Wiring Diagram VW PASSAT CC 2016 - Battery - starter - terminal 15 voltage supply relay - terminal 50 voltage supply relay - fuses

| A | Battery |
| B | Starter |
| J329 | Terminal 15 voltage supply relay |
| J519 | Onboard supply control unit |
| J682 | Terminal 50 voltage supply relay, on relay carrier on left under dash panel (433) |
| SC3 | Fuse 3 on fuse holder C |
| SC10 | Fuse 10 on fuse holder C |
| SC18 | Fuse 18 on fuse holder C |
| SC27 | Fuse 27 on fuse holder C |
| T1v | Single connector |
| T2cq | 2-pin connector |
| T8t | 8-pin connector |
| T11 | 11-pin connector |
| 12 | Earth point, on left in engine compartment |
| 249 | Earth connection 2, in interior wiring harness |
| 639 | Earth point, left A-pillar |
| B289 | Connection 13 (15a), in main wiring harness |
| B290 | Connection 14 (15a), in main wiring harness |
| B291 | Connection 15 (15a), in main wiring harness |
| B555 | Positive connection 2 (50), in main wiring harness |
| B571 | Connection 38, in main wiring harness |
| * | Applicable up to October 2008 |
| ** | Applicable from November 2008 |
| *** | Only models for cold countries |
Wiring Diagram VW PASSAT CC 2016 - Alternator - terminal 30 voltage supply relay - fuses
| C | Alternator |
| C1 | Voltage regulator |
| J317 | Terminal 30 voltage supply, on E-box, on left in engine compartment (458) |
| J519 | Onboard supply control unit |
| S204 | Fuse 1 (30) |
| SA1 | Fuse 1 on fuse holder A |
| SA3 | Fuse 3 on fuse holder A |
| SA4 | Fuse 4 on fuse holder A |
| T2gd | 2-pin connector |
| T4a | 4-pin connector, near starter |
| T8t | 8-pin connector |
| T40 | 40-pin connector |
| 12 | Earth point, on left in engine compartment |
| 502 | Threaded connection 1 (30a) on relay plate |
| 507 | Threaded connection (30), on battery fuse holder |
| 513 | Threaded connection 3 (30a) on relay plate |
| 514 | Threaded connection 4 (30a) on relay plate |
| 652 | Earth point, engine and gearbox earth |
| B330 | Connection 16 (30a), in main wiring harness |
| B344 | Connection 1 (61), in main wiring harness |
| * | Only models with 180 A alternator |
| ** | Only models with 140 A alternator |
Wiring Diagram VW PASSAT CC 2016 - Fuel pump relay - electric fuel pump 2 relay - supplementary fuel pump relay - fuel pump 2 - fuses
| J17 | Fuel pump relay, on relay carrier under dash panel on left (449) |
| J49 | Electric fuel pump 2 relay, on relay carrier on left under dash panel (449) |
| J519 | Onboard supply control unit |
| J832 | Relay for supplementary fuel pump |
| SB10 | Fuse 10 on fuse holder B |
| SB13 | Fuse 13 on fuse holder B |
| SB14 | Fuse 14 on fuse holder B |
| SB16 | Fuse 16 on fuse holder B |
| SB17 | Fuse 17 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 |
| SB28 | Fuse 28 on fuse holder B |
| SB30 | Fuse 30 on fuse holder B |
| T40 | 40-pin connector |
| V277 | Fuel pump 2 |
| 645 | Earth point 1, on bulkhead |
| B317 | Connection 3 (30a), in main wiring harness |
| B359 | Connection 10 (87a), in main wiring harness |
| B362 | Connection 13 (87a), in main wiring harness |
| B429 | Connection (EFPR), in main wiring harness |
| * | Only models with engine code CBBB |
| ** | Push-in bridge on relay slot R1 |
| --- | Only models with auxiliary coolant heater |
Wiring Diagram VW PASSAT CC 2016 - Engine control unit - injectors for cylinders 1-4
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| N30 | Injector, cylinder 1 |
| N31 | Injector, cylinder 2 |
| N32 | Injector, cylinder 3 |
| N33 | Injector, cylinder 4 |
| T60 | 60-pin connector |
| T94 | 94-pin connector |
| 131 | Earth connection 2, in engine compartment wiring harness |
| 645 | Earth point 1, on bulkhead |
| D78 | Positive connection 1 (30a), in engine compartment wiring harness |
