
| SB17 | Fuse 17 on fuse holder B |
| T40 | 40-pin connector |
| 249 | Earth connection 2, in interior wiring harness |
| 639 | Earth point, left A-pillar |
Wiring Diagram VW MAGOTAN B7L 2012 - Main relay - Fuse holder B
| J271 | Main relay |
| SB | Fuse holder B |
| SB10 | Fuse 10 on fuse holder B |
| SB11 | Fuse 11 on fuse holder B |
| SB13 | Fuse 13 on fuse holder B |
| SB30 | Fuse 30 on fuse holder B |
| T40 | 40-pin connector |
| B325 | Positive connection 11 (30a) in main wiring harness |
Wiring Diagram VW MAGOTAN B7L 2012 - Engine control unit - Fuse holder B
| J623 | Engine control unit, central in plenum chamber |
| SB | Fuse holder B |
| SB14 | Fuse 14 on fuse holder B |
| SB16 | Fuse 16 on fuse holder B |
| SB18 | Fuse 18 on fuse holder B |
| SB20 | Fuse 20 on fuse holder B |
| SB23 | Fuse 23 on fuse holder B |
| SB24 | Fuse 24 on fuse holder B |
| T14a | 14-pin connector |
| T40 | 40-pin connector |
| T94 | 94-pin connector |
| 131 | Earth connection 2, in engine compartment wiring harness |
| 306 | Earth connection (ignition coils), in engine prewiring harness |
| 645 | Earth point 1, on bulkhead |
| 673 | Earth point 3, on front of left longitudinal member |
| B358 | Positive connection 9 (87a) in main wiring harness |
Wiring Diagram VW MAGOTAN B7L 2012 - Engine control unit - Ignition coil 1 with output stage - Ignition coil 2 with output stage - Ignition coil 3 with output stage - Ignition coil 4 with output stage - Spark plug connector - Spark plugs
| J623 | Engine control unit, central in plenum chamber |
| 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 |
| T4be | 4-pin connector |
| T4bf | 4-pin connector |
| T4bg | 4-pin connector |
| T4bh | 4-pin connector |
| T14a | 14-pin connector |
| T60 | 60-pin connector |
| T94 | 94-pin connector |
| 15 | Earth point, on cylinder head |
| 306 | Earth connection (ignition coils), in engine prewiring harness |
| 458 | Earth point 3, engine prewiring harness |
| D181 | Connection 2 (87a) in engine compartment wiring harness |
Wiring Diagram VW MAGOTAN B7L 2012 - Accelerator position sender - Accelerator position sender 2 - Throttle valve drive for electric throttle - Throttle valve drive angle sender 1 for electric throttle - Throttle valve drive angle sender 2 for electric throttle - Engine control unit
| G79 | Accelerator position sender |
| G185 | Accelerator position sender 2 |
| G186 | Throttle valve drive for electric throttle |
| G187 | Throttle valve drive angle sender 1 for electric throttle |
| G188 | Throttle valve drive angle sender 2 for electric throttle |
| J623 | Engine control unit, central in plenum chamber |
| T6as | 6-pin connector |
| T6q | 6-pin connector |
| T60 | 60-pin connector |
| T94 | 94-pin connector |
Wiring Diagram VW MAGOTAN B7L 2012 - Engine speed sender - Hall sender - Fuel pressure sender - Engine control unit - Connection 3 in engine compartment wiring harness
| G28 | Engine speed sender |
| G40 | Hall sender |
| G247 | Fuel pressure sender |
| J623 | Engine control unit, central in plenum chamber |
| T2jp | 2-pin connector |
| T3bj | 3-pin connector |
| T3br | 3-pin connector |
| T6bu | 6-pin connector, near cylinder head |
| T60 | 60-pin connector |
| D103 | Connection 3 in engine compartment wiring harness |
| D174 | Connection 2 (5V) in engine prewiring harness |
Wiring Diagram VW MAGOTAN B7L 2012 - Charge pressure sender - Knock sensor 1 - Intake manifold flap potentiometer - Engine control unit - Connection 3 in engine compartment wiring harness
| G31 | Charge pressure sender |
| G61 | Knock sensor 1 |
| G336 | Intake manifold flap potentiometer |
| J623 | Engine control unit, central in plenum chamber |
| T3be | 3-pin connector |
| T3bh | 3-pin connector |
| T4bm | 4-pin connector |
| T6bu | 6-pin connector, near cylinder head |
