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Wiring Diagram VW GOLF 2014 - Battery - starter - alternator - voltage regulator
| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
| J623 | Engine control unit |
| J864 | Starter inhibitor relay 2 |
| S164 | Fuse 3 (30) in fuse holder on battery |
| S176 | Fuse 4 (30) in fuse holder on battery |
| S177 | Fuse 5 (30) in fuse holder on battery |
| S180 | Fuse 8 (30) in fuse holder on battery |
| T1a | Single pin connector, on the battery |
| T2o | 2-pin connector, on alternator |
| T3r | 3-pin connector, near battery |
| T4w | 4-pin connector, near starter |
| T9k | 9-pin connector, on starter inhibitor relay 2 |
| 1 | Earth strap, battery - body |
| 2 | Earth strap, gearbox - body |
| 500 | Screw connection 1 (30), on relay plate |
| 507 | Screw connection (30), on fuse holder on battery |
| D142 | Connection, in engine wiring harness |
| * | 2.0 l - engine with 6-speed automatic gearbox |
Wiring Diagram VW GOLF 2014 - Ignition/starter switch - X-contact relief relay
| D | Ignition/starter switch |
| J59 | X-contact relief relay |
| J864 | Starter inhibitor relay 2 |
| SA10 | Fuse 10 on fuse holder A |
| SA16 | Fuse 16 on fuse holder A |
| SA25 | Fuse 25 on fuse holder A |
| T8c | 8-pin connector, on ignition/starter switch |
| T9k | 9-pin connector, on starter inhibitor relay 2 |
| T17a | 17-pin connector, behind centre dash panel |
| 501 | Screw connection 2 (30), on relay plate |
| 503 | Screw connection (75x), on relay plate |
| D50 | Positive connection (30), in engine compartment wiring harness |
| D51 | Positive connection 1 (15), in engine compartment wiring harness |
| D104 | Positive connection 2 (30a), in engine compartment wiring harness |
| D144 | Positive connection 5 (30), in engine compartment wiring harness |
| D158 | Positive connection (X), in engine compartment wiring harness |
| * | 2.0 l - engine with 6-speed automatic gearbox |
Wiring Diagram VW GOLF 2014 - Radiator fan control unit - air conditioning system magnetic coupling
| J293 | Radiator fan control unit |
| J623 | Engine control unit |
| N25 | Air conditioning system magnetic coupling |
| T2br | 2-pin connector, on air conditioning system magnetic clutch |
| T4w | 4-pin connector, near starter |
| T12e | 12-pin connector, behind centre dash panel |
| T14b | 14-pin connector, on radiator fan control unit |
| T17a | 17-pin connector, behind centre dash panel |
| D61 | Connection (air conditioning system), in engine compartment wiring harness |
| D78 | Positive connection 1 (30a), in engine compartment wiring harness |
| D121 | Connection 19, in engine compartment wiring harness |
| * | Engine code AUQ with automatic gearbox |
Wiring Diagram VW GOLF 2014 - Radiator fan thermal switch - radiator fan control unit - radiator fan
| F18 | Radiator fan thermal switch |
| J293 | Radiator fan control unit |
| T3t | 3-pin connector, on radiator fan thermal switch |
| T3x | 3-pin connector, on radiator fan |
| T4ag | 4-pin connector, on radiator fan control unit |
| T14b | 14-pin connector, on radiator fan control unit |
| T16a | 16-pin connector, diagnostic |
| V7 | Radiator fan |
| 42 | Earth point, next to steering column |
| 80 | Earth connection 1, in instruments wiring harness |
| 85 | Earth connection 1, in engine compartment wiring harness |
| D114 | Connection 13, in engine compartment wiring harness |
| D115 | Connection 13, in engine compartment wiring harness |
| D116 | Connection 14, in engine compartment wiring harness |
Wiring Diagram VW GOLF 2014 - High-pressure sender - radiator fan on right of radiator - continued coolant circulation pump
| G65 | High pressure sender |
| SA5 | Fuse 5 on fuse holder A |
| T2dz | 2-pin connector, on continued coolant circulation pump |