| D182 | Connection 3 (87a), in engine compartment wiring harness |
Wiring Diagram VW PASSAT CC 2016 - Engine control unit - intake air temperature sender - charge air pressure sender - accelerator position sender - crankcase breather heater element
| G31 | Charge air pressure sender |
| G42 | Intake air temperature sender |
| G79 | Accelerator position sender |
| G185 | Accelerator position sender 2 |
| J359 | Low heat output relay |
| J360 | High heat output relay |
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| N79 | Crankcase breather heater element |
| T2gm | 2-pin connector, black |
| T4bo | 4-pin connector |
| T4nu | 4-pin connector, black |
| T6q | 6-pin connector |
| T94 | 94-pin connector |
| 645 | Earth point 1, on bulkhead |
| * | Only models for cold countries |
| ** | Applicable from May 2009 |
| *** | Applicable to April 2009 |
Wiring Diagram VW PASSAT CC 2016 - Engine control unit - Lambda probe - fuel pressure regulating valve - fuel metering valve
| G39 | Lambda probe |
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| N276 | Fuel pressure regulating valve |
| N290 | Fuel metering valve |
| T2jw | 2-pin connector |
| T2jx | 2-pin connector |
| T6ac | 6-pin connector, black, coupling point for Lambda probe |
| T14a | 14-pin connector, black, coupling point 1 on left in engine compartment |
| T60 | 60-pin connector |
| T94 | 94-pin connector |
| Z19 | Lambda probe heater |
| D111 | Connection 9, in engine compartment wiring harness |
| * | Only models with engine code CBBB |
Wiring Diagram VW PASSAT CC 2016 - Engine control unit - exhaust temperature sender - radiator outlet coolant temperature sender
| G83 | Radiator outlet coolant temperature sender |
| G235 | Exhaust temperature sender 1 |
| G495 | Exhaust temperature sender 3 |
| G648 | Exhaust temperature sender 4 |
| J519 | Onboard supply control unit |
| J623 | Engine control unit, central in plenum chamber |
| T2eh | 2-pin connector |
| T2jy | 2-pin connector, black |
| T2jz | 2-pin connector, brown |
| T2ka | 2-pin connector, brown |
| T10ap | 10-pin connector, near left headlight |
| T60 | 60-pin connector |
| T94 | 94-pin connector |
| 327 | Earth connection (sender earth), in engine compartment wiring harness |
| * | Only models with engine code CBBB |
Wiring Diagram VW PASSAT CC 2016 - Engine control unit - air mass meter - charge pressure control solenoid valve - exhaust gas recirculation cooler changeover valve
| G70 | Air mass meter |
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| N75 | Charge pressure control solenoid valve |
| N345 | Exhaust gas recirculation cooler changeover valve |
| T2at | 2-pin connector |
| T2fc | 2-pin connector |
| T5f | 5-pin connector |
| T10ap | 10-pin connector, near left headlight |
| T14a | 14-pin connector, black, coupling point 1 on left in engine compartment |
| T60 | 60-pin connector |
| T94 | 94-pin connector |
| B574 | Connection 20 (87a), in main wiring harness |
Wiring Diagram VW PASSAT CC 2016 - Engine control unit - throttle valve module - throttle valve potentiometer - fuel temperature sender - coolant temperature sender - engine speed sender
| G28 | Engine speed sender |
| G62 | Coolant temperature sender |
| G69 | Throttle valve potentiometer |
| G81 | Fuel temperature sender |
| J338 | Throttle valve module |
| J519 | Onboard supply control unit |
| J623 | Engine control unit, central in plenum chamber |
| T2ef | 2-pin connector |
| T2eh | 2-pin connector |
| T3bo | 3-pin connector |
| T5af | 5-pin connector |
| T60 | 60-pin connector |
| 85 | Earth connection 1, in engine compartment wiring harness |
| D174 | Connection 2 (5V) in engine prewiring harness |