| T14a | 14-pin connector, on left in engine compartment |
| T60 | 60-pin connector |
| D103 | Connection 3 in engine compartment wiring harness |
| D107 | Connection 5 in engine compartment wiring harness |
Wiring Diagram VW MAGOTAN B7L 2012 - Intake air temperature sender - Coolant temperature sender - Air mass meter - Radiator outlet coolant temperature sender - Engine control unit
| G42 | Intake air temperature sender |
| G62 | Coolant temperature sender |
| G70 | Air mass meter |
| G83 | Radiator outlet coolant temperature sender, black |
| J623 | Engine control unit, central in plenum chamber |
| T5f | 5-pin connector |
| T60 | 60-pin connector |
| T94 | 94-pin connector |
| D101 | Connection 1 in engine compartment wiring harness |
Wiring Diagram VW MAGOTAN B7L 2012 - Engine control unit - Injector - cylinder 1 - Injector - cylinder 2 - Injector - cylinder 3 - Injector - cylinder 4
| J623 | Engine control unit, central in plenum chamber |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| T8y | 8-pin connector, near cylinder head |
| T60 | 60-pin connector |
Wiring Diagram VW MAGOTAN B7L 2012 - Electronic ignition lock - Radiator fan control unit - Engine control unit - Control unit for terminal control and engine start - Fuel pressure regulating valve - Radiator fan - Radiator fan 2
| D9 | Electronic ignition lock |
| J293 | Radiator fan control unit |
| J623 | Engine control unit, central in plenum chamber |
| J942 | Control unit for terminal control and engine start |
| N276 | Fuel pressure regulating valve |
| T2be | 2-pin connector, on lock carrier |
| T4i | 4-pin connector, on lock carrier |
| T14a | 14-pin connector, on left in engine compartment |
| T16f | 16-pin connector |
| T32g | 32-pin connector |
| T60 | 60-pin connector |
| T94 | 94-pin connector |
| V7 | Radiator fan |
| V177 | Radiator fan 2 |
| 671 | Earth point 1, on front of left longitudinal member |
| B729 | Connection 1 (50), in main wiring harness |
| * | see applicable current flow diagram for entry and start authorisation |
| *2 | Only models with entry and start authorisation |
Wiring Diagram VW MAGOTAN B7L 2012 - Engine control unit - Charge pressure control solenoid valve - Activated charcoal filter solenoid valve 1 - Camshaft control valve 1 - Turbocharger air recirculation valve - Intake manifold flap valve - Valve for oil pressure control
| J623 | Engine control unit, central in plenum chamber |
| N75 | Charge pressure control solenoid valve |
| N80 | Activated charcoal filter solenoid valve 1 |
| N205 | Camshaft control valve 1 |
| N249 | Turbocharger air recirculation valve |
| N316 | Intake manifold flap valve |
| N428 | Valve for oil pressure control |
| T14a | 14-pin connector |
| T60 | 60-pin connector |
| D180 | Connection (87a), in engine compartment wiring harness |
Wiring Diagram VW MAGOTAN B7L 2012 - Lambda probe - Lambda probe after catalytic converter - Engine control unit - Lambda probe heater - Lambda probe 1 heater after catalytic converter
| G39 | Lambda probe |
| G130 | Lambda probe after catalytic converter |
| J623 | Engine control unit, central in plenum chamber |
| T4no | 4-pin connector |
| T6w | 6-pin connector |
| T94 | 94-pin connector |
| Z19 | Lambda probe heater |
| Z29 | Lambda probe 1 heater after catalytic converter |
| D189 | Connection (87a) in engine prewiring harness |
Wiring Diagram VW MAGOTAN B7L 2012 - Continued coolant circulation relay - Engine control unit - Continued coolant circulation pump
| J151 | Continued coolant circulation relay |
| J623 | Engine control unit, central in plenum chamber |
| T2ck | 2-pin connector |
| T94 | 94-pin connector |
| V51 | Continued coolant circulation pump |
| 371 | Earth connection 6, in main wiring harness |
| 673 | Earth point 3, on front of left longitudinal member |
| B509 | Connection 3 (diagnosis), in main wiring harness |