| T3e | 3-pin connector, on high pressure sender |
| T3y | 3-pin connector, on radiator fan on right |
| T4w | 4-pin connector, near starter |
| T16a | 16-pin connector, diagnostic |
| T17a | 17-pin connector, behind centre dash panel |
| V35 | Right radiator fan |
| V51 | Continued coolant circulation pump |
| 12 | Earth point, on left in engine compartment |
| 417 | Earth connection 9, in engine compartment wiring harness |
| A20 | Positive connection (15a), in dash panel wiring harness |
| * | Engine code AUQ with automatic gearbox |
Wiring Diagram VW GOLF 2014 - Fresh air intake duct temperature sensor - footwell vent temperature sender - evaporator output temperature sender - climatronic control unit
| G89 | Fresh air intake duct temperature sensor |
| G192 | Footwell vent temperature sender |
| G263 | Evaporator out-flow temperature sender |
| J255 | Climatronic control unit |
| J623 | Engine control unit |
| T2cg | 2-pin connector, on fresh air intake duct temperature sensor |
| T2ch | 2-pin connector, on footwell vent temperature sender |
| T2cj | 2-pin connector, on evaporator output temperature sender |
| T12b | 12-pin connector, on Climatronic control unit |
| T16d | 16-pin connector, on Climatronic control unit |
| T17a | 17-pin connector, behind centre dash panel |
| T20a | 20-pin connector, on Climatronic control unit |
| 243 | Earth connection 1, in Climatronic wiring harness |
| D112 | Connection 10, in engine compartment wiring harness |
| D155 | Connection 1 (air conditioning system pressure switch), in engine compartment wiring harness |
Wiring Diagram VW GOLF 2014 - Climatronic control unit
| J255 | Climatronic control unit |
| J623 | Engine control unit |
| T12b | 12-pin connector, on Climatronic control unit |
| T12e | 12-pin connector, behind centre dash panel |
| T14d | 14-pin connector, in left engine compartment |
| T16d | 16-pin connector, on Climatronic control unit |
| T17a | 17-pin connector, behind centre dash panel |
| A4 | Positive connection (58b), in dash panel wiring harness |
| A49 | Connection 1, in dash panel wiring harness |
| D91 | Connection (speed signal), in engine compartment wiring harness |
| D211 | Connection 29, in engine compartment wiring harness |
| L46 | Connection (5 Volt), in Climatronic operating unit wiring harness |
Wiring Diagram VW GOLF 2014 - Ambient temperature sensor - fresh air blower control unit - climatronic control unit - fresh air blower
| G17 | Ambient temperature sensor |
| J126 | Fresh air blower control unit |
| J255 | Climatronic control unit |
| T2cl | 2-pin connector, on fresh air blower |
| T2q | 2-pin connector, on ambient temperature sensor |
| T3ad | 3-pin connector, on fresh air blower control unit |
| T12b | 12-pin connector, on Climatronic control unit |
| T12e | 12-pin connector, behind centre dash panel |
| T16b | 16-pin connector, on Climatronic control unit |
| T16d | 16-pin connector, on Climatronic control unit |
| T20a | 20-pin connector, on Climatronic control unit |
| V2 | Fresh air blower |
| 43 | Earth point, lower part of right A-pillar |
| 257 | Earth connection 2, in Climatronic wiring harness |
| L55 | Connection (X), in Climatronic wiring harness |
Wiring Diagram VW GOLF 2014 - Climatronic control unit - temperature flap control motor - centre flap control motor - footwell and defroster flap control motor
| G92 | Temperature flap control motor potentiometer |
| G112 | Central flap control motor potentiometer |
| G114 | Footwell/defroster flap control motor potentiometer |
| J255 | Climatronic control unit |
| T6x | 6-pin connector, on temperature flap control motor |
| T6y | 6-pin connector, on central flap control motor |