Wiring Diagram VW PASSAT CC 2016 - Engine control unit - exhaust gas recirculation valve - exhaust gas recirculation potentiometer - position sender for charge pressure positioner
| G212 | Exhaust gas recirculation potentiometer |
| G247 | Fuel pressure sender |
| G581 | Position sender for charge pressure positioner |
| J519 | Onboard supply control unit |
| J623 | Engine control unit, central in plenum chamber |
| N18 | Exhaust gas recirculation valve |
| T3bd | 3-pin connector |
| T3dk | 3-pin connector |
| T6aw | 6-pin connector |
| T60 | 60-pin connector |
| 85 | Earth connection 1, in engine compartment wiring harness |
| D174 | Connection 2 (5V) in engine prewiring harness |
Wiring Diagram VW PASSAT CC 2016 - Engine control unit - intake manifold flap potentiometer - intake manifold flap motor - Hall sender - exhaust gas pressure sensor 1
| G40 | Hall sender |
| G336 | Intake manifold flap potentiometer |
| G450 | Exhaust gas pressure sensor 1 |
| J519 | Onboard supply control unit |
| J623 | Engine control unit, central in plenum chamber |
| T3q | 3-pin connector |
| T3bl | 3-pin connector, grey |
| T5q | 5-pin connector |
| T14a | 14-pin connector, black, coupling point 1 on left in engine compartment |
| T60 | 60-pin connector |
| T94 | 94-pin connector |
| V157 | Intake manifold flap motor |
| 132 | Earth connection 3, in engine compartment wiring harness |
| D141 | Connection (5V) in engine prewiring harness |
Wiring Diagram VW PASSAT CC 2016 - Engine control unit - clutch position sender - brake light switch
| F | Brake light switch, in engine compartment |
| G476 | Clutch position sender, in engine compartment |
| J519 | Onboard supply control unit |
| J527 | Steering column electronics control unit |
| J540 | Control unit for electromechanical parking brake |
| J623 | Engine control unit |
| T4f | 4-pin connector |
| T5j | 5-pin connector, black |
| T16g | 16-pin connector |
| T20d | 20-pin connector |
| T30 | 30-pin connector |
| T94 | 94-pin connector |
| 398 | Earth connection 33, in main wiring harness |
| 639 | Earth point, left A-pillar |
| B335 | Connection 1 (54), in main wiring harness |
| B441 | Connection (CCS), in main wiring harness |
| * | Only models with CCS |
| ** | Only models with adaptive cruise control |
Wiring Diagram VW PASSAT CC 2016 - Engine control unit - radiator fan control unit - radiator fan - continued coolant circulation pump 2
| J293 | Radiator fan control unit |
| J519 | Onboard supply control unit |
| J623 | Engine control unit |
| T2be | 2-pin connector, on lock carrier |
| T3dl | 3-pin connector |
| T4i | 4-pin connector, black, coupling point, radiator fan on centre lock carrier |
| T14a | 14-pin connector, coupling point 1 on left in engine compartment |
| T60 | 60-pin connector |
| T94 | 94-pin connector |
| V7 | Radiator fan |
| V177 | Radiator fan 2 |
| V178 | Coolant circulation pump 2 |
| 671 | Earth point 1, on front of left longitudinal member |
| 673 | Earth point 3, on front of left longitudinal member |
Wiring Diagram VW PASSAT CC 2016 - Engine control unit - automatic glow period control unit - glow plugs 1-4 - data bus diagnosis interface - self-diagnosis connection
| J179 | Automatic glow period control unit |
| J519 | Onboard supply control unit |
| J533 | Data bus diagnostic interface |
| J623 | Engine control unit |
| Q10 | Glow plug 1 |
| Q11 | Glow plug 2 |
| Q12 | Glow plug 3 |
| Q13 | Glow plug 4 |
| T14a | 14-pin connector, coupling point 1 on left in engine compartment |
| T16d | 16-pin connector, self-diagnosis connection |
| T20e | 20-pin connector |
| T94 | 94-pin connector |
| 367 | Earth connection 2, in main wiring harness |
| 371 | Earth connection 6, in main wiring harness |