| D182 | Connection 3 (87a) in engine compartment wiring harness |
Wiring Diagram VW MAGOTAN B7L 2012 - Brake light switch - Steering column electronics control unit - Engine control unit - Mechatronic unit for dual clutch gearbox
| F | Brake light switch |
| J527 | Steering column electronics control unit |
| J623 | Engine control unit, central in plenum chamber |
| J743 | Mechatronic unit for dual clutch gearbox |
| T4f | 4-pin connector |
| T16o | 16-pin connector |
| T20m | 20-pin connector |
| T25 | 25-pin connector |
| T60 | 60-pin connector |
| T94 | 94-pin connector |
| 398 | Earth connection 33, in main wiring harness |
| 645 | Earth point 1, on bulkhead |
| B335 | Connection 1 (54), in main wiring harness |
| B383 | Connection 1 (powertrain CAN bus, high), in main wiring harness |
| B390 | Connection 1 (powertrain CAN bus, low), in main wiring harness |
| B441 | Connection (CCS), in main wiring harness |
| * | Only models with adaptive cruise control (ACC) |
| *2 | Only models with 6-cylinder engine |
| *3 | Only models with 7-speed dual clutch gearbox 0AM (S tronic) |
| *4 | Only models with cruise control system (CCS) |
Wiring Diagram VW MAGOTAN B7L 2012 - Fuel gauge sender - Fuel system pressurisation pump - Data bus diagnostic interface - Fuel pump control unit
| G | Fuel gauge sender |
| G6 | Fuel system pressurisation pump |
| J533 | Data bus diagnostic interface |
| J538 | Fuel pump control unit |
| T5a | 5-pin connector |
| T10p | 10-pin connector |
| T16d | 16-pin connector, on diagnostic connection |
| T20e | 20-pin connector |
| 78 | Earth point, lower part of right B-pillar |
| 295 | Earth connection 10, in interior wiring harness |
| B383 | Connection 1 (powertrain CAN bus, high), in main wiring harness |
| B390 | Connection 1 (powertrain CAN bus, low), in main wiring harness |
| B713 | Connection 1 (CAN bus diagnosis, high), in main wiring harness |
| B714 | Connection 1 (CAN bus diagnosis, low), in main wiring harness |
Wiring Diagram VW MAGOTAN B7L 2012 - Coolant shortage indicator sender - Control unit in dash panel insert - Dash panel insert - Alternator warning lamp - Oil pressure warning lamp - Coolant temperature and coolant shortage warning lamp - Cruise control system warning lamp - Reserve fuel warning lamp
| G32 | Coolant shortage indicator sender |
| J285 | Control unit in dash panel insert |
| K | Dash panel insert |
| K2 | Alternator warning lamp |
| K3 | Oil pressure warning lamp |
| K28 | Coolant temperature and coolant shortage warning lamp |
| K31 | Cruise control system warning lamp |
| K105 | Reserve fuel warning lamp |
| T32c | 32-pin connector |
| 295 | Earth connection 10, in interior wiring harness |
| B708 | Connection 1 (dash panel insert CAN bus high) in main wiring harness |
| B709 | Connection 1 (dash panel insert CAN bus low) in main wiring harness |
Wiring Diagram VW MAGOTAN B7L 2012 - Oil pressure switch - Oil pressure switch for reduced oil pressure - Fuel gauge - Coolant temperature gauge - Rev. counter - Oil level and oil temperature sender - Buzzer and gong - Control unit in dash panel insert - Dash panel insert - Oil level warning lamp - Electronic power control fault lamp
| F1 | Oil pressure switch |
| F378 | Oil pressure switch for reduced oil pressure |
| G1 | Fuel gauge |
| G3 | Coolant temperature gauge |
| G5 | Rev. counter |
| G266 | Oil level and oil temperature sender |
| H3 | Buzzer and gong |
| J285 | Control unit in dash panel insert |
| K | Dash panel insert |
| K38 | Oil level warning lamp |
| K132 | Electronic power control fault lamp |
| T3bu | 3-pin connector |
| T6e | 6-pin connector |
| T14a | 14-pin connector, on left in engine compartment |
| T32c | 32-pin connector |
| B163 | Positive connection 1 (15), in interior wiring harness |
| * | Up to January 2014 |
| *2 | From January 2014 |