| T6z | 6-pin connector, on footwell and defroster flap control motor |
| T16b | 16-pin connector, on Climatronic control unit |
| T20a | 20-pin connector, on Climatronic control unit |
| V68 | Temperature flap control motor |
| V70 | Central flap control motor |
| V85 | Footwell and defroster flap control motor |
Wiring Diagram VW GOLF 2014 - Sunlight penetration photosensor - potentiometer for air flow flap control motor - Climatronic control unit - Air flow flap control motor
| G107 | Sunlight penetration photosensor |
| G113 | Air flow flap control motor potentiometer |
| J255 | Climatronic control unit |
| T3ae | 3-pin connector, on sunlight penetration photosensor |
| T5n | 5-pin connector, on Air flow flap control motor |
| T12e | 12-pin connector, behind centre dash panel |
| T16b | 16-pin connector, on Climatronic control unit |
| T17a | 17-pin connector, behind centre dash panel |
| T20a | 20-pin connector, on Climatronic control unit |
| V71 | Air flow flap control motor |
| 328 | Earth connection 2 (sender earth), in engine compartment wiring harness |
Wiring Diagram VW GOLF 2014 - Rev. counter - control unit with display in dash panel insert - dash panel insert - alternator warning lamp - digital display illumination bulb
| G5 | Rev. counter |
| J285 | Control unit with display in dash panel insert |
| K | Dash panel insert |
| K2 | Alternator warning lamp |
| L75 | Digital display illumination bulb |
| T32a | 32-pin connector, on control unit with display in dash panel insert |
| T32b | 32-pin connector, on control unit with display in dash panel insert |
VW GOLF 2014 Engine control unit (80-pin) J623
| Engine control unit (80-pin) -J623- |
|
| Designation of connector: |
| A - | Engine control unit -J623- |
| B/C - | 80-pin connector, on engine control unit -T80a- |
|
|
| Designation of connector: |
| A - | Engine control unit -J623- |
| B/C - | 121-pin connector, on engine control unit -T121a- |
|
|
| Designation of connector: |
| A - | Radiator fan control unit -J293- |
| B - | 4-pin connector, on radiator fan control unit -T4ag- |
| C - | 14-pin connector, on radiator fan control unit -T14b- |
|
|
| Designation of connector: |
| A - | Automatic gearbox control unit -J217- |
| B - | 52-pin connector, on automatic transmission control unit -T52a- |
|
|
| Designation of connector: |
| A - | Automatic gearbox control unit -J217- |
| B - | 68-pin connector, on automatic transmission control unit -T68b- |
|
|
| Designation of connector: |
| A - | Driver door control unit -J386- |
| B - | 29-pin connector, on driver door control unit -T29a- |
|
|
| Designation of connector: |
| A - | Front passenger door control unit -J387- |
| B - | 29-pin connector, on front passenger door control unit -T29b- |
|
|
| Designation of connector: |
| A - | Rear left door control unit -J388- |
| B - | 18-pin connector, on left rear door control unit -T18c- |
|
|
| Designation of connector: |
| A - | Rear right door control unit -J389- |
| B - | 18-pin connector, on left rear door control unit -T18d- |
|
|
| Designation of connector: |
| E - | Climatronic control unit -J255- |
| A - | 12-pin connector, on Climatronic control unit -T12b- |
| B - | 20-pin connector, on Climatronic control unit -T20a- |
| C - | 16-pin connector, on Climatronic control unit -T16d- |
| D - | 16-pin connector, on Climatronic control unit -T16b- |
|
|
| Designation of connector: |
| A - | Convenience system central control unit -J393- |
| B - | 15-pin connector, on convenience system central control unit -T15a- |
| C - | 23-pin connector, on convenience system central control unit -T23b- |
|
|
| Designation of connector: |
| A - | Multifunction steering wheel control unit -J453- |
| B - | 18-pin connector, on multi-function steering wheel control unit -T18b- |