| 673 | Earth point 3, on front of left longitudinal member |
| B383 | Connection 1 (powertrain CAN bus, high), in main wiring harness |
| B384 | Connection 2 (powertrain CAN bus, high), in main wiring harness |
| B390 | Connection 1 (powertrain CAN bus, low), in main wiring harness |
| B391 | Connection 2 (powertrain CAN bus, low), in main wiring harness |
| * | Applicable up to October 2008 |
| ** | Applicable from November 2008 |
Wiring Diagram VW PASSAT CC 2016 - Dash panel insert - warning lamps - oil pressure switch - buzzer and gong - oil level and oil temperature sender
| F1 | Oil pressure switch |
| G266 | Oil level and oil temperature sender |
| H3 | Buzzer and gong |
| J285 | Control unit in dash panel insert |
| J519 | Onboard supply control unit |
| K | Dash panel insert |
| K2 | Alternator warning lamp |
| K3 | Oil pressure warning lamp |
| K28 | Coolant temperature and coolant shortage warning lamp |
| K29 | Glow period warning lamp |
| K31 | Cruise control system warning lamp |
| K38 | Oil level warning lamp |
| K105 | Reserve fuel warning lamp |
| K132 | Electronic power control fault lamp |
| T1ac | Single connector |
| T3bu | 3-pin connector |
| T6e | 6-pin connector, black, coupling point for electric steering in engine compartment |
| T14a | 14-pin connector, black, coupling point 1 on left in engine compartment |
| T32c | 32-pin connector |
| * | Applicable up to October 2008 |
| ** | Applicable from November 2008 |
Wiring Diagram VW PASSAT CC 2016 - Dash panel insert - rev counter - speedometer - coolant temperature gauge - fuel system pressurisation pump - fuel gauge - fuel gauge sender - coolant temperature gauge - fuel gauge sender 2
| G | Fuel gauge sender |
| G1 | Fuel gauge |
| G3 | Coolant temperature gauge |
| G5 | Rev. counter |
| G6 | Fuel system pressurisation pump |
| G21 | Speedometer |
| G32 | Coolant shortage indicator sender |
| G169 | Fuel gauge sender 2 |
| J285 | Control unit in dash panel insert |
| J519 | Onboard supply control unit |
| K | Dash panel insert |
| T2 | 2-pin connector |
| T3ai | 3-pin connector |
| T5d | 5-pin connector |
| T32c | 32-pin connector |
| 78 | Earth point, lower part of right B-pillar |
| 295 | Earth connection 10, in interior wiring harness |
| * | Only models with all-wheel drive |
VW PASSAT CC 2016 Overview of control units
| q | 100-pin connector assignment |
| q | 100-pin connector |
| q | Connector assignment |
| q | Connector |
| Climatronic control unit -J255- |
| q | Air conditioning system control unit -J301- |
| q | Connector assignment |
| q | Connector |
| q | Climatronic control unit -J255- |
| q | Connector assignment |
| q | Connector |
| q | Fitting location |
| q | Fitting location of heated rear seats control unit -J786- |
| q | Fitting location of control unit for navigation system -J856- |
| q | Connector assignment |
| q | Connector |
| q | Connector assignment |
| q | Connector |
| q | Connector assignment |
| q | Connector |
| q | Connector assignment |
| q | Connector |
| q | Connector assignment |
| q | Connector |
| q | Connector assignment |
| q | Connector |
| q | Connector assignment |
| q | Connector |
| q | Connector assignment |
| q | Connector |
| q | Connector assignment |
| q | Connector |
| q | Connector assignment from November 2010 |
| q | Fitting location up to October 2010 |
| q | Connector assignment up to October 2010 |
| q | B- Connector for turn signal and cruise control system |
| q | C- 20-pin connector -T20d- |
| q | D- 4-pin connector -T4- |
| q | E- Connector for windscreen wipers and multifunction display |
| q | F- Connector for steering angle sender |
| q | G- Connector for airbag/multifunction steering wheel return ring |
| control unit in dash panel insert -J285- |
| q | 32-pin connector -T32c- |
| q | Fitting location up to October 2010 |
| q | Connector assignment up to October 2010 |
| q | A- 11-pin connector -T11- |
| q | B- 12-pin connector -T12i- |
| q | C- 12-pin connector -T12k- |
| q | D- 11-pin connector -T11a- |
| q | E- 16-pin connector -T16g- |
| q | F- 8-pin connector -T8t- |
| q | G- 12-pin connector -T12m- - |
| q | H- 12-pin connector -T12- |
| q | I- 2-pin connector -T2cp- |
| q | J- 6-pin connector -T6ap- |
| q | K- 10-pin connector -T10s- |
| q | L- 2-pin connector -T2cq- |
| q | Connector assignment |
| q | Connector |
|
| 100-pin connector assignment: |
| B - | 100-pin connector -T100- |
| B - | 100-pin connector -T100a- |
|
| Connector assignment: |
| A - | Convenience system central control unit -J393- |
| Connector: |
| B - | 6-pin connector -T6an- |
| C - | 18-pin connector -T18a- |
| D - | 8-pin connector -T8r- |
| E - | 6-pin connector -T6ao- |
| F - | 18-pin connector -T18b- |
| G - | 18-pin connector -T18c- |
Note:
| 18-pin connector -T18c- Discontinued on models with no entry and start authorisation |
| Air conditioning system control unit -J301- |
| Connector assignment: |
| A - | Air conditioning system control unit -J301- |
VW PASSAT CC 2016 Climatronic control unit J255 | Climatronic control unit -J255- |
| Connector assignment: |
| A - | Climatronic control unit -J255- |
VW PASSAT CC 2016 | Control unit for cornering light and headlight range control -J745- / headlight range control unit -J431- |
|
| 1 - | Control unit for navigation system -J856- |
| A - | 10-pin connector -T10y- |
| B - | 5-pin connector -T5- |
| q | Control unit 1 for information electronics -J794- |
| C - | 5-pin connector -T5- |
| q | Multimedia system operating unit -E380- |
| D - | 2-pin connector |
| q | Radio aerial -R248- |
| E - | 20-pin connector -T20p- |
| F - | 2-pin connector |
| q | Digital radio aerial -R183- |
Note:
|
Note:
|
| Connector assignment: |
| A - | Front passenger door control unit -J387- , driver door control unit -J386- |
VW PASSAT CC 2016 | Mobile telephone operating electronics control unit -J412- / telephone controls control unit -J738- |
|
| Connector assignment: |
| A - | Mobile telephone operating electronics control unit -J412- / telephone controls control unit -J738- |
| Control unit for electromechanical parking brake -J540- |
|
| Connector assignment: |
| A - | Control unit for electromechanical parking brake -J540- |
| Rear right door control unit -J389- |
| Fitting location: |
| On inside of rear door on front passenger side -arrow- |
| Rear left door control unit -J388- |
|
| Connector assignment: |
| A - | Rear right door control unit -J389- , rear left door control unit -J388- |
| Fuel pump control unit -J538- |
|
| Connector assignment: |
| A - | Fuel pump control unit -J538- |
| Seat and steering column adjustment control unit with memory -J136- |
| Fitting location: |
| under front seat driver's side -arrow- |
| Connector assignment: |
| A - | Seat and steering column adjustment control unit with memory -J136- |
| Connector: |
| B - | 26-pin connector -T26b- |
| C - | 6-pin connector -T6bj- |
| D - | 6-pin connector -T6bq- |
| E - | 6-pin connector -T6bi- |
| F - | 6-pin connector -T6bh- |
| G - | 6-pin connector -T6bp- |
| H - | 4-pin connector -T4br- |
| I - | 2-pin connector -T2- , Not assigned |
| J - | 2-pin connector -T2- , Not assigned |
| K - | 6-pin connector -T6- , Not assigned |
| L - | 6-pin connector -T6- , Not assigned |
| M - | 6-pin connector -T6- , Not assigned |
| N - | 6-pin connector -T6- , Not assigned |
| O - | 16-pin connector -T16- , Not assigned |
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