|
|
| Designation of connector: |
| A - | Control unit with display in dash panel insert -J285- |
| C - | 32-pin connector, on control unit with display in dash panel insert -T32a- |
| 1 - | Terminal 15a |
| 2 - | Right turn signal |
| 3 - | Speed signal |
| 4 - | Turn signal relay |
| 5 - | Fuel gauge sender |
| 6 - | Terminal 31 |
| 7 - | Terminal 31, sensor earth |
| 8 - | Coolant temperature indicator sensor |
| q | up to June 2007 |
| 9 - | Terminal 31 |
| 10 - | Oil pressure switch |
| 11 - | vacant |
| 12 - | Alternator |
| - | Voltage regulator |
| 13 - | vacant |
| 14 - | Rear fog light bulb |
| 15 - | vacant |
| 16 - | Rear lid release switch |
| 17 - | Terminal 56a - high beam - |
| 18 - | Left turn signal |
| 19 - | vacant |
| 20 - | Terminal 58b - tail lights - |
| 21 - | Door contact switch |
| q | up to December 2007 |
| 22 - | Coolant shortage indicator sender |
| 23 - | Terminal 30a |
| 24 - | Terminal 31 |
| 25 - | Terminal K/W - engine diagnosis - |
| 26 - | Terminal 58r - right parking light - |
| 27 - | Terminal 58l - left parking light - |
| 28 - | Speedometer sender |
| 29 - | Brake fluid level warning contact |
| 30 - | Terminal 86s |
| 31 - | Front left belt switch |
| q | up to August 2009 |
| 32 - | vacant |
| B - | 32-pin connector, on control unit with display in dash panel insert -T32b- |
| 1 - | vacant |
| 2 - | Immobilizer reader coil |
| 3 - | vacant |
| 4 - | vacant |
| 5 - | Terminal K/W - engine diagnosis - |
| 6 - | Windscreen washer fluid level sender |
| q | up to September 2007 |
| 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 - | vacant |
| 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 |
| q | up to June 2007 |
| 23 - | Intermittent wiper regulator |
| 24 - | Intermittent wiper regulator |
| 25 - | Intermittent wiper regulator |
| 26 - | Ambient temperature sensor |
| 27 - | Terminal for CAN-Bus high |
| 28 - | Terminal for CAN-Bus low |
| 29 - | vacant |
| 30 - | vacant |
| 31 - | vacant |
| 32 - | vacant |
|
|
| Designation of connector: |
| A - | Airbag control unit -J234- |
| B - | 75-pin connector, on airbag control unit -T75a- |
|
|
| Designation of connector: |
| A - | ABS control unit -J104- |
| B - | 47-pin connector, on ABS control unit -T47a- |
|
|
| Designation of connector: |
| A - | Parking aid control unit -J446- |
| B - | 16-pin connector, on parking aid control unit -T16e- |
| C - | 12-pin connector, on parking aid control unit -T12d- |
|
|
| Designation of connector: |
| A - | Fresh air blower control unit -J126- |
| B - | 3-pin connector, on fresh air blower control unit -T3ad- |
|
|
| Designation of connector: |
| A - | Control unit for interactive system -J879- |
| B - | 16-pin connector, on control unit for interactive system -T16f- |
|
|
| Designation of connector: |
| A - | Control unit for lighting and wiper functions -J917- |
| B - | 12-pin connector, on control unit for lighting and wiper functions -T12h- |
| C - | 16-pin connector, on control unit for lighting and wiper functions -T16g- |
|
|
| Designation of connector: |
| A - | Heated driver seat control unit -J131- |
| B - | 6-pin connector, on heated driver seat control unit -T6p- |
|
|
| Designation of connector: |
| A - | Heated front passenger seat control unit -J132- |
| B - | 6-pin connector, on heated front passenger seat control unit -T6q- |
|
|
| Designation of connector: |
| A - | Sliding sunroof adjustment control unit -J245- |
| B - | 6-pin connector, on sliding sunroof adjustment control unit -T6m- |
| C - | 6-pin connector, on control for sliding sunroof adjustment -T6v- |
|
|
| Designation of connector: |
| A - | Mirror memory control unit -J267- |
| B - | 18-pin connector, on mirror memory control unit -T18e- |
